Multitech MultiFrad FR3060 User Manual page 88

MultiFRAD 3000-Series User Guide
Trunk Cable
13
25
To
External
Synchronous
Modem/DSU
Connector
* 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.
88
12 11 10 9 8 7 6 5 4 3
24 23 22 21 20 19 18 17 16
RS232C/V.24 * Link Cable
PIN NO.
PIN NO.
1 1
2 2
3 3
4 4
5 5
7 7
8 8
15 15
17 17
20 20
25 25
V.35 Adapter Cable Configured on a RS232C/V.35**
Link Cable
V.35 34-PIN CONNECTOR
Chassis Ground A
Request To Send
C D
Data Set Ready
E
Data Terminal Ready
H J
K
M N
Send Data (A) P
Send Data (B) S T
Terminal Timing (A)
U
Terminal Timing (B)
W X
Send Timing (A)
Y
Send Timing (B)
AA BB
CC
FF
EE
HH
KK LL
MM
As viewed from the connector side
V.35 34-PIN
CONNECTOR (MALE) CONNECTOR (FEMALE)
A
B
C
D
E
F
H
P
R
S
T
U
V
W
X
Y
a
2 1
15 14
CHASSIS GROUND (AA)
TRANSMIT DATA (BA)
To MultiRouter
RECEIVE DATA (BB)
Link 1,2 or 3
REQUEST TO SEND (CA)
RS232C/V.35
CLEAR TO SEND (CB)
Connector
SIGNAL GROUND (AB)
CARRIER DETECT (CF)
TRANSMIT CLOCK (DB)
RECEIVE CLOCK (DD)
DATA TERMINAL READY (CD)
B Signal Ground
Clear To Send
Data Carrier Detect
F
L
R Receive Data (A)
Receive Data (B)
Receive Timing (A)
V
Receive Timing (B)
Z
DD
JJ
NN
25-PIN
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