Configuring the VP-727A Audio Switcher
15
2. Connect the
VP-727
to the
VP-727T
as follows:
Connect the “A” (+) PIN on the RS-485 rear panel port of the
VP-727
to the A (+) PIN on the RS-485 rear panel port of the
VP-727T
unit
Connect the “B” (-) PIN on the RS-485 rear panel port of the
VP-727
to the B (-) PIN on the RS-485 rear panel port of the
VP-727T
unit
If shielded twisted pair cable is used, the shield may be connected to
the “G” (Ground) PIN on one of the units
3. Slide the underside RS-485 TERMINATION switch to ON.
VP-727T Side Panel
VP-727A
VP-727
RS-485 PINOUT
G
B
A
_
+
Figure 8: RS-485 Configuration between the VP-727A and the VP-727
