User guide

Appendixes
MTASR2-203 61
WAN 2 Cable (Dial back-up)
13 12 11 10 9 8 7 6 5 4 3 2 1
25 24 23 22 21 20 19 18 17 16 15 14
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
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.
RS232C/V.24 * Link Cable
To RouteFinder
RS-232C/V.35
Connector
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
* The RouteFinder RS-232C interface circuits have been designed to meet the
electrical specificaitons given in EIA (Electronic Industries Association) RS-232C
and CCITT (Consultative Committee International Telegraph and Telephone) V.24
Standards.
** When configured for V.35 interface operation, 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.
V.35 Adapter Cable Configured
on an RS-232C/V.35**
C
H
M
S
W
AA
EE
KK
D
J
N
T
X
BB
FF
LL
A
E
K
P
U
Y
CC
HH
MM
B
F
L
R
V
Z
DD
JJ
NN
V.35 34-PIN CONNECTOR
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)
Signal Ground
Clear To Send
Data Carrier Detect
Receive Data (A)
Receive Data (B)
Receive Timing (A)
Receive Timing (B)
As viewed from the connector side