B&B Electronics iMcV-DS3-LineTerm User manual

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iMcV- DS3/ E3/ STS-
LineTerm
Operation Manual
ii
FCC Radio Frequency Interference Statement
This equipment has been tested and found to comply with the limits for a Class B computing device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which the user will be required to correct the interference at his own expense.
Any changes or modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment.
The use of non-shielded I/O cables may not guarantee compliance with FCC RFI limits. This digital apparatus does not exceed the Class B
limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of the Canadian Department of
Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de classe B
prescrites dans le Règlement sur le brouillage radioélectrique publié par le ministère des Communications du Canada.
Limited Lifetime Warranty
Effective for products of B&B Electronics shipped on or after May 1, 2013, B&B Electronics warrants that each such
product shall be free from defects in material and workmanship for its lifetime. This limited lifetime warranty is applicable
solely to the original user and is not transferable.
This warranty is expressly conditioned upon proper storage, installation, connection, operation and maintenance of
products in accordance with their written specifications.
Pursuant to the warranty, within the warranty period, B&B Electronics, at its option will:
1. Replace the product with a functional equivalent;
2. Repair the product; or
3. Provide a partial refund of purchase price based on a depreciated value.
Products of other manufacturers sold by B&B Electronics are not subject to any warranty or indemnity offered by B&B
Electronics, but may be subject to the warranties of the other manufacturers.
Notwithstanding the foregoing, under no circumstances shall B&B Electronics have any warranty obligations or any other
liability for: (i) any defects resulting from wear and tear, accident, improper use by the buyer or use by any third party
except in accordance with the written instructions or advice of the B&B Electronics or the manufacturer of the products,
including without limitation surge and overvoltage conditions that exceed specified ratings, (ii) any products which have
been adjusted, modified or repaired by any party other than B&B Electronics or (iii) any descriptions, illustrations, figures
as to performance, drawings and particulars of weights and dimensions contained in the B&B Electronics’ catalogs, price
lists, marketing materials or elsewhere since they are merely intended to represent a general idea of the products and do
not form part of this price quote and do not constitute a warranty of any kind, whether express or implied, as to any of the
B&B Electronics’ products.
THE REPAIR OR REPLACEMENT OF THE DEFECTIVE ITEMS IN ACCORDANCE WITH THE EXPRESS WARRANTY SET
FORTH ABOVE IS B&B ELECTRONIC’ SOLE OBLIGATION UNDER THIS WARRANTY. THE WARRANTY CONTAINED
IN THIS SECTION SHALL EXTEND TO THE ORIGINAL USER ONLY, IS IN LIEU OF ANY AND ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, AND ALL SUCH WARRANTIES AND INDEMNITIES ARE EXPRESSLY DISCLAIMED,
INCLUDING WITHOUT LIMITATION (I) THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND
OF MERCHANTABILITY AND (II) ANY WARRANTY THAT THE PRODUCTS ARE DO NOT INFRINGE OR VIOLATE THE
INTELLECTUAL PROPERTY RIGHTS OF ANY THIRD PARTY. IN NO EVENT SHALL B&B ELECTRONICS BE LIABLE FOR
LOSS OF BUSINESS, LOSS OF USE OR OF DATA INTERRUPTION OF BUSINESS, LOST PROFITS OR GOODWILL OR
OTHER SPECIAL, INCIDENTAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES. B&B ELECTRONIC SHALL
DISREGARD AND NOT BE BOUND BY ANY REPRESENTATIONS, WARRANTIES OR INDEMNITIES MADE BY ANY
OTHER PERSON, INCLUDING WITHOUT LIMITATION EMPLOYEES, DISTRIBUTORS, RESELLERS OR DEALERS OF
B&B ELECTRONIC WHICH ARE INCONSISTENT WITH THE WARRANTY, SET FORTH ABOVE.

