Pelco MX4004 Manuel D’Utilisation
18
Pelco Manual C1995M-A (10/01)
STAR CONFIGURATION OF MULTIPLEXERS
The CM9760-CDU-T can be used as a distribution unit for a star configuration of Genex
Series multiplexers. Refer to Figure 12.
Series multiplexers. Refer to Figure 12.
ALARMS
COM-IN
COM-OUT
12 VDC
1 2 3 4 H 0
OUT
IN
SVHS
VCR
MAIN
SVHS
75 OHMS
1 2 3 4
SPOT
IN
OUT
1
2
3
4
ALARMS
COM-IN
COM-OUT
12 VDC
1 2 3 4 H 0
OUT
IN
SVHS
VCR
MAIN
SVHS
75 OHMS
1 2 3 4
SPOT
IN
OUT
1
2
3
4
1
2
3
4
5
6
7
8
TO COM IN, STRAIGHT CABLE (SUPPLIED WITH KBD4000)
COM OUT FROM MUX 1, FLIPPED CABLE
(SUPPLIED WITH CM9760-CDU-T)
(SUPPLIED WITH CM9760-CDU-T)
COM OUT FROM MUX 1 TO COM IN
OF THE CM9760-CDU-T
OF THE CM9760-CDU-T
RJ-45 WALL BLOCK (NOT SUPPLIED, ORDERED
SEPARATELY AS PART# CON12J008Z03G0Z)
SEPARATELY AS PART# CON12J008Z03G0Z)
TYPICAL OF 15
TWISTED PAIR
(NOT SUPPLIED)
(NOT SUPPLIED)
TX -
TX +
TO COM IN, STRAIGHT CABLE
(SUPPLIED WITH UNIT)
(SUPPLIED WITH UNIT)
KBD4000
CM9760-CDU-T
3
4
2
1
00143
Figure 12. Star Configuration of Multiplexers
1.
Connect the KBD4000/KBD4002 keyboard to the COM IN port of multiplexer 1 using a
straight cable. To connect a KBD4000V, refer to the KBD4000V manual.
straight cable. To connect a KBD4000V, refer to the KBD4000V manual.
2.
Connect the COM OUT port of multiplexer 1 to the COM IN port of the CM9760-CDU-T
using a flipped cable.
using a flipped cable.
3.
Connect TX+ and TX- from the CM9760-CDU-T to pin 1 and pin 2 (respectively) on
the RJ-45 wall block.
the RJ-45 wall block.
4.
Connect the RJ-45 wall block to the COM IN port of multiplexer 2 using a straight cable.
5.
Repeat steps 3 and 4 for connecting additional multiplexers to outputs 2-15 on the
CM9760-CDU-T. Each multiplexer requires its own wall block.
CM9760-CDU-T. Each multiplexer requires its own wall block.