Kramer Electronics VS-1616A - Manual (Page 27)

Installing the Balanced Stereo Audio Matrix Switcher
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2. Connect the “-” PIN on the first VS-1616A unit to the “-” PIN on the
second VS-1616A unit or other unit
3. If shielded cable is used for an RS-485 connection, connect the shield to
the Ground PIN.
For details about how to configure the vertical sync (if required), refer to
section
6.8 and Figure 21 in section 8.4.1 .
Figure 16: Connecting the RS-485 Connectors between 2 VS-1616A Units
Figure 17 illustrates the RS-485 line that connects:
• Between each VS-1616A unit
• To the PC via a Kramer Tools VP-43xl Interface Converter
(connect the PC’s 9-pin D-sub COM port to the “RS-232 in”
9-pin D-sub (F) port on the VP-43xl. Next, connect the RS-485
port on the VP-43xl to the RS-485 ports on the VS-1616A
units)