iii
Table of Contents
FCC Radio Frequency Interference Statement ....................................................ii
Limited Lifetime Warranty..................................................................................ii
About the iMcV-DS3/E3/STS-LineTerm...............................................................1
Installation .........................................................................................................1
Configuration .....................................................................................................2
Managed Modules .............................................................................................2
DIP Switch Settings ............................................................................................4
LED Operation...................................................................................................5
Troubleshooting ...............................................................................................11
Specifications ...................................................................................................12
B&B Electronics Technical Support...................................................................13
Fiber Optic Cleaning Guidelines.......................................................................14
Electrostatic Discharge Precautions...................................................................15
Safety Certifications..........................................................................................16
1
About the iMcV-DS3/E3/STS-LineTerm
iMcV-DS3/E3/STS-LineTerm is an SNMP manageable module that converts standard
thin coax signals ( DS3, E3/STS, STS ) to a single-mode or multi-mode fiber signal. It
performs the standard “LineTermination” (GR-820-CORE) function of these TDM-
based line signals. This function transmits an Alarm Indication Signal (AIS) on the line
whenever a received signal is lost. Line faults can easily be isolated to one line
section and do not propagate over multiple-line sections as they do with normal line
repeaters.
Each module includes one pair of BNC connectors and one pair of ST or SC fiber
optic connectors. This module can be installed in any iMediaChassis or MediaChassis
series, but can only be managed through a SNMP manageable iMediaChassis. DS3
Line Term modules must be configured as Host and Remote. To configure a module
as a Remote, set DIP Switch #10 to ON.
In addition, it is available with single-strand fiber: iMcV-DS3/E3/STS-LineTerm
BNC/SSFX modules allow two wavelengths (1310 nm and 1550 nm) to share one
fiber strand, essentially doubling the capacity of installed fiber. The single-strand
versions as HOST and REMOTE must have opposite transmit and receive wavelengths
iMcV-DS3/E3/STS-LineTerm modules must be deployed in pairs (one at each end of a
fiber line). The data transmitted on the fiber ports can only be received and
interpreted by another iMcV-DS3/E3/STS-LineTerm unit.
Installation
iMcV-DS3/E3/STS-LineTerm modules can be installed in any iMediaChassis or
MediaChassis series, but can be managed only through the iMediaChassis. Each
module requires one slot in the chassis. To install a module, remove the blank
brackets covering the slots where the module is to be installed by removing the
screws on the outside edges of the bracket. Slide the module into the chassis card
guides, until the module is securely seated in the connector. Secure the module to
the chassis by tightening the captive screw. Save any blanks removed during
installation for future use.
NOTE
It is not recommended that the iMcV-DS3/E3/STS-LineTerm module be installed in an IE-
MediaChassis/1-DC chassis (850-33100). The power source in this chassis is not isolated and
cannot support positive referenced ground systems typically used in Telco environments. The
IE-MediaChassis/2-DC and the iMediaChassis/6-DC are suitable alternatives.

2
Configuration
Proper configuration of the iMcV-DS3/E3/STS-LineTerm is required for maximum
performance and reliability. The following sections describe the prerequisites and the
configurations available for both managed and unmanaged modules.
Requirements
The iMcV-DS3/E3/STS-LineTerm conforms to many DS3/E3/STS-based environments.
Ensure all of the relevant information about the expected installation environment is
available before configuring the module. This information includes
 Distance of the coax run (450 feet Max)
 Distance of the fiber run (Must match fiber transceiver selected)
 Troubleshooting requirements
Managed Modules
The iMcV-DS3/E3/STS-LineTerm modules can be remotely managed when installed
in an iMediaChassis with an SNMP management module.
NOTE
Before installing the modules, they must be configured for Host/Remote via the DIP
Switches. The Master/Slave condition requires this configuration:
S1-10: ON Remote Unit Enabled (only at the REMOTE end) (Remote)
S1-10: OFF Remote Unit Disabled (only at the LOCAL end) (Host)
After the module is installed, modify the SNMP enabled features by using the iView
2
SNMP management software. In a managed chassis, the software settings take
priority over DIP Switch settings. Ensure the software settings match the desired
configuration requirements for the installation.
iView² Management Software
iView² is the B&B Electronics management software designed specifically for the B&B
Electronics “iMcV” family of modules. It features a
GUI and gives network managers
the ability to monitor and control the manageable B&B Electronics products.
iView² is available in several versions, including WebServer version 3.0, and can also
function as a snap-in module for HP OpenView Network Node Manager and other
third party SNMP Management software.
iView
2
supports the following platforms:
 Windows 2000
 Windows XP
3
 Windows Vista
 Windows 7
In addition, there are Java versions of iView² for any Java-capable operating systems
such as Linux.
