Black Box LR1530A-EU-R3 - Manual (Page 87)

Servicing Information
81
V.35 Link Pinouts
DB25
Contact
No.
M.34
Contact
No.
Circuit
Name
Direction
To From
DCE DCE
1 A Protective Ground NA
2 P Transmitted Data (A) X
3 R Received Data (A) X
4 C Request to Send X
5 D Clear to send X
6 E Data Set Ready X
7 B Signal Ground NA
8 F Data Channel Received Line Signal
Detector
X
9 X Receiver Signal Element Timing (B) X
10 ----------
11 W Terminal Signal Element Timing (B) X
12 AA Send Signal Element Timing (B) X
13 ----------
14 S Send Data (B) X
15 Y Send Signal Element Timing (A) X
16 T Received Data (B) X
17 V Received Signal Element Timing (A) X
18 L Local Loopback X
19 ----------
20 H Data Terminal Ready X
21 N Remote Loopback
22 ----------
23 ----------
24 U Terminal Signal Element Timing (A) X
25 NN Test Mode X
Figure C - 6 V.35 Link Pin Outs
The connecting cable must be a shielded cable.