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BNC
Connector
1.6
DATA MODE SWITCH SETTINGS
The 3-way data control switch is located at the front of OSD8816B modem. Switches SW1, SW2 and
SW3 are used for setting the Data Mode Options.
Note: For correct operation, ensure that both OSD8816BT and OSD8816BR have the switch settings in
the same modes.
SWITCH
SW1
SW2
SW3
Note: For optional relay version, the switch settings must be set to RS422, 4-Wire, 9-Bit settings (ie.
SW1-Off, SW2-Off, SW3-On.
PAGE 9
OPTICAL SYSTEMS DESIGN
FIGURE 2: REAR PANEL CONNECTORS
TABLE 4: DATA MODE SWITCH SETTINGS
STATE
POSITION
OFF
DOWN
ON
UP
OFF
DOWN
ON
UP
OFF
DOWN
ON
UP
FIGURE 3: DATA SWITCH DIAGRAMS
OSD8816B OPERATOR MANUAL
8-Way Data Connector
8
7
6
Power Connector
See section 2.2.3
2
1
FUNCTION
RS422
RS485
4-Wire Operation
2-Wire Operation
10-Bit Video Mode
9-Bit Video + Data Mode
Mode Switch
ON
Switch setting is example
DOC ID: 10115503
5
4
3
2
1
2
3
only
1
OFF
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