8Chapter2 - Getting Started
TheMicroRouter 1250i secondary port is an RS-232 sync/async inter-
face. The RS-232 interface is capable of communicating to another
routeror a PPP client machine over a modem, 56K CSU/DSU, or ISDN
TerminalAdapter.
RS-232Interface
TheMicroRouter 1250i includes one DB-25 to DB-25 RS-232
sync/asynccable. Thiscable supports RS-232 asynchronous modems,
synchronousleased and switched 56K CSU/DSU’s, and ISDN Terminal
Adapters. It can also be used to connect the router’s auxiliary interface
toa PCrunning terminal emulation software, or to a dumb terminal.
Note: Please use only the supplied DB-25 cable when connecting
yourline communication device to the M icroRouter1250i’s RS-232
interface. Thecables provided with other equipment will generally not
have the same internal connections.