Please see the
SNMP Management Module installation guide for software
configuration options.
Unmanaged Modules
Before installing the module in an unmanaged chassis, manually configure all of the
desired DIP Switch selectable features.
DIP Switches
The iMcV-DS3/E3/STS-LineTerm DIP Switches are located at S1 and S2 on the PCB.
The S2 DIP Switches are factory configured and must not be changed. The S1 DIP
Switches provide control over the available iMcV-DS3/E3/STS-LineTerm features.
The location of the S1 DIP Switches is displayed in the following diagram:

4
DIP Switch Settings
FUNCTION SWITCH SETTINGS RESULT [(D) = Default]
Loopback (iView2Configurable)
S1-1: OFF Loopback Disabled (D)
S1-1: ON Loopback Enabled
Loopback Type (iView2Configurable)
S1-2: OFF Coax (D)
S1-2: ON Fiber
Jitter Attenuation (iView2Configurable)
S1-3: OFF Jitter Attenuator on Receive Side
S1-3: ON Jitter Attenuator on Transmit Side (D)
FiberAlert (iView2Configurable)
S1-4: OFF FiberAlert Disabled (D)
S1-4: ON FiberAlert Enabled
Line Build-Out (iView2Configurable)
S1-5: OFF 0 to 255 ft.
S1-5: ON > 255 ft. (D)
Transmit Data Source (iView2Configurable)
S1-6: ON 7: ON Standard Data (D)
S1-6: OFF 7: ON Unframed All Ones
S1-6: ON 7: OFF Alternating Ones & Zeros
S1-6: OFF 7: OFF Pseudorandom Bit Sequence
DS3/E3/STS Selection
S1-8: ON 9: OFF 45 Mbps (DS3)
S1-8: OFF 9: ON 34 Mbps (E3)
S1-8: ON 9: ON 52 Mbps (STS)
Remote Unit
S1-10: OFF Remote Unit Disabled (D)
S1-10: ON Remote Unit Enabled
5
LED Operation
The iMcV-DS3/E3/STS-LineTerm module features several diagnostic LEDs per port.
The LED functions are:
ER
LOS
PRBS
LPBK
ER
LOS
RM
RAI
LEDs Next to Coax (BNC) Port
Flashes yellow whenever a line code violation is
received.
Glows red when the BNC is receiving no signal and is in
an LOS ALARM state, resulting in sending an RAI signal
to the fiber port. If Fault Loopback is set to ON, then
AIS will also be sent to the Coax line as well.
Glows green when the BNC port receives a valid
Pseudorandom Bit Sequence. Off when the port is not
receiving a Pseudorandom Bit Sequence.
Glows yellow when the module is in either coax or fiber
loopback mode.
LEDs Next to Fiber Optic Port
Glows yellow when a fiber symbol error has been
received.
Glows red when a link is not established and is in a LOS
ALARM state and will send an AIS signal to the BNC
Line. If Fault Loopback is enabled, then an RAI Signal is
also sent to the fiber line.
Glows green on the Remote Unit when set to DSW S1-
10. Glows green on the Local unit when it has
discovered a Remote management with Remote Unit
enabled.
Glows
yellow when a Remote Alarm Indication is
received on the fiber port. When the fiber port receives
an RAI signal, this will force AIS to transmit on the COAX
Line.
Features
The iMcV-DS3/E3/STS-LineTerm module includes several features that allow it to be
configured for DS3, E3/STS, or STS-based environments.

6
Loopback (DIP Switch S1, Position 1)
This switch enables or disables the loopback feature. When this feature is enabled,
the data line (Coax or Fiber) set by the “Loopback Type” DIP Switch is looped back.
