Installing The Serial Interface Cable - Patton SmartNode 1000 Series Getting Started Manual

6 • SmartNode 2300 installation

Installing the serial interface cable

Serial devices (V.35 or X.21) are connected to the SmartNode's serial ports (see
listing) via a cable terminated at the SmartNode 2300 with a DB-25 connector.
98
Figure 59. Connecting to a hub
The Interconnecting cables shall be acceptable for external use and shall be
rated for the proper application with respect to voltage, current, anticipated
temperature, flammability, and mechanical serviceability
Table 31. Serial port V.35 and X.21 signals
Signal V.35
Pin Description
1 Frame Ground
4 DCD
6 DTR
7 Signal Ground
8 RTS
9 RXDa
10 RXDb
11 TXDb
SmartNode 1000 and 2000 Series Getting Started Guide
table 31
Signal X.21
Pin Description
7 Signal Ground
9 RXDa
10 RXDb
11 TXDb
12 TXDa
13 CNTb
14 CNTa
16 INDb
for port pin-out
Connecting cables