Ocean Matrix OMX-SW8X8NT User manual

OMX-SW8x8NT

Contents
i
Contents
1 Introduction 1
2 Getting Started 1
3 Overview 1
4 Your OMX-SW8x8NT 8x8 Audio / Video Matrix Switcher 2
5 Installing on a Rack 5
5.1 Before Installing on a Rack 5
5.1.1
CAUTION!! 5
5.2 Instructions for Rack-Mounting 5
6 Connecting the OMX-SW8x8NT 6
6.1 Setting the Dipswitches 7
6.1.1 SELF ADDRESS Dipswitches 7
6.1.2 Setting Connection Dipswitches 8
6.2 Controlling via RS-232 (for example, using a PC) 9
6.3 Controlling via RS-232 and RS-485 10
6.4 RGB/YUV Switching with RS-232 (PC Control) 11
7 Operating OMX-SW8x8NT Matrix Switchers 12
7.1 Displaying Unit Characteristics 12
7.2 Selecting and Connecting an Output and/or Input 12
7.3 Choosing the Audio-Follow-Video or Breakaway Option 13
7.3.1 Setting the Audio-Follow-Video Option 13
7.3.2 Setting the Breakaway Option 13
7.4 Storing/Recalling Input/Output Configurations 13
7.4.1 Storing an Input/Output Configuration 13
7.4.2 Recalling an Input/Output Configuration 14
7.4.3 Deleting an Input/Output Configuration 14
7.5 Resetting the Machine 14
8 Technical Specifications 15
Figures
Figure 1: OMX-SW8x8NT Video Matrix Switcher – Front Panel 3
Figure 2: Connecting the Video Sources and Acceptors to the Rear Panel 6
Figure 3: OMX-SW8x8NT Dipswitch Configuration 7
Figure 4: Connecting a PC without using a Null-modem Adapter 9
Figure 5: RS-232 and RS-485 Operation 11

Contents
ii
Tables
Table 1: OMX-SW8x8NT Front Panel Features 4
Table 2: OMX-SW8x8NT Rear Panel Features 4
Table 3: Recommended Ambient Temperature and Humidity Range 5
Table 4: Dipswitch Settings 7
Table 5: SELF Address Dipswitch Settings 7
Table 6: Technical Specifications of the OMX-SW8x8NT 15

Introduction
1
1 Introduction
Congratulations on purchasing your OMX-SW8x8NT 8x8 Video / Audio
Matrix Switcher, which is ideal for the following typical applications:
 Any professional system requiring outstanding value in an 8x8 matrix
 Production and duplication facilities
 Security, CCTV, and home theater systems
2 Getting Started
We recommend that you:
 Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
 Review the contents of this user manual
3 Overview
The high performance OMX-SW8x8NT is a true vertical interval video /
audio matrix switcher, letting you route any input to any or all of the outputs
simultaneously.
The OMX-SW8x8NT includes:
 A bandwidth of 200MHz that ensures transparency even in the most critical
applications
 8 input and 8 output button selectors
 8 preset memory locations for quick access to common configurations
 Audio-follow-video or audio breakaway option (to switch audio
independently from video)
 A unique vertical and horizontal sync-pulse solution
 Glitch-free transitions, which are produced when sources share a
common reference sync, as switching occurs during the vertical interval
1
 An external Sync/Genlock input that may be programmed to switch
according to the timing of either this input or of source number 1
1 When one video signal replaces another video signal, the switching process causes a random interruption in the first video
signal (in the middle of a frame) and a random entrance into the second video signal (also in the middle of a frame). The
result is a visible jump in the edited tape. This deteriorates when the tape is copied, and the disturbance on playback is more
serious. Avoid this by switching at a very specific point during the vertical interval, allowing smooth replacement of a whole
frame by a second whole frame as long as the video sources are Genlocked to each other

Your OMX-SW8x8NT 8x8 Audio / Video Matrix Switcher
2
Control the OMX-SW8x8NT using the front panel buttons, or remotely via
RS-485 or RS-232 serial commands transmitted by a touch screen system, PC,
or other serial controller.
The OMX-SW8x8NT is dependable, rugged and fits into two vertical spaces
(2U) of a standard 19" rack.
To achieve the best performance:
 Connect only good quality connection cables, thus avoiding interference,
deterioration in signal quality due to poor matching, and elevated noise
levels (often associated with low quality cables)
 Avoid interference from neighboring electrical appliances and position
your OMX-SW8x8NT away from moisture, excessive sunlight and dust
4 Your OMX-SW8x8NT 8x8 Audio / Video Matrix Switcher
Figure 1 and Table 1 define the OMX-SW8x8NT:

Your OMX-SW8x8NT 8x8 Audio / Video Matrix Switcher
3
Figure 1: OMX-SW8x8NT Video Matrix Switcher – Front Panel

Your OMX-SW8x8NT 8x8 Audio / Video Matrix Switcher
4
Table 1: OMX-SW8x8NT Front Panel Features
# Feature Function
1 POWER Switch Illuminated switch for turning the unit ON or OFF
2 INPUT Buttons Select the input to switch to the output
3 OUTPUT Buttons Select the output to which the input is switched
4 ALL Button Pressing ALL followed by an INPUT button, connects that input to all outputs
1
5 OFF Button An OFF-OUT combination disconnects that output from the inputs; an OFF-ALL
combination disconnects all the outputs
6 7-segment Display Displays the selected audio
2
or video
3
input switched to the output (marked
above each input)
7 VIDEO Button When pressed button is illuminated and all actions relate to video
8 AUDIO Button When pressed button is illuminated and all actions relate to audio
9 AFV Button When pressed button is illuminated and all actions relate to video and audio
channels. Audio channels follow the video channels
10 STO (STORE) Button Pressing STO followed by an output button stores the current setting
4
11 RCL (RECALL)
Button
Pressing the RCL button and the corresponding OUTPUT button recalls a
setup from the non-volatile memory. The stored status blinks. Pressing a
different OUTPUT button lets you view
5
another setup. After making your
choice, pressing the RCL button again implements the new status
Table 2: OMX-SW8x8NT Rear Panel Features
# Feature Function
12 AUDIO INPUTS RCA
Connectors Connect to the audio sources
13 AUDIO OUTPUTS RCA
Connectors Connect to the audio acceptors
14 RS-485 Connector RS-485 port on detachable terminal block
15 EXT. SYNC BNC
Connector Connects to the external SYNC source
16 SYNC Source Selector
Button
Pushing in selects the (EXT) external sync source on the SYNC connector;
releasing selects the (IN 1) internal sync on the VIDEO IN 1 connector
17 VIDEO INPUTS BNC
Connectors Connect to the video sources (from 1 to 8)
18 VIDEO OUTPUTS BNC
Connectors
6
Connect to the video acceptors (from 1 to 8)
19 RS-232 DB 9F Connector Connects to the PC or other Serial Controller
20 Setup Dipswitches DIP 1, 2, and 3 for machine SELF ADDRESS #; DIP 4 for RS-485
termination, DIP 5 for reply from switcher to PC, DIP 8 for RS-232 /
RS-485 communication
21 Power Connector with Fuse AC connector enabling power supply to the unit
1 For example, press ALL and then Input button # 2 to connect input # 2 to all the outputs
2 When the Audio button illuminates, that is, when the audio breakaway mode is selected
3 When the Video button illuminates, that is, when the video breakaway mode is selected
4 For example, press STO and then the Output button # 3 to store in Setup # 3
5 Only view, nothing is implemented at this stage
6 For RGBS applications, one of the sync channels (H or V) may be used for the S channel

Installing on a Rack
5
5 Installing on a Rack
This section describes what to do before installing on a rack (see section 5.1)
and how to install on a rack (see section 5.2).
5.1 Before Installing on a Rack
Before installing the machine in a 19" rack, be sure that the environment is
within the recommended range:
Table 3: Recommended Ambient Temperature and Humidity Range
Operating temperature range +5 to +45 Deg. Centigrade
Operating humidity range 5 to 65 % RHL, non-condensing
Storage temperature range -20 to +70 Deg. Centigrade
Storage humidity range 5 to 95% RHL, non-condensing
5.1.1 CAUTION!!
When installing the OMX-SW8x8NT in a 19" rack, avoid hazards by taking care
that:
1. It is located within the recommended environmental conditions, as the
operating ambient temperature of a closed or multi-unit rack assembly may
exceed the room ambient temperature.
2. Once rack-mounted, enough air will still flow around the machine.
3. The machine is placed straight in the correct horizontal position.
4. You do not overload the circuit(s). When connecting the machine to the
supply circuit, overloading the circuits might have a detrimental effect on
overcurrent protection and supply wiring. Refer to the appropriate nameplate
ratings for information. For example, for fuse replacement, see the value
printed on the product label.
5. The machine is earthed (grounded) in a reliable way and is connected only to
an electricity socket with grounding. Pay particular attention to supply
connections other than direct connections to the branch circuit (for example,
the use of power strips), and that you use only the power cord that is supplied
with the machine.
5.2 Instructions for Rack-Mounting
To install the OMX-SW8x8NT in a 19" rack, place the ears of the machine
against the rack rails, and insert the screws through each of the four holes in
the rack ears
1
.
1 Always mount the machine in the rack before you attach any cables or connect the machine to the power

