Serial Port - Patton SmartNode 1000 Series Getting Started Manual

SmartNode 1000 and 2000 Series Getting Started Guide

Serial port

The serial port is configurable to work in either V.35 or in X.21 mode. A standard D-subminiature female
socket with 25 positions is used.
Note
Note
Serial port
Table 51. Serial port V.35 signals
Pin
1
4
6
7
8
9
10
11
12
16
21
22
23
25
Pins not listed are not used.
Table 52. Serial port X.21 signals
Pin
7
9
10
11
12
13
14
16
21
22
23
Pins not listed are not used.
Signal V.35
Frame Ground
DCD
DTR
Signal Ground
RTS
RXDa
RXDb
TXDb
TXDa
TXCb
RXCb
RXCa
TXCa
CTS
Signal X.21
Signal Ground
RXDa
RXDb
TXDb
TXDa
CNTb
CNTa
INDb
SETb
SETa
INDa
C • Port pin-outs
181