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BACKPLANE
23-2
23.3 STANDARD SHELF I/O CONNECTIONS
Refer to the card (CIM or DIM) installed in the
standard shelf for further jumper settings. The normal
jumper connection is shown in parenthesis.
1. J7 (pin 2 to pin 3)
• Pin 1 - Output
• Pin 2 - VTM
• Pin 3 - Input
2. J8 (pin 2 to pin 3)
• Pin 1 - Output
• Pin 2 - VTM PCM (destination)
• Pin 3 - Input
3. J9-J10
• J9, pin 3 to J10, pin 3
• J9, pin 4 to J10, pin 4
4. J11 (pin 2 to pin 3)
• Pin 1 - Output
• Pin 2 - Master Sync Shelf (destination)
• Pin 3 - Input
5. J12 (pin 2 to pin 3)
• Pin 1 - Output
• Pin 2 - Master Sync connector
• Pin 3 - Input
6. J13 (pin 2 to pin 3)
• Pin 1 - Output
• Pin 2 - Master Clock Shelf (destination)
• Pin 3 - Input
7. J14 (pin 2 to pin 3)
• Pin 1 - Output
• Pin 2 - Master Clock
• Pin 3 - Input
8. J15-J16
• J15, pin 2 to J16, pin 2
9. J17-J18
• J17, pin 3 to J18, pin 3
• J17, pin 4 to J18, pin 4
See Figure 23-2 for switch settings.
Figure 23-1 STANDARD 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
PRI Tx/Rx PCM
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
VTM
MASTER SYNC
MASTER CLOCK