Connecting the OMX-SW8x8NT
6
6 Connecting the OMX-SW8x8NT
To connect a single
1
OMX-SW8x8NT switcher, do the following
2
:
1. Connect to the rear panel, the:
 Video sources and acceptors, as illustrated in Figure 2
 Appropriate audio sources and acceptors
 Power cord
2. Set the dipswitches (see section 6.1).
3. Connect to a PC or other controller if required via RS-232 (see
section 6.2) or RS-232 and RS-485 (see section 6.3).
RS-232
Composite Video
Recorder 8
Composite Video
Recorder 1
Composite Video
Player 8
Composite Video
Player 1
Genlock
Source
Audio connections
are not shown
Figure 2: Connecting the Video Sources and Acceptors to the Rear Panel
1 Note that you can connect up to 8 OMX-SW8x8NT units to a PC or other RS-232 or RS-485 controller
2 Switch OFF the power on each device before connecting it to your OMX-SW8x8NT. After connecting your
OMX-SW8x8NT, switch on its power and then switch on the power on each device

Connecting the OMX-SW8x8NT
7
6.1 Setting the Dipswitches
This section describes the machine set-up and dipswitch selection. Figure 3
and Table 4 describe the OMX-SW8x8NT dipswitches.
1
2
4
5
8
3
Figure 3: OMX-SW8x8NT Dipswitch Configuration
Table 4: Dipswitch Settings
DIPS Function Description
1, 2, 3 SELF ADDRESS Determines the machine number
4 RS-485 Term ON for RS-485 Line Termination
OFF for no RS-485 Line Termination
5 Reply ON enables reply from the switcher to PC
OFF disables reply from the switcher to PC
6, 7 Reserved OFF
8 RS-232\RS-485 ON enables RS-232 communication between the switcher and PC
OFF enables RS-485 communication between the switcher and PC
To set the dipswitches, use a small flathead screwdriver to move the
dipswitches to the ON or OFF position, as described in the following sections.
6.1.1 SELF ADDRESS Dipswitches
The SELF ADDRESS dipswitch determines the position of a
OMX-SW8x8NT unit in the sequence, specifying which OMX-SW8x8NT
unit is being controlled, when several OMX-SW8x8NT units are controlled
by a PC or serial controller. Set the SELF ADDRESS on a OMX-SW8x8NT
unit via dipswitches 1, 2, and 3, according to Table 5.
Table 5: SELF Address Dipswitch Settings
SELF ADDRESS DIPS
3 2 1
1
Master
ON ON ON
2 ON ON OFF
3 ON OFF ON
4 ON OFF OFF
5 OFF ON ON
6 OFF ON OFF
7 OFF OFF ON
8 OFF OFF OFF

Connecting the OMX-SW8x8NT
8
Up to 8 machines may be cascaded for control via a single port by configuring
one machine as the Master (SELF ADDRESS = 1)
1
, while all the others are
assigned as Slaves or with an ID other than "1".
6.1.2 Setting Connection Dipswitches
When connecting a PC via the RS-232, set dipswitch # 8 to ON. When
connecting a PC via the RS-485, set dipswitch # 8 to OFF.
Dipswitch # 5 enables or disables Reply from the Matrix Switcher to the PC.
In some applications, it may be desirable for some machines not to reply to
instructions received on the RS-232 and RS-485 ports. If so, set the Reply
dipswitch to OFF.
In the case of interconnection between more than two RS-485 receivers-
transmitters (including PC), the termination resistor must be disconnected on
all the devices, except for the first (usually the PC) and last units on the
communication line. Dipswitch # 4 connects or disconnects the termination
resistor.
1 The default is for Master (SELF ADDRESS=1) and this is the recommended setting for a single machine

