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903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page i
REVISION HISTORY
Revision Details of Revision Author(s) Date
(mm/dd/yyyy)
A Preliminary issue, based on 903-0602-00 Rev. C ACC 11/15/2011
REFERENCE DOCUMENTS
Document Number Document Title/Description
903-0602-00 Rev. C Model 903 Fiber Optic Video/Data Multiplexer User's Guide
903-0622-00 Rev. 2 FMB-X-2.5 Diagnostics Manual
700-0425-00 Rev. 2 FMB-X User's Guide
907-0601-00 Rev. C Model 907 Fiber Optic Video/Data Multiplexer User’s Guide
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page i
i
TABLE OF CONTENTS
1.0Introduction................................................................................................................................. 1-1
2.0System Overview........................................................................................................................ 2-1
2.1Rack Configuration.......................................................................................................................2-2
2.2Electrical Configuration................................................................................................................. 2-4
2.3Optical Configuration....................................................................................................................2-5
3.0Fiber Multiplexers and Backplanes .......................................................................................... 3-1
3.1FMB-X-2.5 Fiber Multiplexer Board..............................................................................................3-1
3.1.1Remote FMB-X-2.5.......................................................................................................... 3-1
3.1.2Console FMB-X-2.5.........................................................................................................3-3
3.1.3Configuration Settings.....................................................................................................3-5
3.2Backplanes -X...............................................................................................................................3-6
3.3Power Supply................................................................................................................................3-9
4.0Video Cards................................................................................................................................. 4-1
4.1VIB-X Video Board .......................................................................................................................4-1
4.1.1Input/Output.....................................................................................................................4-2
4.1.2Configuration Settings.....................................................................................................4-3
5.0Data Cards................................................................................................................................... 5-1
5.1DIB-232 - RS-232 Interface Board...............................................................................................5-1
5.1.1Input/Output.....................................................................................................................5-1
5.1.2Configuration Settings.....................................................................................................5-2
5.2DIB-232-16 - High Density RS-232 Card ..................................................................................... 5-4
5.3DIB-485 - RS-422/485 Data Interface Board................................................................................5-7
5.3.1Input/Output.....................................................................................................................5-7
5.3.2Configuration Settings.....................................................................................................5-9
5.4CIB-10 Control Interface Board..................................................................................................5-12
5.5EIB-10/100 Ethernet Board (Electrical Version)......................................................................... 5-16
5.5.1Input/Output...................................................................................................................5-17
5.5.2Configuration Settings...................................................................................................5-18
5.5.3Flow Control ..................................................................................................................5-21
5.6AIB-4 - Adaptable Interface Board .............................................................................................5-22
5.6.1Plug-In Modules............................................................................................................. 5-25
5.6.2RS-232 Plug-In (AIB-232/TRIGGER)............................................................................ 5-25
5.6.3RS-485/422/TTL Plug-In (AIB-485)...............................................................................5-26
5.6.4Tritech Sonar ARCNET Plug-In (AIB-ARCNET) ...........................................................5-29
5.6.5Hydrophone/Analog Plug-In (AIB-HYDRO)...................................................................5-31
5.6.6MS-900 Analog Sonar Plug-In (AIB-MS900)................................................................. 5-33
5.6.7CANBUS Plug-In (AIB-CANBUS)..................................................................................5-34
5.7907-232E Data Board (8-Channel RS-232) ...............................................................................5-37
5.7.1Input/Output...................................................................................................................5-37
5.7.2Configuration Settings...................................................................................................5-38
5.8907-485E Data Board (8-Channel RS-485/422) ........................................................................5-40
5.8.1Input/Output...................................................................................................................5-40
5.8.2Configuration Settings...................................................................................................5-42
6.0Media Converter Cards.............................................................................................................. 6-1
6.1ECL-02 - Dual ECL Interface Board.............................................................................................6-1
6.2EIB-10/100 Ethernet Interface Board...........................................................................................6-5
