Juniper CTP2000 Series, Hardware Manual

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Figure 29: RTM Pinouts for CTP2000 2W-FXS and 2W-FXO Interface Modules
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RJ21x
g016233
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 on page 49 lists the RTM pinouts for the FXS module.
Table 13: CTP2000 FXS Connector Pinouts on the RTM
Pin Signal Signal Pin
26 Port 0 T Port 0 R 1
27 Port 1 T Port 1 R 2
28 Port 2 T Port 2 R 3
29 Port 3 T Port 3 R 4
30 Port 4 T Port 4 R 5
31 Port 5 T Port 5 R 6
32 Port 6 T Port 6 R 7
33 Port 7 T Port 7 R 8
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