By default this feature is
DISABLED .
This feature can be controlled by SNMP management software (iView
2
) when the
iMcV-DS3/E3/STS-LineTerm module, configured as a HOST, is installed in a managed
chassis.
Loopback Type (DIP Switch S1, Position 2)
This switch identifies which data line is looped back when the Loopback DIP Switch
is enabled. The data line loopback selection can specify either a Fiber Loopback or a
Coax Loopback.
By default this feature is
COAX .
This feature can be controlled by SNMP management software (iView
2
) when the
HOST iMcV-DS3/E3/STS-LineTerm module is installed in a managed chassis.
Fault Loopback (DIP Switch S1, Position 4)
This switch enables or disables the Fault Loopback feature. A normal fault Loss Of
Signal (LOS) will cause an Alarm Indication Signal (AIS) to be sent on to the next line
segment. This feature provides for a fault condition to be sent back towards the
direction of the detected fault. In this way, both upstream and downstream craft
personnel are alerted to a single fault.
The Fault Loopback feature uses the iMcV-DS3/E3/STS-LineTerm module LEDs to
indicate that a loss of one strand of fiber has occurred. When a strand becomes
unavailable, the module at the receiver-end detects the LOS of the fiber link and
lights the LOS LED. The module then responds by sending a Remote Alarm
Indication (RAI) signal back to the Fiber line turning ON the RAI LED at the far end of
the line and sending AIS to the COAX Port. The RAI LED is now ON at the source of
the Fiber fault. By using the Fault Loopback Function, a local site administrator can
quickly determine where a fiber fault is located from either end of the fiber line.
The AIS is transmitted as an M13 framed all-ones signal for DS3. For E3/STS and STS,
the AIS signal is an unframed all-ones pattern.
By default this feature is
ENABLED .
This feature can be controlled by SNMP management software (iView
2
) when the
HOST iMcV-DS3/E3/STS-LineTerm module is installed in a managed chassis.
7
Transmit LIU Waveshape (Line Build-Out) (DIP Switch S1, Position 5)
This switch selects the optimal transmit waveshape for the line build-out distance on
the coax line. The transmit waveshape can be set for a distance of either 0 to 255
feet or over 255 feet. This feature corrects problems related to cabling (i.e., cross-
talk, electromagnetic interference, etc). Improperly setting this switch will cause
signal degradation.
By default this feature is set to
0 to 255 feet (450 ft maximum).
Transmit Coax Data Source (DIP Switch S1, Positions 6 & 7)
These switches select the transmit mode used by the iMcV-DS3/E3/STS-LineTerm
module. The transmit modes that can be selected include the following:
 Standard data
 Unframed All Ones (diagnostic)
 Alternating Ones and Zeros (diagnostic)
 Pseudorandom Bit Sequence (diagnostic 2
15
-1 PRBS Pattern)
These standard Telco transmission pattern modes are provided to help diagnose
transmission errors in the line.
By default this feature is set to
STANDARD DATA .
This feature can be controlled by SNMP-management software (iView
2
) when the
HOST iMcV-DS3/E3/STS-LineTerm module is installed in a managed chassis.
DS3, E3/STS and STS Selection (DIP Switch S1, Position 8)
This switch selects the data rate to use on the coax line. The data rate selections
available include the following:
 DS3 (44.736 Mbps +/- 20 ppm)
 E3/STS (34.368 Mbps +/- 20 ppm)
 STS (51.840 Mbps +/- 20 ppm)
By default this feature is set to
DS3.
This feature can be selected only by setting the DIP Switches manually.
Remote Management (DIP Switch S1, Position 10)
This switch enables or disables the Remote Management mode. Enabling Remote
Management on the Remote module allows all SNMP configurable features for the
Remote modules to be configured from the Host module. By default this feature is

8
Disabled , and the module acts as a HOST device in this default setting. This feature
can be selected only by setting the DIP Switches manually.
