Kramer Electronics VS-626 User Manual
Page 16
Connecting the VS-828 Video / Audio Matrix Switcher
13
6.3 Controlling via RS-232 and RS-485
You can control up to eight single
VS-828 units with control from a PC via
RS-232 (see section 6.2) and RS-485 as illustrated in Figure 6.
To control via RS-232 and RS-485, do as follows:
1. Connect the video sources and acceptors, the appropriate audio sources
and acceptors, and the power cord to each
VS-828 unit.
2. On each
VS-828 unit, set the Self Address dipswitches, as required
1
(see
Table 4).
3. Connect the RS-232 port on the first unit to the PC
2
.
4. Interconnect the RS-485 ports on all the
VS-828 units: from the RS-485
port on the first
VS-828 unit, to the RS-485 port on the second VS-828
unit, and so on – up to the RS-485 port on the last unit.
5. Terminate the RS-485 line as described in section 6.1.2.
Self Address = 1 (Master)
Self Address = 3
Figure 6: RS-232 and RS-485 Operation
1 The first unit (the master) will be set to Self Address = 1
2 As in section 6.2