A
150
Digital Recorder
24
11.4.2 Remote
Keyboard
Physical:
RJ45 (lower connector)
PIN1
PIN8
Electrical: RS485
Pin Number
Signal
In/Out
1 RS485+
(A)
In
2 RS485-
(B)
In
3 Not
used
N/a
4
+12V for Keyboard
Out
5
0V for keyboard
Out
6 Not
used
N/a
7 Twisted-Pair
Video+
Out
8 Twisted-Pair
Video-
Out
Note:
A standard CAT5 patch cable may be used to connect the Ai150 to the optional Vi-K1
keyboard.