Loopback Testing
The iMcV-DS3/E3/STS-LineTerm includes two loopback test modes: Coax Loopback
and Fiber Loopback.
The following illustrations show the path that a signal takes in each of the loopback
test modes.
Each loopback performs the following:
 Copies the incoming signal back out to the origin while continuing to
transmit this signal downstream.
 Blocks downstream data from arriving on the looped data line.
Loopback testing is useful for troubleshooting problems with network connections
should they occur. Looping received data back onto the transmit path helps
determine whether a connection is still valid. Remote loopback tests isolate problems
on the coax run between an iMcV-DS3/E3/STS-LineTerm module and the connected
device, while local loopback tests can isolate problems on the fiber connected to the
module.
9
The following illustrations show a typical progression of loopback tests (i.e., starting by
checking the coax segment at the local side, then the fiber segment at the remote
side, etc).
NOTE
Physical fiber loopback capability is only available when performing the loopback at the Host.
The Remote unit will not loop the customer data back unless the Remote management DIP
Switch #10 is set to OFF.

10
Pseudorandom Bit Sequence (PRBS) Testing
To test using the internal Pseudorandom Bit Sequence source, ensure that the Central
Office and the Customer Premises equipment are configured for loopback. The
iMcV-DS3/E3/STS-LineTerm modules should be set to normal default mode. On the
HOST iMcV-DS3/E3/STS-LineTerm module, set the Transmit Coax Data Source to
“Transmit Pseudorandom Sequence" (S1-6, S1-7=OFF). Verify the PRBS LED comes
ON at the HOST iMcV-DS3/E3/STS-LineTerm module to validate the coax wire
connections to the Central Office. Verify the PRBS LED comes ON at the REMOTE
iMcV-DS3 module to validate the coax wire connections at the Customer Premises
equipment and the fiber line going to the REMOTE iMcV-DS3/E3/STS-LineTerm
module. The fiber line returning from the remote iMcV-DS3/E3/STS-LineTerm
module is validated by verifying the RM LED is ON at the HOST iMcV-DS3/E3/STS-
LineTerm module. At this point all connections for the channel have been verified
.
11
Troubleshooting
General Troubleshooting
• The Coax Port can easily be tested using the internal PRBS signal generator and
detector and a physical wire loop on the coax interface.
•
The Fiber Port is internally tested at all times by a working pair of units. With one
unit configured for Local Management (Switch 10 set OFF) and the other for
Remote Management (Switch 10 set ON), the fiber line is verified if the “RM” LED
is ON at both ends of the fiber line. Under normal operation only the “RM” LED
is ON at both HOST and REMOTE.
•
To test a media converter by itself, first make sure you have an appropriate fiber
patch cable, then follow these steps to test:
1.
Connect the media converter to the BNC device with a coax cable.
2.
Loop a single strand of fiber from the transmit port to the receive port of your
media converter.
3.
Verify that you have a valid connection for both the BNC and fiber ports on
your media converter. (No “ER” or “LOS” LED ON)
•
If there is trouble with link connectivity, verify your cable connection and DIP
Switch setting are correct.
•
Use the following LED indications to identify the fault location:
*DIP Switch 4 must be set to ON for Fault Loopback to operate as illustrated above.

12
Specifications
Standards Compliance (DS3, E3/STS, STS):
ANSI T1.102-1993
ANSI T1.107.1995
GR-820-CORE
DS3, E3/STS, STS Interface:
BNC coax 75 +/- 5% ohms
DS3 (44.736 Mbps +/- 20 ppm)
E3/STS (34.368 Mbps +/- 20 ppm)
STS (51.840 Mbps +/- 20 ppm)
Power Consumption (Typical):
0.550 Amps @ 5 V
Operating Temperature:
+32°F to +122°F (0°C to +50°C)
Storage Temperature:
-4°F to +158°F (-20°C to +70°C)
Humidity:
5% to 95% (non-condensing); 0 to 10,000 ft. altitude
Dimensions:
4.19” x .78” x 2.75”
(106.4 mm x 19.81 mm x 69.85 mm)
13
B&B Electronics Technical Support
Tel: [phone] (in the U.S. and Canada)
Monday-Friday, 7:00am-7”00pm CST
[phone] (Europe)
Monday through Friday 8:00am - 5:00pm GMT
Fax: [phone] U.S. and Canada
[phone]S5 Europe
E-Mail: [email protected] U.S. and Canada
[email protected] Europe
Web: www.bb-elec.com

14
Fiber Optic Cleaning Guidelines
Fiber Optic transmitters and receivers are extremely susceptible to contamination by
particles of dirt or dust, which can obstruct the optic path and cause performance
degradation. Good system performance requires clean optics and connector ferrules.
