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Connecting Your VS-44HDxl 3G HD/SD-SDI 4x4 Matrix Switcher
15
6.5 Controlling via the RS-485 Port
To cascade up to eight individual
VS-44HDxl
units
1
, via RS-485 (with control
via a Master Programmable Remote Control system such as the Kramer
RC-3000
), as Figure 6 illustrates, do the following:
1. Connect the “A” (+) and “B” (-) PINS on the RS-485 terminal block port
of the
RC-3000
to the “A” (+) and “B” (-) PINS, respectively, on each of
the eight
VS-44HDxl
units. (If using shielded twisted pair cable, the
shield is usually connected to the “G” (Ground) PIN of the first unit).
2. Set the first
VS-44HDxl
unit as MACHINE # 1 and the following seven
VS-44HDxl
units as MACHINE # 2 to MACHINE # 8, according to
Table 3.
MACHINE # 1
MACHINE # 8
KEYBOARD EXTENSION
REMOTE CONTACT
RS-485
RS-232 IN
RS-232 OUT
12 VDC
1 2
1 2 3 4 5 6 7 8 G
4
6
8
10
3
5
7
9
11 12
14
16
O
U
T
13
15
IN
RS-485 PINOUT
B
A
_
+
Figure 6: Controlling via RS-485 (for example, using an RC-3000)
6.6 Factory Reset
Press and hold the input buttons 1, 2 and 3 simultaneously for 3 seconds until the
three buttons flash to reset the machine to its default values.
1 Regular and/or dual-link units