Choose the RS-232 control interface, for a range of about 25 meters used
for a point-to-point connection.
Choose the RS-485 control interface, to operate the switcher from an
extended distance of up to 1000 meters.
6.7.1 Connecting the RS-232 Control Interface
Connect several switchers (from the series of 16x16 matrix switchers) and
the control unit in an RS-232 daisy chain arrangement, with or without
using a null-modem adapter, as
Figure 13
illustrates.
The RS-232 daisy chain switcher arrangement is transparent. This lets
you arrange the switchers (from the series of 16x16 matrix switchers)
according to your requirements, and not according to a fixed sequence
dependent on the MACHINE # and/or MACHINE ADDRESS #.
Figure 13: Connecting a PC to 4 VS-1616A Units
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