Trunk Cable - Multitech MultiFRAD FR221 User Manual

MultiFRAD User Guide

Trunk Cable

13 12 11 10 9
25 24 23 22 21 20
TRUNK (RS232/V.35)
RS232C/V.24 * Link Cable
PIN NO.
1
2
3
4
To External
5
Synchronous
7
Modem/DSU
8
Connector
15
17
20
25
V.35 Adapter Cable Configured on a RS232C/V.35**
Chassis Ground
Request To Send
Data Set Ready
Data Terminal Ready
Send Data (A)
Send Data (B)
Terminal Timing (A)
Terminal Timing (B)
Send Timing (A)
Send Timing (B)
V.35 34-PIN
CONNECTOR (MALE)
A
B
C
D
E
F
H
P
R
S
T
U
V
W
X
Y
a
* The MultiFRAD 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
Standards.
** When configured for V.35 interface operation on the link, 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.
90
8 7 6 5 4 3 2 1
19 18 17 16 15 14
PIN NO.
1
2
CHASSIS GROUND (AA)
3
TRANSMIT DATA (BA)
4
RECEIVE DATA (BB)
5
REQUEST TO SEND (CA)
7
CLEAR TO SEND (CB)
8
SIGNAL GROUND (AB)
15
CARRIER DETECT (CF)
17
TRANSMIT CLOCK (DB)
20
RECEIVE CLOCK (DD)
25
DATA TERMINAL READY (CD)
Link Cable
V.35 34-PIN CONNECTOR
Signal Ground
A B
C D Clear To Send
Data Carrier Detect
E F
H J
K L
M N
P R Receive Data (A)
S T Receive Data (B)
Receive Timing (A)
U V
Receive Timing (B)
W X
Y Z
AA BB
CC DD
EE FF
HH JJ
KK
LL
MM NN
As viewed from the connector side
25-PIN
CONNECTOR (FEMALE)
1 PROTECTIVE GROUND
7 SIGNAL GROUND
4 REQUEST TO SEND
5 CLEAR TO SEND
6 DATA SET READY
8 DATA CARRIER DETECT
20 DATA TERMINAL READY
2 TRANSMIT DATA A
3 RECEIVE DATA A
12 TRANSMIT DATA B
22 RECEIVE DATA B
23 EXTERNAL TX CLOCK A
17 RECEIVE CLOCK A
25 EXTERNAL TX CLOCK B
18 RECEIVE CLOCK B
15 TRANSMIT CLOCK A
21 TRANSMIT CLOCK B
To MultiFRAD
TRUNK
(RS232C/V.35)
Connector