6.2.1Input/Output.....................................................................................................................6-6
6.2.2Configuration Settings.....................................................................................................6-6
6.2.3Flow Control ....................................................................................................................6-6
6.2.4Optical Configuration.......................................................................................................6-6
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page ii
i
6.3GBES 4 Port Gigabit Ethernet Switch Board................................................................................ 6-8
6.3.1Input/Output.....................................................................................................................6-8
6.3.2Configuration Settings.....................................................................................................6-9
6.4HD-SDI Video Board ..................................................................................................................6-10
6.4.1Input/Output...................................................................................................................6-10
6.4.2Configuration Settings...................................................................................................6-11
7.0Fiber Optics................................................................................................................................. 7-1
7.1Safety............................................................................................................................................7-1
7.2System Design..............................................................................................................................7-1
7.3Fiber Handling Guidelines............................................................................................................7-3
8.0Installation and Operation......................................................................................................... 8-1
8.1Mounting....................................................................................................................................... 8-1
8.2Cooling..........................................................................................................................................8-2
8.3Diagnostics................................................................................................................................... 8-2
8.4Bench Test....................................................................................................................................8-3
8.5Maintenance.................................................................................................................................8-5
8.6Model 903 Board Handling...........................................................................................................8-6
APPENDICES
Appendix A – Connector Part Numbers and Pin Assignments
Appendix B – Fuses
Appendix C – Guidelines to Upgrade to FMB-X-2.5 Systems
Appendix D – Obsolete Systems
LIST OF FIGURES
Figure 2.0-1: Model 903 Multiplexer, Typical ROV Application…………………………………….…………2-1
Figure 2.1-1: Model 903 Console & Remote Front Panel View – Typical Card Configuration..................2-3
Figure 2.2-1: Model 903 Signal Configuration........................................................................................... 2-4
Figure 2.3-1: Model 903 Fiber Optic Transmission System...................................................................... 2-5
Figure 2.3-2: Model 903 Fiber Optic Transmission System Expanded..................................................... 2-6
Figure 3.1-1: Remote FMB-X-2.5 Front Panel View..................................................................................3-1
Figure 3.1-2: Remote FMB-X-2.5 Plan View............................................................................................. 3-2
Figure 3.1-3: Console FMB-X-2.5 Front Panel..........................................................................................3-3
Figure 3.1-4: Console FMB-X-2.5 Plan View ............................................................................................3-5
Figure 3.2-1: 28 HP Backplane -X (CBP-121-XR/XC) ..............................................................................3-7
Figure 3.2-2: 44 HP Backplane -X (CBP-241-XR/XC) ..............................................................................3-8
Figure 4.1-1: Block Diagram of VIB-X Card ..............................................................................................4-1
Figure 4.1-2: VIB-X Front Panel................................................................................................................4-2
Figure 4.1-3: VIB-X Plan View...................................................................................................................4-4
Figure 5.1-1: DIB-232 Front Panel ............................................................................................................5-1
Figure 5.1-2: RS-232 3-Pin WAGO Connector (733-103).........................................................................5-2
Figure 5.1-3: DIB-232 PCB........................................................................................................................5-3
Figure 5.2-1: DIB-232-16 High Density RS-232 Board ............................................................................. 5-4
Figure 5.2-2: DIB-232-16 Motherboard (Daughtercard Not Shown).........................................................5-5
Figure 5.2-3: DIB-232-16 Block Diagram .................................................................................................. 5-6
Figure 5.2-4: DIB-232-16 Input/Output Schematic (Channels 1 and 2).................................................... 5-6
Figure 5.3-1: DIB-485 Front Panel ............................................................................................................5-7
Figure 5.3-2: WAGO RS-422/485 data connectors...................................................................................5-8
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page i
v
Figure 5.3-3: DIB-485 PCBA...................................................................................................................5-11
Figure 5.4-1: CIB-10 Front Panel ............................................................................................................5-12
Figure 5.4-2: CIB-10 TOR Input and Output ...........................................................................................5-13
