Kramer-electronics VP-747 Instrukcja Użytkownika Pobierz pdf (Strona 22)

VP-747 - Connecting the VP-747 Control Ports 17

Method A above) only requires pins 2, 3 and 5 to be connected, you are free to

decide whether to connect only these 3 pins or all 9 pins.

Figure 7: Straight Cable RS-232 Connection with a Null Modem Adapter

6.2 Connecting the Audio Control Port

The Kramer VP-727A Audio Switcher operates in conjunction with the VP-747.

When connected, the audio switcher signals follow the video signals.

See the separate VP-727A user manual on our Web site at http://www.kramerelectronics.com

To connect the VP-747 to the Kramer VP-727A Audio Switcher via the TO AUDIO

UNIT RS-485 port, as illustrated in the example in

Figure 8, do the following:

• Connect the “A” (+) PIN on the AUDIO CONTROL RS-485 rear panel port of

the VP-747 to the A (+) PIN on the RS-485 rear panel port of the VP-727A

unit

• Connect the “B” (-) PIN on the AUDIO CONTROL RS-485 rear panel port of

the VP-747 to the B (-) PIN on the RS-485 rear panel port of the VP-727A

unit

• If shielded twisted pair cable is used, the shield may be connected to the “G”

(Ground) PIN on one of the units

to PC

Null-Modem

Adapter

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 64 65

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Kramer-electronics VP-747 Instrukcja Użytkownika Strona 22