Specifications

Table Of Contents
Chapter 8 DataFire® 2000 sync adapter 39
X.21 pinouts
X.21, male DB-15 connector
V.35 pinouts
V.35, male 34-pin connector
Pin CCITT Description
9 103B TxD-
2 103A TxD+
3 105B RTS-
10 105A RTS+
4 104A RxD-
11 104B RxD+
5 106A CTS-
12 106B CTS+
13 115A RxCLKi-
6 115B RxCLKi+
7 113A TxCLKo-
14 113B TxCLKo+
8 n/a GND
Shell n/a CGND
Pin CCITT Description
A n/a CGND
B n/a GND
C 105 RTS
D 106 CTS
E 107 DSR
F 109 DCD
H 108 DTR
P 103A TxD-
S 103B TxD+
R 104A RxD-
T 104B RxD+
V 115A RxCLKi-
X 115B RxCLKi+
Y 114A TxCLKi-
AA 114B TxCLKi+
U 113A TxCLKo-
W 113B TxCLKo+