Interfaces

Appendix D

Interfaces

ISDN INTERFACE

Figure D-1 and Table 1 show the UTA ISDN.

Figure D-1. U Interface RJ45 Pin Interfaces

INTERFACES

Tables 2 through 4 describe the pin functions of the DTE interfaces on the UTA. Use the table corresponding to the interface on your UTA. General descriptions of the pins follow.

Note: In the following tables, unused pins have no electrical connection.

Table D-1:U Interface RJ45 Pin Functions

Pin

Name

Function

 

 

 

 

 

 

1

Battery status

No connection

 

 

 

2

Battery status

No connection

 

 

 

3

----

No connection

 

 

 

4

Signal

U interface tip or ring

 

 

 

5

Signal

U interface tip or ring

 

 

 

UTA220/UTA220k

D-1

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Image 149
Northern UTA220/UTA220k manual Appendix D Interfaces, Isdn Interface, Table D-1U Interface RJ45 Pin Functions