Installation Manual
IMN
TigerAccess™ EE
SMC7824M/VSW
31
5.2.2
Connecting Narrowband Services
Use this procedure when connecting narrowband services.
1. Cut the cables to length.
2. Attach the connectors to the cables.
3. Label and mark the cables.
4. Install the cables to the POTS interfaces on the front panel of the switch in ac-
cordance with your cabling plan.
5. Route and stow the cable in the rack.
6. Connect the cables to the PSTN switch.
Tab. 5.1
shows pin assignments for the RJ21 connectors.
Pin
Signal Pin
Signal
1 TIP_1
26 RING_1
2 TIP_2
27 RING_2
3 TIP_3
28 RING_3
4 TIP_4
29 RING_4
5 TIP_5
30 RING_5
6 TIP_6
31 RING_6
7 TIP_7
32 RING_7
8 TIP_8
33 RING_8
9 TIP_9
34 RING_9
10 TIP_10
35 RING_10
11 TIP_11
36 RING_11
12 TIP_12
37 RING_12
13 TIP_13
38 RING_13
14 TIP_14
39 RING_14
15 TIP_15
40 RING_15
16 TIP_16
41 RING_16
17 TIP_17
42 RING_17
18 TIP_18
43 RING_18
19 TIP_19
44 RING_19
20 TIP_20
45 RING_20
21 TIP_21
46 RING_21
22 TIP_22
47 RING_22
23 TIP_23
48 RING_23
24 TIP_24
49 RING_24
25 Not
used
50 Not
used
Tab. 5.1
RJ21 Connector Pin Assignment
Содержание 7824M/VSW
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