ADTRAN 1202156L1 Instrukcja Użytkownika Strona 117

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Appendix B. Connector Pinouts
61202156L1-1 TDU 120e User Manual B-5
Base DS-1 (PBX)
On the rear of the TDU 120e are two connectors labeled DS-1.
These connectors are used for connecting to a PBX or other
terminal equipment. See Table B-7 for the pinout of the 8-pin
modular connector and Table B-8 for the pinout of the female
15-pin D-Connector.
Table B-7. Base DS-1 Pinout of the 8-Pinout Modular Connector
Pin Name Description
1
R1 TXDATA-RING Send data toward the DTE (PBX)
2
T1 TXDATA-TIP Send data toward the DTE (PBX)
3
UNUSED
4
R RXDATA-RING Receive data from the DTE (PBX)
5
T RXDATA-TIP Receive data from the DTE (PBX)
6, 7, 8
UNUSED
Table B-8. Base DS-1 Pinout of the 15-Pin Female D-Connector
Pin Name Description
1
T RXDATA-TIP Receive data from the DTE (PBX)
2
FG FRAME GROUND
3
T1 TXDATA-TIP Send data toward the DTE (PBX)
4
FG FRAME GROUND
5, 6, 7, 8
-- NOT USED
9
R RXDATA-RING Receive data from the DTE (PBX)
10
-- NOT USED
11
R1 TXDATA-RING Send data toward the DTE (PBX)
12,13,14,15
-- NOT USED
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