ADTRAN 3000 User Manual
Page 130
Appendix D. Connector Pinouts
D-2
Express 3000 User Manual
61203153L2-20
Figure D-2 shows the modem interface and Table D-2 shows the mo-
dem interface pinout.
Figure D-2. Modem Interface
Table D-2.
Modem Interface Pinout
Pin
Name
I/O
Description
1
CD
O
Carrier Detect
2
RXD
O
Received Data
3
TXD
I
Transmitted Data
4
DTR
I
Data Terminal Ready
5
SG
I/O
Signal Ground
6
NC
-
No Connection
7
RTS
I
Request to Send
8
CTS
O
Clear to Send
9
NC
-
No Connection
PIN 5
PIN 9
PIN 6
PIN 1