Kramer Electronics VS-3232V - Manual (Page 26)

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Connecting the Video Matrix Switcher
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6.4.2 Connecting the RS-485 Control Interface
Figure 8 defines the RS-485 connector PINOUT for external RS-485 control.
The RS-485 connector is also used (if required) for vertical sync:
Figure 8: RS-485 Connector PINOUT
To connect an RS-485 connector on one VS-3232V unit to an RS-485
connector on one or more other switchers (from the series of 32x32 or 16x16
matrix switchers), as Figure 9 illustrates:
1. Connect the “A” PIN on the first VS-3232V unit to the “A” PIN on the second
VS-3232V unit and all the other units.
2. Connect the “B” PIN on the first VS-3232V unit to the “B” PIN on the second
VS-3232V unit and all the other units.
3. If shielded cable is used for an RS-485 connection, you may connect the shield
to the “G” (ground) PIN.
For details about how to configure the vertical sync (if required), refer to
section 6.5 and section 8.1.