Figure 5.4-3: CIB-10 PCBA.....................................................................................................................5-14
Figure 5.4-4: CIB-10 Block Diagram........................................................................................................5-15
Figure 5.4-5: CIB-10 Shield Options........................................................................................................5-15
Figure 5.5-1: EIB-10/100 Front Panel .....................................................................................................5-16
Figure 5.5-2: EIB-10/100 RJ-45 Grounding Options...............................................................................5-18
Figure 5.5-3: EIB-10/100 PCBA ..............................................................................................................5-19
Figure 5.6-1: Adaptable Interface Board (AIB-4) Front Panel................................................................. 5-22
Figure 5.6-2: Adaptable Interface Board (AIB-4) PCB ............................................................................5-23
Figure 5.6-3: Block Diagram of Adaptable Interface Board (AIB-4)........................................................ 5-24
Figure 5.6-4: AIB RS-232/TRIGGER Plug-In Module .............................................................................5-25
Figure 5.6-5: AIB RS-485 Plug-In Module...............................................................................................5-26
Figure 5.6-6: AIB RS-422 Interface Schematic.......................................................................................5-27
Figure 5.6-7: AIB Tritech ARCNET Plug-In Module................................................................................ 5-29
Figure 5.6-8: AIB Hydrophone Plug-In Module ....................................................................................... 5-31
Figure 5.6-9: MS-900 Plug-In Module (Top View)...................................................................................5-33
Figure 5.6-10: AIB-CANBUS Plug-In Module (Top View) ....................................................................... 5-34
Figure 5.6-11: WAGO 4-Pin Header........................................................................................................5-36
Figure 5.7-1: 907-232E Front Panel........................................................................................................5-37
Figure 5.7-2: 907-232 (8-Channel RS-232) card.....................................................................................5-38
Figure 5.7-3: 907-232E Card Side View.................................................................................................. 5-39
Figure 5.8-1: 907-485E Front Panel........................................................................................................5-40
Figure 5.8-2: Wiring recommendation when using the 907-485E in 485 mode (CH1 shown)................5-41
Figure 5.8-3: 907-485 (8-Channel RS-485/422) card..............................................................................5-42
Figure 5.8-4: RS-485 Card Side View..................................................................................................... 5-43
Figure 6.1-1: ECL-02 Front Panel .............................................................................................................6-1
Figure 6.1-2: ECL-02 PCBA......................................................................................................................6-3
Figure 6.2-1: EIB-10/100 Front Panel .......................................................................................................6-5
Figure 6.2-2: EIB-10/100 Optics Configuration .........................................................................................6-7
Figure 6.3-1: GBES Front Panel................................................................................................................ 6-8
Figure 6.3-2: GBES Side View..................................................................................................................6-9
Figure 6.4-1: HD-SDI Front Panel........................................................................................................... 6-10
Figure 6.4-2: 907-HDV (HD-SDI) Media Converter Card........................................................................6-12
Figure 6.4-3: HD-SDI Card Side View.....................................................................................................6-12
Figure 7.2-1: Block Diagram of Model 903 Fiber Optic Transmission System..........................................7-1
Figure 7.3-1: LC connector........................................................................................................................7-3
Figure 7.3-2: ST Connector....................................................................................................................... 7-3
Figure 7.3-3: SFP Transceiver ..................................................................................................................7-4
Figure 8.1-1: Side View of Typical Model 903 Console Card Cage..........................................................8-1
Figure 8.1-2: Side View of Typical Model 903 Remote Card Cage........................................................... 8-2
Figure 8.4-1: Flux Budget Test Setup – Transmit Optical Power Measurement....................................... 8-3
Figure 8.4-2: Flux Budget Test Setup – Link Threshold Measurement..................................................... 8-4
Figure 8.4-3: Flux Budget Test Setup – Received Sensitivity Measurement............................................8-4
LIST OF TABLES
Table 3.1-1: FMB-X-2.5 Front Panel LEDs ...............................................................................................3-3
Table 3.1-2: RS-232 Diagnostic Port Connections.................................................................................... 3-4
Table 3.1-3: SW1 Configuration Settings.................................................................................................. 3-5
Table 3.1-4: SW2 Configuration Settings.................................................................................................. 3-5
Table 3.2-1: Typical Rack Sizes and “-X” Backplanes.............................................................................. 3-6
Table 4.1-1: VIB-X Card Configuration Settings (Switch SW3)................................................................. 4-3
Table 4.1-2: VIB-X Input/Output Video Format Configuration (Switch SW1)............................................4-3
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page
v