Connecting the OMX-SW8x8NT
9
6.2 Controlling via RS-232 (for example, using a PC)
To connect a PC to the OMX-SW8x8NT unit
1
, using the Null-modem adapter
provided with the machine (recommended):
 Connect the RS-232 DB9 rear panel port on the OMX-SW8x8NT unit to
the Null-modem adapter and connect the Null-modem adapter with a 9
wire flat cable
2
to the RS-232 DB9 port on your PC
To connect a PC to the OMX-SW8x8NT unit
1
, without using a Null-modem
adapter:
 Connect the RS-232 DB9 port on your PC to the RS-232 DB9 rear panel
port on the OMX-SW8x8NT unit, as Figure 4 illustrates
2
(depending on
whether the PC has a 9-pin or 25-pin connector)
Female DB9 (From PC)
PIN 4 Connected to PIN 6
PINS 8, 7, 1 Connected together
If a Shielded cable is used, connect the shield to PIN 5
PIN 5 Connected to PIN 5 (Ground)
PIN 3 Connected to PIN 2
PIN 2 Connected to PIN 3
Male DB9
Figure 4: Connecting a PC without using a Null-modem Adapter
1 When connecting a single OMX-SW8x8NT unit via RS-232, set the SELF ADDRESS dipswitches to Machine # 1,
according to Table 5
2 Up to 50 feet of cabling may be used for the RS-232 connection

Connecting the OMX-SW8x8NT
10
6.3 Controlling via RS-232 and RS-485
You can control up to eight single OMX-SW8x8NT units with control from a
PC via RS-232 (see section 6.2) and RS-485 as illustrated in Figure 5.
To control via RS-232 and RS-485, do the following:
1. Connect the video sources and acceptors, the appropriate audio sources and
acceptors, and the power cord to each OMX-SW8x8NT unit.
2. On each OMX-SW8x8NT unit, set the SELF ADDRESS dipswitches, as
required
1
(see Table 5).
3. Connect the RS-232 port on the first unit to the PC
2
.
4. Interconnect the RS-485 ports on all the OMX-SW8x8NT units: from the
RS-485 port on the first OMX-SW8x8NT unit, to the RS-485 port on the
second OMX-SW8x8NT unit, and so on – up to the RS-485 port on the last
unit.
5. Terminate the RS-485 line as described in section 6.1.2.
1 The first unit (the master) will be set to SELF ADDRESS = 1
2 As in section 6.2

Connecting the OMX-SW8x8NT
11
Self Address = 1 (Master)
Self Address = 3
Figure 5: RS-232 and RS-485 Operation
6.4 RGB/YUV Switching with RS-232 (PC Control)
Three OMX-SW8x8NT units can be connected in a YUV/RGB setup where
each video signal is composed of three sub-signals that should be switched
together.

Operating OMX-SW8x8NT Matrix Switchers
12
7 Operating OMX-SW8x8NT Matrix Switchers
Operate your OMX-SW8x8NT via:
 The front panel buttons
 RS-232/ RS-485 serial commands transmitted by a touch screen system,
PC or other serial controller
7.1 Displaying Unit Characteristics
The OMX-SW8x8NT 7-segment Display shows the selected audio
1
or video
2
input switched to the marked output.
The unit characteristics
3
are displayed in the following circumstances:
 Immediately (and automatically) after switching on the power; and
 When simultaneously pressing and holding for 3 seconds the “IN” buttons
1, 2 and 3
7.2 Selecting and Connecting an Output and/or Input
To select an output or input, press the designated button on the front panel. These
buttons correspond to the output connections marked on the rear panel.
 To connect a video / audio input to a specific output, press the desired
output button, followed by the desired input button
 To disconnect a video / audio input from a specific output, press the
desired output button followed by the OFF button. To disconnect all the
outputs, press the ALL button, followed by the OFF button
 To connect a video / audio input to all outputs, press the ALL button
followed by the INPUT button corresponding to the input which is to be
routed to all the outputs
1 When the Audio button illuminates, that is, when the audio breakaway mode is selected
2 When the Video button illuminates, that is, when the video breakaway mode is selected
3 Machine model and software version

