Kramer Electronics VP-1608 - Manual (Page 20)

16 VP-1608 - Connecting Multiple VP-1608 Units
2. On each VP-1608 unit, set the MACHINE # DIP-switches, as required. For
example, set the first VP-1608 unit to MACHINE # 2, the second VP-1608
unit to MACHINE # 3, and so on, up to MACHINE # 8 for the seventh
VP-1608
unit (see Section 5.3 ).
3. Terminate the RS-485 line on both the PC and on the last VP-1608 unit (set
DIP 4 to ON).
4. Connect the RS-485 ports from the PC to the RS-485 ports on each of the
VP-1608
units, as follows:
 Connect the “A” (+) PIN on the RS-485 PC port to the “A” (+) PIN on
the RS-485 rear panel ports of the VP-1608 units
 Connect the “B” (-) PIN on the RS-485 PC port to the “B” (-) PIN on the
RS-485 rear panel ports of the VP-1608 units
 If shielded twisted pair cable is used, the shield may be connected to
the “G” (Ground) PIN on one of the units