CTP2000 FXS and FXO Interface Module Cables and Pinouts
Required Cables
The CTP2000 2W-FXS and 2W-FX0 interface modules require the use of double-shielded cables (copper braid plus aluminum mylar foil) to ensure EMI Compliance.
RTM Pinout Locations
Figure 29 shows the pinout locations for both the CTP2000 2W-FXS and 2W-FXO interface modules.
FXS Connector Pinouts
The RTM for the CTP2000 2W-FXS interface module uses a RJ-21 25-pair Telco connector labeled A. The A connector has 24 FXS ports.
FXS R is connected to FXO T; FXS T is connected to FXO T.
Table 13 lists the RTM pinouts for the FXS module.
Table 13: CTP2000 FXS Connector Pinouts on the RTM
Pin | Signal | Signal | Pin |
|---|---|---|---|
1 | Port 0 R | Port 0 T | 26 |
2 | Port 1 R | Port 1 T | 27 |
3 | Port 2 R | Port 2 T | 28 |
4 | Port 3 R | Port 3 T | 29 |
5 | Port 4 R | Port 4 T | 30 |
6 | Port 5 R | Port 5 T | 31 |
7 | Port 6 R | Port 6 T | 32 |
8 | Port 7 R | Port 7 T | 33 |
9 | Port 8 R | Port 8 T | 34 |
10 | Port 9 R | Port 9 T | 35 |
11 | Port 10 R | Port 10 T | 36 |
12 | Port 11 R | Port 11 T | 37 |
13 | Port 12 R | Port 12 T | 38 |
14 | Port 13 R | Port 13 T | 39 |
15 | Port 14 R | Port 14 T | 40 |
16 | Port 15 R | Port 15 T | 41 |
17 | Port 16 R | Port 16 T | 42 |
18 | Port 17 R | Port 17 T | 43 |
19 | Port 18 R | Port 18 T | 44 |
20 | Port 19 R | Port 19 T | 45 |
21 | Port 20 R | Port 20 T | 46 |
22 | Port 21 R | Port 21 T | 47 |
23 | Port 22 R | Port 22 T | 48 |
24 | Port 23 R | Port 23 T | 49 |
FXO Connector Pinouts
The RTM for the CTP2000 2W-FXO interface module uses a RJ-21 25-pair Telco connector labeled A. The A connector has 24 FXS ports.
FXO T is connected to FXS R; FXO T is connected to FXS T.
Table 14 lists the RTM pinouts for the FXO module.
Table 14: CTP2000 FXO Connector Pinouts on the RTM
Pin | Signal | Signal | Pin |
|---|---|---|---|
1 | Port 0 T | Port 0 R | 26 |
3 | Port 1 T | Port 1 R | 28 |
5 | Port 2 T | Port 2 R | 30 |
7 | Port 3 T | Port 3 R | 32 |
9 | Port 4 T | Port 4 R | 34 |
11 | Port 5 T | Port 5 R | 36 |
13 | Port 6 T | Port 6 R | 38 |
15 | Port 7 T | Port 7 R | 40 |
17 | Port 8 T | Port 8 R | 42 |
19 | Port 9 T | Port 9 R | 44 |
21 | Port 10 T | Port 10 R | 46 |
23 | Port 11 T | Port 11 R | 48 |