Connecting the VP-747 Control Ports
7.2 Connecting the AUDIO CONTROL Port
The Kramer VP-727AAudio Switcher operates in conjunction with the VP-747. When connected, the audio switcher signals follow the video signals1.
To connect the VP-747AUDIO UNIT RS-485 following:
to the Kramer VP-727AAudio Switcher via the TO port, as illustrated in the example in Figure 7, do the
•Connect the “A” (+) PIN on the AUDIO CONTROL RS-485 rear panel port of the VP-747to the A (+) PIN on the RS-485 rear panel port of the VP-727Aunit
•Connect the “B” (-) PIN on the AUDIO CONTROL RS-485 rear panel port of the VP-747to the B (-) PIN on the RS-485 rear panel port of the VP-727Aunit
•If shielded twisted pair cable is used, the shield may be connected to the “G” (Ground) PIN on one of the units
Figure 7: Connecting the VP-727A to the VP-747
1 See the separate VP-727A user manual on our Web site at http://www.kramerelectronics.com
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