J2320, J2350, J4350, and J6350 Services Router Getting Started Guide
Table 74: X.21 DTE Cable Pinout (continued)
LFH-60 Pin
60
48
1
37
5
57
59
47
2
38
6
30 to 29
18 to 17
X.21 DCE Cable Pinout
Table 75: X.21 DCE Cable Pinout
LFH-60 Pin
DB-15 Pin
15
1
1
2
37
3
60
4
48
5
52
6
57
8
2
9
38
10
59
11
234
Serial PIM Cable Specifications
DB-15 Pin
LFH-60 Pairing
2
59
3
47
4
2
5
38
6
6
8
–
9
60
10
48
11
1
12
37
13
5
–
–
–
–
LFH-60 Pairing
–
2
38
59
47
51
–
1
37
60
Description
Transmit Data (A)
Control (A)
Receive (A)
Indicate (A)
Signal Element Timing (A)
Signal Ground
Transmit Data (B)
Control (B)
Receive (B)
Indicate (B)
Signal Element Timing (B)
–
–
Description
Shield Ground
Transmit Data (A)
Control (A)
Receive (A)
Indicate (A)
Signal Element Timing (A)
Signal Ground
Transmit Data (B)
Control (B)
Receive (B)