Patton electronic 2635 Network Router User Manual


 
Serial port 126
Models 2603, 2621, and 2635 Getting Started Guide D • IPLink Physical Connectors
Serial port
V.35 (M/34 and DB-25 Connector)
The Model 2635 has a DB-25 connector for the V.35 interface. table 9 provides the pinouts for the M/34 and
DB-25 connectors.
Table 9. V.35 pinout for M/34 & DB-25 connectors
M/34
Pin No.
DB-25
Pin No.
Signal Name Direction
A 1 Frame/Chassis
Ground
n/a
P 2 TD-a from DTE
R 3 RD-a to DTE
C 4 RTS from DTE
D 5 CTS to DTE
E 6 DSR to DTE
B 7 Signal Ground n/a
F 8 CD to DTE
X 9 RC-b to DTE
10
W 11 XTC-b from DTE
AA 12 TC-b to DTE
13
S 14 TD-b from DTE
Y 15 TC-a to DTE
T 16 RD-b to DTE
V 17 RC-a to DTE
L 18 Local Loopback to DTE
19
H 20 DTR from DTE
N 21 Remote Loopback to DTE
22
23
U 24 XTC-a from DTE
M 25 Test Mode to DTE