3460 Fast’R
C-13
Stand-Alone Modem Connectors and Interfaces
The stand-alone modem rear panel has one female DB25 connector to
interface to the computer (DTE).
Computer Interface
Pin
Circuit
Function
2
BA/103
TXD
3
BB/104
RXD
4
CA/105
RTS
5
CB/106
CTS
6
CC/107
DSR
7
AB/102
Signal Ground
8
CF/109
DCD
15
DB/114
TXCLK
17
DD/115
RXCLK
20
CD/108.1/2
DTR
22
CE/125
RI
24
DA/113
XTCLK
Pins not listed here are not used.