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PIN NO.
1
2
3
4
5
7
8
15
17
20
25
1
2
3
4
5
7
8
15
17
20
25
To
External
Synchronous
Modem/DSU
Connector
To
MultiMux
External
Modem/DSU
Connector
CHASSIS GROUND (AA)
TRANSMIT DATA (BA)
RECEIVE DATA (BB)
REQUEST TO SEND (CA)
CLEAR TO SEND (CB)
SIGNAL GROUND (AB)
CARRIER DETECT (CF)
TRANSMIT CLOCK (DB)
RECEIVE CLOCK (DD)
DATA TERMINAL READY (CD)
PIN NO.
V.35 34-PIN
CONNECTOR (MALE)
25-PIN
CONNECTOR (FEMALE)
A
B
C
D
E
F
H
P
R
S
T
U
V
W
X
Y
a
1
7
4
5
6
8
20
2
3
12
22
23
17
25
18
15
21
PROTECTIVE GROUND
SIGNAL GROUND
REQUEST TO SEND
CLEAR TO SEND
DATA SET READY
DATA CARRIER DETECT
DATA TERMINAL READY
TRANSMIT DATA A
RECEIVE DATA A
TRANSMIT DATA B
RECEIVE DATA B
EXTERNAL TX CLOCK A
RECEIVE CLOCK A
EXTERNAL TX CLOCK B
RECEIVE CLOCK B
TRANSMIT CLOCK A
TRANSMIT CLOCK B
Composite Link Cabling
RS232C/V.24 *Configured Composite Link
V.35 Adapter Cable Configured on a RS232C/V.35
**Composite Link
* The MultiMux RS232C interface circuits have been designed to meet the
electrical specificaitons given in EIA (Electronic Industries Association RS232C
and CCITT (Consultative Committee International Telegraph and Telephone) V.24
Stanards.
** When configured for V.35 interface operation on composite link A or B, the
V.35 adapter cable should be used. This cable uses a 25-pin female connector at
one end and a 34-pin winchester male connector at the other end.