Table 5.1-1: Pin Designations for DIB-232 Connectors ............................................................................5-2
Table 5.3-1: DIB-485 Channel Configuration...........................................................................................5-8
Table 5.3-2: WAGO Pin Designations.......................................................................................................5-8
Table 5.3-3: DIB-485 Configuration Settings (Defaults Shaded) ............................................................5-10
Table 5.5-1: RJ-45 Pin Assignments.......................................................................................................5-17
Table 5.5-2: EIB-10/100 Front Panel LEDs.............................................................................................5-17
Table 5.5-3: RJ-45 Individual Port Settings............................................................................................. 5-20
Table 5.5-4: Global Port Settings ............................................................................................................5-20
Table 5.6-1: AIB Plug-in Modules............................................................................................................5-25
Table 5.6-2: AIB-232/TRIGGER Pin Designations..................................................................................5-25
Table 5.6-3: AIB-485 Pin Designations...................................................................................................5-27
Table 5.6-4: Configuration Settings for AIB RS-485 Module (Defaults Shaded) ....................................5-28
Table 5.6-5: Configuration Settings for AIB Tritech Module (Defaults Shaded)...................................... 5-29
Table 5.6-6: AIB-ARCNET Pin Designations ..........................................................................................5-30
Table 5.6-7: Configuration Settings for AIB Hydrophone Module...........................................................5-31
Table 5.6-8: Hydrophone Gain Settings (Defaults Shaded)....................................................................5-31
Table 5.6-9: AIB-HYDRO Pin Designations............................................................................................5-32
Table 5.6-10: AIB-MS900 Pin Designations............................................................................................5-33
Table 5.6-11: AIB-CANBUS On-board LEDs..........................................................................................5-35
Table 5.6-12: CAN Speed Settings .........................................................................................................5-35
Table 5.6-13: AIB-CANBUS Pin Designations........................................................................................5-36
Table 5.7-1: RS232 Data Connector Pin Outs........................................................................................5-38
Table 5.7-2: Input / Output Ratings ......................................................................................................... 5-38
Table 5.8-1: 485/422/TTL Data Connector Pin Outs...............................................................................5-41
Table 5.8-2: Input / Output Ratings ......................................................................................................... 5-41
Table 5.8-3: SW1 - SW8, SW10 RS485/422 Configuration.................................................................... 5-42
Table 6.1-1: ECL-02R/C Configuration Switch Settings............................................................................6-2
Table 6.3-1: GBES Switches Default Settings ..........................................................................................6-9
Table 6.4-1: SW1 Options.......................................................................................................................6-11
Table 6.4-2: SW2 Options.......................................................................................................................6-11
Table 7.2-1: Typical ROV System Flux Budget.........................................................................................7-2
903-
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903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page vi
i
ACRONYMS AND ABBREVIATIONS
AIB Adaptable Interface Board
APD Avalanche Photodiode
CIB Control Interface Board (TOR)
CWDM Coarse Wavelength Division Multiplexer
DIB Data Interface Board
ECL Emitter Coupled Logic
EIA Electronic Industries Association
EIB Ethernet Interface Board
ESD Electrostatic Discharge
FC/APC Ferrule Connector (Threaded optical connector) / Angled Physical Contact
FC/PC Ferrule Connector (Threaded optical connector) / Physical Contact
FMB Fiber (Optic) Multiplexer Board
FORJ Fiber Optic Rotary Joint
FPGA Field Programmable Gate Array
Gbps Gigabits Per Second
I/O Input/output
kbps Kilobits Per Second
LED Light Emitting Diode
Mbps Megabits Per Second
MDI/MDIX Automatic medium-dependent interface crossover
NRZ Non Return to Zero (Data Signaling)
NTSC National Television System Committee (Composite Video Format)
P/N Part Number
PAL Phase Alternation Line (Composite Video Format)
PCBA Printed Circuit Board Assembly (Populated PCB)
PECL Positive Emitter Coupled Logic
PLD Programmable Logic Device
RGB Red, Green, Blue (Component Video)
ROV Remotely Operated Vehicle
SERDES Serializer/Deserializer
SMB Sub-Miniature “B” (Connector)
SMT Surface Mount Technology
ST/PC Straight Tip optical connector / Physical Contact
TDM Time Division Multiplexing
TTL Transistor-Transistor Logic
VOAT Variable Optical Attenuator
WDM Wavelength Division Multiplexer
Y/C Luminance/Chrominance
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 1-1
1.0 Introduction
Focal's Model 903 is a video/data multiplexer and fiber optic transmission system designed for Remotely
Operated Vehicle (ROV) applications. The Model 903 uses Time Division Multiplexing (TDM) and
Wavelength Division Multiplexing (WDM) to provide high multiplexing density in a compact, low-power
package. Typical systems support 8 broadcast quality composite video channels, up to 64 digital
channels, and 2 additional bidirectional optical channels for high-speed sonar, digital video, or 1 Gbps
Ethernet links.
This user’s guide provides complete information on the design, configuration, installation and operation of
the Model 903 multiplexer system based on FMB-X-2.5 cards. This manual and the appropriate
reference documents should be reviewed prior to installation or reconfiguration of the multiplexer.
Some sections of the manual apply to optional cards or features that are not included with the delivered
system but may be added later.
