RS-422/449 (EIA-449) DCE Cable Pinout

Table 69: RS-422/449 (EIA-449) DCE Cable Pinout

DescriptionLFH-60 PairingDC-37 (DB-37) PinLFH-60 Pin
Shield Ground115
Send Data (A)241
Send Timing (A)55556
Receive Data (A)59660
Request to Send (A)38737
Receive Timing (A)51852
Clear to Send (A)47948
Local Loopback1045
Data Mode (A)341133
Terminal Ready (A)10129
Receive Ready (A)141313
Terminal Timing (A)6175
Signal Ground1936
Receive Common204
Send Data (B)1222
Send Timing (B)562355
Receive Data (B)602459
Request to Send (B)372538
Receive Timing (B)522651
Clear to Send (B)482747
Data Mode (B)332934
Terminal Ready (B)93010
Receiver Ready (B)133114
Terminal Timing (B)5356
Send Common3757
26 to 25
Serial PIM Cable Specifications 229
Chapter 13: Network Cable Specifications and Connector Pinouts