KRAMER: SIMPLE CREATIVE TECHNOLOGY
Configuring the VP-727A Audio Switcher
14
VP-727T Side Panel
VP-727A
VP-727xl
RS-485 PINOUT
G
B
A
_
+
Figure 7: RS-485 Configuration between the VP-727A and the VP-727xl
6.4.2
Connecting the VP-727A to the VP-727T via the VP-727
To connect the
VP-727A
to the
Kramer
VP-727T
Presentation Switcher
Control Panel
via the RS-485 control port, as illustrated in the example in
Figure 8, do the following:
1. Connect the
VP-727A
to the
VP-727
as follows:
Connect the “A” (+) PIN on the RS-485 rear panel port of the
VP-727A
to the A (+) PIN on the RS-485 rear panel port of the
VP-727
unit
Connect the “B” (-) PIN on the RS-485 rear panel port of the
VP-727A
to the B (-) PIN on the AUDIO CONTROL rear panel port of the
VP-727
unit
If shielded twisted pair cable is used, the shield may be connected to
the “G” (Ground) PIN on one of the units
