Reference Guide for the Model XM128 ISDN Digital Modem
E-2
Connector Pin Assignments
Table E-1
lists the pin assignments for the RJ-45 plug and RJ-45 connector for the S/T interface.
Table E-2
lists the pin assignments for the RJ-45 plug and RJ-45 connector for the U interface.
Table E-1.
RJ-45 plug and RJ-45 connector pin assignments for the S/T interface
Pin
Assignment
1
Not connected
2
Not connected
3
RCV +
4
XMT +
5
XMT -
6
RCV -
7
- 48V
8
- 48V RTN
Table E-2.
RJ-45 plug and RJ-45 connector pin assignments for the U interface
Pin
Assignment
1
Not connected
2
Not connected
3
Not connected
4
Ring
5
Tip
6
Not connected
7
- 48V
8
- 48V RTN
Содержание XM128
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