Appendices include the following information:
Appendix A - A list of connectors and pin configurations
Appendix B - A list of all fuses used in the system
Appendix C - Guidelines for upgrading from FMB to FMB-X-2.5 base systems
Appendix D - Obsolete systems included in this manual for reference
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903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 2-2
2.1 Rack Configuration
Various rack widths are available, supporting different numbers of slots for card installation. Typically a
903 rack has 2 slots for video cards, 1 slot for the FMB-X-2.5, 3-4 slots for data cards, and 1 slot for a
Eurocassette PSU. Many remote racks substitute a DC-DC module on the back cover in place of the
Eurocassette PSU to reduce the width of the rack by 8 HP (4 HP = 0.8" or 20.3 mm). The remote rack
usually has a wire pigtail for applying AC or DC power; the console rack generally has a front panel
switch and an IEC-320 jack on the rear cover to support a variety of plug cables. Console modules can be
provided in full 19" racks or as reduced width sub-racks with add-on flanges for installation in 19" racks.
Slots in each rack are referenced by letter, per the installation drawings. Slots A and B are 4 HP wide and
are intended for video cards, slot C is an 8 HP slot for the FMB-X-2.5, slot D and above are typically 4 HP
wide data slots with the exception of the last slot, which is usually 8HP for the power supply module. The
console module usually includes an additional panel for the power switch.
Some racks include one or two slots dedicated for media converter cards. These slots provide only power
at the backplane connectors, since the media converters do not require any backplane data lines. Media
converters may also be installed in data slots, which in this case the backplane data lines are unused.
Optical expansion cards, such as CWDMs may be installed in any video, data or media converter slot.
Refer to installation drawings 903-8XXX-XX for the actual as-built rack configuration.
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 2-3
The following figure shows front panel views of a 903 remote and console module with typical card
configuration.
SLOT(S) SLOT TYPE CARD/MODULE NAME DESCRIPTION
A,B VIDEO VIB-X 4 X VIDEO CARD
C FMB FMB-X-2.5 FIBER MULTIPLEXER BOARD “-X-2.5” VERSION
D DATA EIB-10/100 3 X 10/100 Mbps ETHERNET CARD
E DATA AIB-4 4 X DATA, ADAPTABLE INTERFACE BOARD
F DATA 907-232E 8 X RS-232 907-232E CARD
G PS POWER SUPPLY POWER SUPPLY UNIT
H PS SWITCH POWER SWITCH PANEL ASSY (CONSOLE)
Figure 2.1-1: Model 903 Console & Remote Front Panel View – Typical Card Configuration
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 2-4
2.2 Electrical Configuration
The following figure shows the signal configuration of a Model 903 system. Each video card
"pre-multiplexes" four video channels on 10 video lines to the FMB-X-2.5 resulting in 10-bit digitization for
each video channel. Each data card slot has 5 lines on the backplane to and from the FMB-X-2.5. In total
there are 20 data lines. Some data cards, such as the AIB-4, map a single data input to a single data line
to the FMB-X-2.5. Other data cards, such as the CIB-10 and DIB-232-16, map several data channels to a
single line to the FMB-X-2.5.
Notes:
1. System diagnostics is available via the 10/100 Mbps Ethernet port as Modbus TCP/IP or through an embedded web
server. Diagnostic packets are handled as low priority and must be polled by the external computer. When accessed,
diagnostic packets use up less than 0.1 % of the Ethernet channel capacity.
2. RS-232 port on the FMB-X-2.5 is for system diagnostics only.
3. Up to 64 data channels calculated using 4 x 16 high density RS-232 (DIB-232-16) cards.
4. Refer to “Optical Configuration” section of this manual for details about the optical configuration of the Model 903
system.
Figure 2.2-1: Model 903 Signal Configuration
VIDEO CARDS
VIB-X
VIB-X
FIBER
MULTIPLEXER
BOARD
(FMB-X-2.5)
BACKPLANE-X
MODEL 903
REMOTE MODULE
4 x Video Inputs
(Composite)
4 x Video Inputs
(Composite)
VIB-X
VIB-X
FIBER
MULTIPLEXER
BOARD
(FMB-X-2.5)
BACKPLANE-X
MODEL 903
CONSOLE MODULE
4 x Video Outputs
(Composite)
4 x Video Outputs
(Composite)
OPTICAL CABLE SYSTEM4
VIDEO CARDS
Data
Input/Output
(Up to 64
Channels3)
DATA CARDS
Data Card 1
Data Card 2
Data Card 3
DATA CARDS
Data Card 1
Data Card 2
Data Card 3
Data Card 4 Data Card 4
1 x Ethernet
10/100 Mbps1
1 x RS-2322
10
10
10
10
40 40
5
5
5
5
5
5
5
5
1 x Ethernet
10/100 Mbps1
1 x RS-2322
Data
Input/Output
(Up to 64
Channels3)
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 2-5
2.3 Optical Configuration
Model 903 systems based on FMB-X-2.5 cards are provided in standard optical configurations with
singlemode fiber and dual fiber connection for redundancy. Typical systems use 1310 nm as the uplink
wavelength (remote to console) and 1550 nm as the downlink wavelength (console to remote), which are
combined with a wavelength division multiplexer (WDM) on the FMB-X-2.5. Dual fiber configurations
increase reliability with an integrated splitter at the remote FMB-X-2.5 and an automatic fiber switch at the
console FMB-X-2.5, as shown in the figure below.
