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[ 18 ] Pelco Manual C527M-L (3/04)
KBDKIT
RJ-45 WALL BLOCK
TERMINALS
POWER UP
SCU
REPLACE
COVER
SCU COM 2
PIN
12 (RX+)
11 (RX-)
8 (TX-)
7 (TX+)
WALL BLOCK
TERMINAL
1 (TX+)
2 (TX-)
7 (RX-)
8 (RX+)
TO
1
2
3
45
6
7
8
10
SET SWITCHES
LOCAL
KEYBOARD
1
2
3
4
5
6
7
8
12 VAC
CM6700SCU
TERMINAL
KBD300A
25-FOOT
KEYBOARD
DATA CABLE
1
2
4
3
5
7
4
9
6
8
NOTE: A SEPARATE PATH MUST BE PROVIDED
FOR VIDEO TO THE MONITOR.
MAXIMUM DISTANCE
OF 4,000 FEET. USE
SHIELDED TWISTED
PAIRS SUCH AS BELDEN
9843 OR EQUIVALENT.
Figure 6. RS-422 Interface Connections (CM6700)