Connecting Via Rs-485; Connecting The Vp-727A To The Vp-727T Via The Vp-727Xl - Kramer VP-727A User Manual

6.4 Connecting via RS-485

You can connect the VP-727A to the VP-727T, via RS-485 communication,
via the VP-727xl (see section 6.4.1) or via the VP-727 (see section 6.4.2).
6.4.1

Connecting the VP-727A to the VP-727T via the VP-727xl

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 7, do the following:
1. Connect the VP-727A to the VP-727xl as follows:
Connect the "A" (+) PIN on the RS-485 rear panel port of the
VP-727A to the A (+) PIN on the AUDIO CONTROL rear panel port
of the VP-727xl 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-727xl unit
If shielded twisted pair cable is used, the shield may be connected to
the "G" (Ground) PIN on one of the units
2. Connect the VP-727xl to the VP-727T as follows:
Connect the "A" (+) PIN on the RS-485 rear panel port of the
VP-727xl 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-727xl
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.
Configuring the VP-727A Audio Switcher
13