Sync Serial Port; V.35 Serial Port Signals (Db-25 Connector); X.21 Serial Port Signals (Db-15 Connector) - Patton electronics SMARTNODE 4900 User Manual

SmartNode 4900 User Manual

Sync Serial port

Two types of serial ports are available: V.35 or X.21. They are configured as DTE. The V.35 is presented on a
DB-25 female connector (see
table 15 for pin-outs).
Note
Sync Serial port
table 14 for pin-outs). The X.21 is presented on a DB-15 female connector (see
Pins not listed are not used
Table 14. V.35 serial port signals (DB-25 connector)
Pin
1
2
3
4
5
6
7
8
9
11
12
14
15
16
17
20
24
Table 15. X.21 serial port signals (DB-15 connector)
Pin
1 Signal Ground
8 DTE Common Return
2 Transmit (to DCE)
3 Control (to DCE)
4 Receive (from DCE)
5 Indication (from DCE)
6 Signal Element Timing (from DCE)
9 Transmit (to DCE)
10. Control (to DCE)
11 Receive (from DCE)
12 Indication (from DCE)
13 Signal Element Timing (from DCE)
Description
Frame Ground
TD-a (to DCE)
RD-a (from DCE)
RTS (to DCE)
CTS (from DCE)
DSR (from DCE)
Signal Ground
CD (from DCE)
RC-b (from DCE)
XTC-b (to DCE)
TC-b (from DCE)
TD-b (to DCE)
TC-a (from DCE)
RD-b (from DCE_
RC-a (from DCE)
DTR (to DCE)
XTC-a (to DCE)
Description
C • Port pin-outs
63