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BACKPLANE
23-3
23.4 CIM SHELF I/O CONNECTIONS
23.4.1 PRIMARY PCM
The normal jumper connection is shown in paren-
thesis.
1. J9 (pin 1 to J10, pin 1/pin 2 to J10, pin 2)
• Pin 1 - Input
• Pin 2 - Output
• Pin 3 - Input
• Pin 4 - Output
2. J10 (pin 1 to J9, pin 1/pin 2 to J9, pin 2)
• Pin 1 - Primary Tx PCM
• Pin 2 - Primary Rx PCM
• Pin 3 - Primary Rx PCM
• Pin 4 - Primary Tx PCM
3. J15 (pin 2 to J16, pin 2)
• Pin 1 - Input
• Pin 2 - Input
• Pin 3 - Input
4. J16 (pin 2 to J15, pin 2)
• Pin 1 - Output
• Pin 2 - Input
• Pin 3 - Output
23.4.2 SECONDARY PCM
The normal jumper connection is shown in paren-
thesis.
1. J17 (pin 1 to J18, pin 1/pin 2 to J18, pin 2)
• Pin 1 - Output
• Pin 2 - Input
• Pin 3 - Input
• Pin 4 - Output
2. J18 (pin 1 to J17, pin 1/pin 2 to J17, pin 2)
• Pin 1 - Output
• Pin 2 - Input
• Pin 3 - Input
• Pin 4 - Output
Figure 23-2 S2 - S8 SWITCH SETTINGS
1
O
N
2
3
4
5
6
7
8
Figure 23-3 CIM/CCM SHELF BACKPLANE SWITCH AND JUMPER SETTINGS
SEC PCM
J18
J17
J16
J15
1
1
1
1
SWITCH SETTINGS ARE FOR A 6-SHELF SYSTEM
J14
J13
J11
J12
1
1
J8
J7
J10
J9
1
1
1
1
1
1
S3 PRI TX PCM
S2 VTM PCM
S4 PRI RX PCM
S5 MASTER SYNC
S7 SEC RX PCM
S6 MASTER CLOCK
S8 SEC TX PCM
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
PRI Tx/Rx PCM
VTM
MASTER SYNC
MASTER CLOCK