ADTRAN XR Network Card User Manual


 
Appendix E. Connector Pinouts
78
Express XR/XRT Quick Start Guide 61200.153L1-1
PIN 1
PIN 13
PIN 14
PIN 25
MALE
Figure E-2
Modem Interface
Table E-B
Modem Interface
Pin Name I/O Description
1 ......... Shield ....................I/O ............................ Shield for cable
2 ............RD ....................... O ............................. Received Data
3 ............ TD......................... I.............................. Transmitted Data
4 ...........RTS ...................... O ............................. Request to Send
5 ...........CTS ....................... I.............................. Clear To Send
7 ............SG ...................... I/O ............................ Signal Ground
8 ............CD ........................ I.............................. Carrier Detect
20 .........DTR ...................... O ............................. Data Terminal Ready
I = Input O = Output