Pelco Manual C586M (9/99) 9
POWER SUPPLY
TO KBD4000V
FROM MULTIPLEXER
SERVER
R+R-T-T+
LOCAL
FIRST KBD
WALL BLOCK
TERMINAL
1
2
3
4
5
6
7
8
SECOND KBD
WALL BLOCK
TERMINAL
1
2
3
4
5
6
7
8
12 VAC
WALL
TRANSFORMER
USER-
SUPPLIED
CABLE
1
2
3
45
6
7
8
WALL BLOCK
TERMINALS
TX+
TX-
GND
RX-
RX+
12 VAC
WALL
TRANSFORMER

KBD4000V

INTERFACE

MULTIPLEXER

SERVER

R+
R-
T-
T+
R+
R-
T-
T+
KBD4000V
KBD4000V
POWER SUPPLY
FROM MULTIPLEXER SERVER

KBD4000V

INTERFACE

1
2
3
45
6
7
8
WALL BLOCK
TERMINALS
R+R-T-T+
LOCAL

MULTIPLEXER SERVER

* AS NEEDED

USER-
SUPPLIED
CABLE

(WIRE COM OUT AS SHOWN IN FIGURE 5)

SECOND KBD*
WALL BLOCK
TERMINAL
1
2
3
4
5
6
7
8
FIRST KBD
WALL BLOCK
TERMINAL
1
2
3
4
5
6
7
8
12 VAC
WALL
TRANSFORMER
TX+
TX-
GND
RX-
RX+
12 VAC
WALL
TRANSFORMER
R+
R-
T-
T+
R+
R-
T-
T+
KBD4000V
KBD4000V
TO KBD4000V
Figure 5. Connecting KBD4000 Series Keyboards to a Multiplexer ServerFigure 6. Alternative Method of Connecting Keyboards to a Server