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2 connecting the rs485 control interface, Connecting two units without a null-modem adapter, Connecting the rs-485 control interface – Kramer Electronics VS-162AVM User Manual

Page 23: Figure 10: rs-485 connector pinout

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Connecting a Control Interface

19

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9.1.2 Connecting Two Units without a Null-Modem Adapter

To connect two units, without using a null-modem adapter:

1. Connect a flat cable

1

between the RS-232 OUT 9-pin D-sub port on the first

unit and the RS-232 IN 9-pin D-sub port on the second unit.

2. On the second unit, set DIP 7 ON (disabling null-modem adapter use

1

9.1.3 Connecting to a 9-pin PC COM Port with a Null-Modem Adapter

).

To connect the 9-pin D-sub COM port of a PC to a unit, using a null-

modem adapter:

1. Connect a flat cable

1

between the 9-pin D-sub COM port of a PC and the

null-modem adapter that attaches to the RS-232 IN 9-pin D-sub port on the

unit.

2. Set DIP 7 OFF (enabling null-modem adapter use

1

) on the unit.

9.1.4 Connecting to a 9-pin PC COM Port without a Null-Modem

Adapter

To connect the 9-pin D-sub COM port of a PC to a unit, without using a

null-modem adapter:

1. Connect a flat cable

1

between the 9-pin D-sub COM port of a PC and the

RS-232 IN 9-pin D-sub port on the unit.

2. Set DIP 7 ON (disabling null-modem adapter use

1

) on the unit.

9.2 Connecting the RS-485 Control Interface

Figure 10

defines the RS-485 connector PINOUT for external RS-485

control. The RS-485 connector is also used (if required) for vertical sync:

Figure 10: RS-485 Connector PINOUT

1 See section

8.1