Perle IOLINK-520 User And System Administration Manual page 101

V.35 Link Pinouts
The connector pinouts described here correspond to the connector labeled "V.35" on
the back of the IOLINK-520 & IOLINK-PRO.
DB25 M.34
Contact Contact
Number Number
1 A
2
3
4 C
5
6 E
7 B
8 F
9 P
10 S
11 R
12 T
13
14 V
15
16 X
17
18 U
19 W
20 H
21
22 J
23 Y
24
25 a
The connecting cable must be a shielded cable.
Circuits which are paired (contain an (A) and (B) reference) should be connected to twisted pairs
within the connecting cable.
NOTE For U.K. Approval:
The connecting cable may be any length between 0 and 5M. One end must be terminated in a male 34 pin
X.21 bis connector as defined in ISO-2593 1984. The other end must be terminated in a male 25 pin X.21 bis
connector as defined in ISO-2110 1989
13
25
Circuit
Name
Protective Ground
----------
----------
Request to Send
----------
Data Set Ready
Signal Ground
Data Channel Received Line Signal Detector
Transmitted Data (A)
Transmitted Data (B)
Received Data (A)
Received Data (B)
----------
Receiver Signal Element Timing (A)
----------
Receiver Signal Element Timing (B)
----------
Transmitter Signal Element Timing (A) DTE
Transmitter Signal Element Timing (B) DTE
Data Terminal Ready
Local Loopback
Calling Indicator
Transmitter Signal Element Timing (A)
----------
Transmitter Signal Element Timing (B)
Figure D - 8 V.35 Link Pin Outs
IOLINK-520 & IOLINK-PRO Installation & Applications Guide — D.7
1
14
Direction
To From
DCE DCE
NA
X
NA
X
X
X
X
X
X
Interface Pinouts
X
X
X
X
X
X
X
X
X