Figure 2.3-1: Model 903 Fiber Optic Transmission System
Standard FMB-X-2.5 cards use lasers with loosely controlled wavelengths that can vary significantly from
unit to unit and over temperature. Since 1310 nm and 1550 nm are widely separated on the optical
spectrum, there is no problem with crosstalk or interference even when the exact wavelengths are
variable.
FMB-X-2.5 cards are also available with more carefully controlled wavelengths for use in multi-channel
systems based on CWDM (Coarse Wavelength Division Multiplexing) or DWDM (Dense Wavelength
Division Multiplexing). CWDM systems support 4 to 16 wavelengths; DWDM systems support 16 or more
wavelengths. Both CWDM and DWDM enable the combination of two or more FMBs, plus other media
converter cards, on a single optical fiber, allowing considerable expansion of the Model 903 video and
data channel capacity.
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 2-6
CWDM wavelengths may be used to expand an existing Model 903 system by adding separate optical
links, typically for high-speed sonar, Gigabit Ethernet or HD-SDI Video. Daisy-chaining media converter
cards (cards with on-board optical transceivers using CWDM wavelengths) into the existing
1310/1550 nm optical link allow the upgraded system to continue operating on a single fiber. Media
converter cards such as the ECL-02, EIB-10/100 (optical version) or HD-SDI may be installed in any data
card slot.
The figure below shows an example of an expanded Model 903 fiber optic transmission system using
media converter cards with CWDM wavelengths. In this example, the remote and console media
converter cards are “daisy chained” into an existing 1310/1550 nm system and four wavelengths are
used. The media converter card uses 1471 nm and 1491 nm wavelengths and the FMB-X-2.5 card uses
1310 nm and 1550 nm wavelengths. Note that the 903 system continues operating on a single fiber
(second fiber is optional). Refer to section 6.0 for more information about the media converter cards
available for Model 903 systems.
Figure 2.3-2: Model 903 Fiber Optic Transmission System Expanded
Systems that require more than four wavelengths must use a dedicated CWDM card to combine all
wavelengths. (Also all transceivers must be CWDM wavelengths.) Optical configuration drawings are
provided for systems with more than two wavelengths.
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 3-1
3.0 Fiber Multiplexers and Backplanes
Fiber Multiplexer Boards (FMBs) are used to combine all of the video, Ethernet, and data signals into a
single optical link and then regenerate the original copper signals at the other end of the system.
Backplane cards are used to connect all of the Model 903 cards together within remote or console
modules. A complete Model 903 system includes at least one remote and one console module.
3.1 FMB-X-2.5 Fiber Multiplexer Board
The FMB-X-2.5 cards use FPGA SERDES (Serializer/Deserializer) modules that run at an optical data
rate of 2.5 Gbaud on both uplink and downlink. This high optical data rate allows more capacity for video,
data and Ethernet traffic than older FMBs. FMB-X-2.5 cards are designed to work only with singlemode
fibers to support the high data rates. System diagnostics can be accessed via the RS-232 port or RJ-45
Ethernet port of both remote and console FMB-X-2.5 cards. More information about diagnostics is
provided in Appendix D and the diagnostics manual (P/N 903-0622-00).
Note: The FMB-X-2.5 FPGA-based SERDES optical link is not backwards compatible with FMB-VTX,
FMB-VRX or GLINK FMB-X cards. More details about upgrading to FMB-X-2.5 are found in Appendix C.
Details on the GLINK-FMB-X cards are given in Appendix D.
3.1.1 Remote FMB-X-2.5
Card P/N 903-5082-00
The front panel view of the remote FMB-X-2.5 is shown in the figure below. Redundant ST fiber
connectors are accessible on the right angled turret. An internal splitter provides roughly equal power
output levels on both ST connectors. Output power should be greater than -6 dBm at 1310 nm (uplink).
Receive sensitivity at the turret should be better than -26 dBm at 1550 nm (downlink). Front panel LEDs
provide critical status indicators described in detail in section 3.1.2.