1.
Use fiber patch cords (or connectors, if you terminate your own fiber) only from
a reputable supplier; low-quality components can cause many hard-to-diagnose
problems in an installation.
2.
Dust caps are installed at B&B Electronics to ensure factory-clean optical devices.
These protective caps should not be removed until the moment of connecting
the fiber cable to the device. Should it be necessary to disconnect the fiber
device, reinstall the protective dust caps.
3.
Store spare caps in a dust-free environment such as a sealed plastic bag or box so
that when reinstalled they do not introduce any contamination to the optics.
4.
If you suspect that the optics have been contaminated, alternate between
blasting with clean, dry, compressed air and flushing with methanol to remove
particles of dirt.
15
Electrostatic Discharge Precautions
Electrostatic discharge (ESD) can cause damage to any product, add-in modules or
stand alone units, containing electronic components. Always observe the following
precautions when installing or handling these kinds of products
1.
Do not remove unit from its protective packaging until ready to install.
2.
Wear an ESD wrist grounding strap before handling any module or component.
If the wrist strap is not available, maintain grounded contact with the system unit
throughout any procedure requiring ESD protection.
3.
Hold the units by the edges; do not touch the electronic components or gold
connectors.
4.
After removal, always place the boards on a grounded, static-free surface, ESD
pad or in a proper ESD bag. Do not slide the modules or stand alone units over
any surface.
W
ARNING! Integrated circuits and fiber optic components are
extremely susceptible to electrostatic discharge damage. Do not
handle these components directly unless you are a qualified service
technician and use tools and techniques that conform to accepted
industry practices.

16
Safety Certifications
UL/CUL: Listed to Safety of Information Technology Equipment, including
Electrical Business Equipment.
European Directive 2002/96/EC (WEEE) requires that any equipment that bears this
symbol on product or packaging must not be disposed of with unsorted municipal
waste. This symbol indicates that the equipment should be disposed of separately
from regular household waste. It is the consumer’s responsibility to dispose of this
and all equipment so marked through designated collection facilities appointed by
government or local authorities. Following these steps through proper disposal and
recycling will help prevent potential negative consequences to the environment and
human health. For more detailed information about proper disposal, please contact
local authorities, waste disposal services, or the point of purchase for this equipment.
Class 1 Laser product, Luokan 1 Laserlaite,
Laser Klasse 1
,
A
pp
areil A’Laser de Classe 1
I n t e rn at ion al H ea dq ua rt e rs
B&B Elect ronics
707 Dayton Road
Ot tawa, I L 61350 USA
Ph on e ( 8 15 ) 433-5100 — Ge ner a l Fa x ( 815) 433- 5105
Em ail: su pp or t @bb - e le c.co m
Website: w w w .bb- e lec.com
Eu rope a n H ea dq ua rt e rs
B&B Elect ronics
West link Com m ercial Par k
Oranm or e, Co. Galw ay , I r eland
Ph on e + 353 91- 792444 — Fa x + 353 91- 79244S5
Em ail: t e ch Su p po rt @b b- e le c. co m
Website: w w w .bb- e lec.com
© 2013 B&B Electronics. All rights reserved.
The information in this document is subject to change without notice. B&B Electronics assumes no responsibility for any
errors that may appear in this document. iMcV-DS3/E3/STS-LineTerm is a trademark of B&B Electronics. Other brands or
product names may be trademarks and are the property of their respective companies.
Document Number 50-80400-00 A3 August 2013