Serial/RS-232
The router CPU card has two RS-232 serial ports. One is for the Linux command line interface (labeled
CONSOLE), and the other is for the router's ASCII command interface (labeled RS232). If a back-up
CPU is installed, then its Linux console port is active. However, only the 'RS232' port on the active CPU
will function. The active CPU is the one with the FAULT LED turned off.
Linux Command Console (Console)
• Baud Rate: 115200
• Data Bits: 8
• Parity: none
• Stop Bits: 1
• Flow Control: none
• DB9 DCE
◦ A straight (NOT a null-modem) cable is needed to connect to a PC.
ASCII API (RS232)
• Baud Rate: 9600
• Data Bits: 8
• Parity: none
• Stop Bits: 1
• Flow Control: XON/XOFF (Software)
• DB9 DCE
◦ A straight (NOT a null-modem) cable is needed to connect to a PC.
Nov 3, 2014 Router Interfaces: Serial/RS-232 5/25
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