Figure 3.1-1: Remote FMB-X-2.5 Front Panel View
STAT
FO-RX
LINK
VIDEO SYNC
LEDS (SLOT A/B)
STATUS LEDS
(LINK, FO-RX, STAT)
DIAGNOSTICS SERIAL
PORT (RS-232)
ETHERNET PORT
OPTICAL LINK RATE
GLINK FMB-X = 10M
FMB-X-2.5 = 100M
REDUNDANT
FIBER PORTS
(SPLITTER)
DUAL ST/PC
A
B
1234
V
IDEO
MODEL 903
V
IDEO/DAT
A
MULTIPLEXER
100M
ETHERNET RATE TEXT
BLANK OR 10M = GLINK FMB-X
100M = FMB-X-2.5
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 3-2
LEDs on the front panel match those described in the console FMB-X-2.5 section and allow direct
monitoring of the optical link status (LINK), optical receive power (FO-RX), and the status (STAT) of the
on-board diagnostics. See the console FMB-X-2.5 section for more details on LEDs.
The Ethernet port supports both 10 Mbps and 100 Mbps devices on the copper link. The optical Ethernet
link through the multiplexer is 100 Mbps.
Diagnostics for the FMB-X-2.5 can be accessed at the RS-232 port on both remote and console cards,
and also via the RJ-45 Ethernet port at both remote and console ends. See console FMB-X-2.5 for more
information about diagnostics.
A plan view of the remote FMB-X-2.5 is shown in the figure below. The 1310/1550 nm singlemode WDM
coupler and 1 x 2 splitter are not visible: both are mounted on the underside of the optical daughtercard
below the two dual LC bushings shown.
Figure 3.1-2: Remote FMB-X-2.5 Plan View
No customer switch settings are required for configuration of the FMB-X-2.5 remote card. All video
channels are handled at 10-bit digitization and all data slots are sampled as “high speed” slots, similar to
slot “D” on older 903 systems.
RX 1550 nm
TX 1310 nm
SFP
TRANSCEIVER
DUAL ST
BUSHING
TURRET
OPTICAL
DAUGHTERCARD
SFP CAGE
DIN 41612
96-PIN
BACKPLANE
CONNECTOR
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 3-3
3.1.2 Console FMB-X-2.5
Card P/N 903-5083-00
The front panel view of the console FMB-X-2.5 is shown in the figure below. Redundant ST fiber
connectors are accessible as straight bushings on the front panel marked "F1" and "F2". An internal fiber
switch chooses one of the fibers for the optical link, either automatically or manually via the front panel
toggle switch. Output power should be greater than -2 dBm at 1550 nm (downlink). Receive sensitivity at
the front panel should be better than -28 dBm at 1310 nm (uplink).
Figure 3.1-3: Console FMB-X-2.5 Front Panel
LEDs on the front panel of the remote or console FMB-X-2.5 provide status of video channels, optical link,
and card health per table below.
Table 3.1-1: FMB-X-2.5 Front Panel LEDs
LED Description
VIDEO VIDEO LEDs are green when video sync is detected on each video channel from slot A
and slot B in the rack.
LINK LINK LED is green when a valid optical link is being received and red if no link is present.
FO-RX
FO-RX LED is green when the received optical power is well above threshold. This LED
will change to orange (warning), indicating low margin, or red (alarm), indicating low optical
power. Problems with optical power should be investigated using the diagnostic software
and/or fiber optic power meters.
VIDEO SYNC
LEDS (SLOT A/B)
STATUS LEDS
(LINK,FO-RX,STAT)
DIAGNOSTICS SERIAL
PORT (RS-232)
REDUNDANT
FIBER PORT
S
(SWITCH)
DUAL ST/PC
FIBER SWITCH
CONTROL/STATUS
A
B
1234
VIDEO
MODEL 903
VIDEO/DATA
MULTIPLEXER
100M
LINK
FO-RX
STAT
F1
F1
AUTO
F2
F2
ETHERNETPORT
OPTICALLINKRATE
GLINK FMB-X = 10M
FMB-X-2.5 = 100M
ETHERNET RATE TEXT
BLANKOR 10M = GLINKFMB-X
100M = FMB-X-2.5
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 3-4
LED Description
STAT
STAT (Status) LED is green when on-board diagnostic readings are within expected
values. The STAT LED is orange (warning) if any of the on-board diagnostic readings are
close to an alarm state. The STAT LED is red (alarm) if any of the on-board diagnostic
readings are outside of the specified range, in which case the diagnostic software should
be used to troubleshoot the problem. Monitored signals included temperature and all major
voltage rails (+12V, -12V, +5V, and +3.3V). An alarm state exists if any voltage is worse
than ±20% of nominal value or temperature is > +80C. A warning state exists if any
voltage is worse than ±10% of nominal value or temperature is > +75C, but the reading is
not in an alarm state.
