Technical Documentation

X.21 DTE Cable Pinouts for the Serial Mini-Physical Interface Module

Table 1 gives the X.21 DTE cable pinouts.

Table 1: X.21 DTE Cable Pinouts for the Serial Mini-PIM

LFH-60 Pin	DB-15 Pin	LFH-60 Pairing	Description
15	1	-	Shield Ground
60	2	59	Transmit Data (A)
48	3	47	Control (A)
1	4	2	Receive (A)
37	5	38	Indicate (A)
5	6	6	Signal Element Timing (A)
57	8	-	Signal Ground
59	9	60	Transmit Data (B)
47	10	48	Control (B)
2	11	1	Receive (B)
38	12	37	Indicate (B)
6	13	5	Signal Element Timing (B)
30 to 29	-	-	-
18 to 17	-	-	-