Rs-422/449 (eia-449) dce cable pinout – Juniper Networks J-series Services Router J2320 User Manual
Page 249
RS-422/449 (EIA-449) DCE Cable Pinout
Table 75: RS-422/449 (EIA-449) DCE Cable Pinout
Description
LFH-60 Pairing
DC-37 (DB-37) Pin
LFH-60 Pin
Shield Ground
–
1
15
Send Data (A)
2
4
1
Send Timing (A)
55
5
56
Receive Data (A)
59
6
60
Request to Send (A)
38
7
37
Receive Timing (A)
51
8
52
Clear to Send (A)
47
9
48
Local Loopback
–
10
45
Data Mode (A)
34
11
33
Terminal Ready (A)
10
12
9
Receive Ready (A)
14
13
13
Terminal Timing (A)
6
17
5
Signal Ground
–
19
36
Receive Common
–
20
4
Send Data (B)
1
22
2
Send Timing (B)
56
23
55
Receive Data (B)
60
24
59
Request to Send (B)
37
25
38
Receive Timing (B)
52
26
51
Clear to Send (B)
48
27
47
Data Mode (B)
33
29
34
Terminal Ready (B)
9
30
10
Receiver Ready (B)
13
31
14
Terminal Timing (B)
5
35
6
Send Common
–
37
57
–
–
–
26 to 25
Serial PIM Cable Specifications
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Chapter 13: Network Cable Specifications and Connector Pinouts