V.36/EIA-449 Pinout

V.36/EIA-449 Boards with DB-37 cable assemblies (see part numbers for cables below) -  Sync 2000.

• Sync 2000 single port V.36/EIA-449 DB-37 cable       - Part #77000440

Click below for crossover cable and loopback diagrams.

• Modem CablesDB-9 to DB-25.
• ModemCables DB-9 to USR/COMPAQ RJ-45 8-pin.

DB-37	Direction	Signal
1		Shield
2		Signal Rate Indicator
4		Received Data +
5		Send Timing +
6		Send Data +
7		RTS +
8		Received Timing +
9		CTS +
10		Local Loopback
11		Data Mode +
12		Terminal Ready +
13		Receiver Ready +
14		Remote Loopback
15		Incoming Call
16		Select Frequency
17		Terminal Timing +
18		Test Mode
19		SG
20		Receive Common
22		Send Data -
23		Send Timing -
24		Receive Data -
25		RTS-
26		Receive Timing -
27		CTS-
28		Terminal In Service
29		Data Mode -
30		Terminal Ready -
31		Receiver Ready -
32		Select Standby
33		Signal Quality
34		New Signal
35		Terminal Timing -
36		Standby Indicator
37		Send Common
Shell		GND

NOTES:

• For information regarding the EIA-232/EIA-422/EIA-485/EIA-449/V.35/X.21 specifications, click here.