Operating OMX-SW8x8NT Matrix Switchers
13
7.3 Choosing the Audio-Follow-Video or Breakaway Option
You can switch stereo audio signals in one of two ways, either:
 Audio-follow-video (AFV), in which all operations relate to both the
video and the audio channels; or
 Breakaway, in which video and audio channels switch independently
7.3.1 Setting the Audio-Follow-Video Option
To set the Audio-follow-video (AFV) option, press the AFV button:
 If the AUDIO and VIDEO configurations are the same, then the AFV
button illuminates. The audio will follow the video
 If the AUDIO differs from the VIDEO, then the AFV button will blink.
Also, the audio outputs, that need to be changed, will blink
1
in the
INPUT STATUS 7-segment display. Press the AFV button again
2
. The
audio will follow the video, and the AFV illuminates
7.3.2 Setting the Breakaway Option
To set the Breakaway option, press either the AUDIO (for audio control only)
or the VIDEO (for video control only) button.
 If the AUDIO button illuminates, switching operations relate to audio
 If the VIDEO button illuminates, switching operations relate to video
7.4 Storing/Recalling Input/Output Configurations
You can store and recall up to 8 input/output configurations (or setups) in
non-volatile memory, using the INPUT SELECTOR buttons 1 to 8. The 8
input/output configurations also include the relevant audio-follow-video /
breakaway option definition, the video configurations and the audio
configurations.
7.4.1 Storing an Input/Output Configuration
To store the current status in non-volatile memory, do the following:
1. Press the STO button.
The STO button blinks.
2. Press one of the INPUT SELECTOR buttons from 1 to 8. This will be the
setup # in which the current status is stored.
The memory stores the data at that reference.
1 Warning that you are about to modify the audio configuration for AFV operation
2 Failure to press the AFV button within one minute (the Timeout) will abort the action

Operating OMX-SW8x8NT Matrix Switchers
14
7.4.2 Recalling an Input/Output Configuration
To recall an input/output configuration, do the following:
1. Press the RCL button.
The RCL button blinks.
2. Press the appropriate INPUT SELECTOR button (the INPUT SELECTOR
button # corresponding to the setup #). The memory recalls the stored data
from that reference.
7.4.3 Deleting an Input/Output Configuration
To delete an input/output configuration, do the following:
1. Press the STO and RCL buttons simultaneously.
Both the STO and RCL buttons blink.
2. Press the appropriate INPUT SELECTOR button.
This erases that specific input/output configuration from the memory, leaving
it empty and available
1
.
7.5 Resetting the Machine
To reset the machine, press INPUT buttons 1, 2 and 3 simultaneously. The
machine resets itself and a 7-segment self-test is performed automatically.
1 Storing a new configuration over a previous configuration (without deleting it first) replaces the previous configuration

Technical Specifications
15
8 Technical Specifications
Table 6 details the OMX-SW8x8NT technical specifications
1
.
Table 6: Technical Specifications of the OMX-SW8x8NT
INPUTS: 8 composite video 1Vpp/75on BNC connectors
1 sync/video genlock with sync select switch
8 audio stereo up to +4dBm/62kon RCA connectors
OUTPUTS: 8 composite video 1Vpp/75on BNC connectors
8 audio stereo +4dBm/50on RCA connectors
MAX. OUTPUT LEVEL: VIDEO: 2 Vpp AUDIO: 20Vpp
BANDWIDTH (-3dB): VIDEO: 200MHz AUDIO: 100kHz
DIFF. GAIN: 0.05%
DIFF. PHASE: 0.03 Deg.
K-FACTOR: < 0.05%
S/N RATIO: VIDEO: 74dB AUDIO: 88 dB unweighted (1Vpp)
CROSSTALK (all hostile): VIDEO: -50 dB @ 5MHz AUDIO: –71.4dB@1kHz
CONTROLS: Manual, RS-232 or RS-485
COUPLING: VIDEO: DC AUDIO: AC
AUDIO THD + NOISE: 0.016% (1V, 1kHz)
AUDIO 2nd HARMONIC: 0.012%
POWER SOURCE: 230 VAC, 50/60 Hz (115 VAC, USA)
DIMENSIONS: 19 inch (W), 7 inch (D), 2U (H) rack mountable
WEIGHT: 3.4 kg. (7.5 lbs.) approx.
ACCESSORIES: Power cord, Null modem adapter, Windows®-based control software
1 Specifications are subject to change without notice