Standard Modem Cables; Terminal Server Db25 Dte To Modem Db25 Dce; Cable Diagram; Connector Pinout Table - Black Box 37687 User Manual

Standard modem cables

Terminal Server DB25 DTE to Modem DB25 DCE

Typical uses This type of cable is used to connect to DCE devices such as Modems.

Cable diagram

Connector pinout table

DB25 (Terminal Server)
Pin Signal
1 Chassis
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
20 DTR
Terminal Server User Guide
Standard modem cables
Pin 1
Male
(looking into
connector)
Direction Description
Chassis ground
Out Transmit Data
In Receive Data
Out Request To Send
In Clear To Send
In Data Set Ready
Ground
In Data Carrier Detect
Out Data Terminal Ready
DB25 (MODEM)
Pin Signal
1 Chassis
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
20 DTR
Page 199
Male
Pin 1
(looking into
connector)
Description
Chassis ground
Transmit Data
Receive Data
Request To Send
Clear To Send
Data Set Ready
Ground
Data Carrier Detect
Data Terminal Ready