F1/F2 F1/F2 LEDs indicate which fiber is active, per the marked ST bushings. The active fiber is
shown by the green LED. (Toggle up forces the fiber switch to F1 and toggle down forces
it to F2.) The LED(s) will turn red if no link is present.
AUTO AUTO LED is green when the fiber switch is in automatic mode, as determined by the
toggle switch position. When in automatic mode and there is no link, this LED will be red.
Diagnostics are available at the 1/8" (3.5 mm) stereo jack in RS-232 format compatible with the standard
Model 903 Diagnostics GUI software, e.g. 903-0406-00. Wiring for the RS-232 connections is shown in
the table below.
Table 3.1-2: RS-232 Diagnostic Port Connections
Stereo Jack Pin DB-9F pin Function
1 (Tip) 3 TXD
2 (Middle Ring) 2 RXD
3 (Base Ring) 5 SIG GND
The function described in the table above is relative to the PC, i.e. TXD is data transmitted from the PC to
the FMB-X-2.5 and RXD is data received into the PC from the FMB-X-2.5. This RS-232 interface also has
command based diagnostics, which provides advanced diagnostics information. See 903-0622-00
diagnostic manual for more information.
Diagnostics are also available via the RJ-45 port as Modbus TCP/IP or through an embedded web server.
Since this port is also used for general Ethernet traffic between remote and console, diagnostics packets
are handled as low priority and must be polled by the external computer. When accessed, diagnostic data
packets typically use up less than 0.1% of the Ethernet channel capacity.
The fiber switch may be placed in automatic mode or forced to fiber F1 or F2 using the front panel toggle
switch. In automatic mode, with the toggle switch in the center position, the FMB-X-2.5 tests both fibers
on initial power up and chooses the one with the highest optical power. This will stay locked until the
switch is forced to the other fiber, via the toggle switch, or link is lost on the active fiber. The LED by F1 is
green when that fiber is active – the same applies to F2. The LED marked "AUTO" is green when in
automatic switching mode.
When the optical link is lost, in auto mode, the switch toggles automatically roughly once per second
between F1 and F2 for up to 10 times. If no link is found, the switch returns to the original fiber it was on
before the link failure and waits for a link to be re-established. In this state, the “AUTO”, “F1” and “F2”
LEDs are red and a continuous audible alarm is produced until a fiber link is restored. Power cycling or
manually forcing the toggle switch to a fiber (F1 or F2 position) and then back to AUTO will reset the
automatic fiber switch.
The FMB-X-2.5 also sounds a continuous audible alarm when an optical link fails in AUTO mode, even if
the other fiber has a valid link. This informs the operator of a fiber fault that otherwise might not be
noticed, as the switchover from one fiber to the other is often seamless. The alarm can be turned off by
903-0623-00 Rev. A Model 903 User's Guide, FMB-X-2.5 Version
Focal Technologies Corp. Page 3-5
briefly forcing the toggle switch to the active fiber in manual mode and then back to the automatic setting.
The FMB-X-2.5 alarm can also be disabled via software commands.
A plan view of the console FMB-X-2.5 is shown below. The 1310/1550 nm singlemode WDM coupler is
not visible and is mounted on the underside of the optical daughtercard below the dual LC bushings
shown.
Figure 3.1-4: Console FMB-X-2.5 Plan View
3.1.3 Configuration Settings
Switch configuration settings for the remote and console FMB-X-2.5 cards are given in Table 3.1-3 and
Table 3.1-4. Note that both DIP switches (SW1 and SW2) are typically configured at the factory and
therefore the settings should never be changed from their original positions.
Table 3.1-3: SW1 Configuration Settings
Description SW1:1 SW1:2 SW1:3 SW1:4
Remote FMB-X-2.5 ON ON ON ON
Console FMB-X-2.5 OFF ON ON ON
Table 3.1-4: SW2 Configuration Settings
Description SW2:1 SW2:2 SW2:3 SW2:4
High Density Backplanes OFF ON OFF OFF
Standard Backplanes OFF OFF OFF OFF
RX 1310 nm
TX 1550 nm
FIBER
SWITCH
SFP
TRANSCEIVER
FIBER F1
ST BUSHING
FIBER F2
ST BUSHING
OPTICAL
DAUGHTERCARD
SFP CAGE
DIN 41612
96-PIN
BACKPLANE
CONNECTOR
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