Alpha Telecom UT3620 Triple NT1, Installation Manual

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Appendix C: Interface Pin
Assignments
Each interface has specific pinouts which are
important for electricians and technicians to
know. Anyone installing wiring for the UT3620
should pay close attention to this information. All
interfaces described here are located on the rear
panel of the UT3620.
Table 2. S/T-Interface Pin Assignments
Table 4. Power Connector Pin Assignments
Table 3. U-Interface Pin Assignments
Pin Function Pin Function
Pin Function Pin Function
1
3
5
7
2
4
6
8
---
RX+
TX-
RTN
---
TX+
RX-
+40V
1
3
5
7
2
4
6
8
---
---
RING
---
---
TIP
---
---
Pin Function Pin Function
1 +40V 2 GND
12 UT3620 NT1 Installation Guide Triple