Appendix D. Interfaces; Isdn Interface - Motorola UTA220/UTA220k User Manual

ISDN INTERFACE

INTERFACES
Table D-1: U Interface RJ45 Pin Functions
Pin Name
1 Battery status
2 Battery status
3 ----
4 Signal
5 Signal
Figure D-1 and Table 1 show the UTA ISDN.
Figure D-1. U Interface RJ45 Pin 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.
No connection
No connection
No connection
U interface tip or ring
U interface tip or ring
UTA220/UTA220k
Interfaces
Appendix D
Interfaces
Function
D-1