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890-007 Rev. A 01/28/99 Page 85 © 1999 RadioLAN, Inc.
The CPU uses an RJ11 jack for connection to the terminal. The CPU requires a special interface cable that
connects between the serial port jack and a DB9F serial connector. The pin-outs for this cable are shown in Table
1.
Signal Description DB-9F RJ11 Signal Description
Ground 2 1 Ground
Serial Out (from computer) 3 2 Rx In
Serial In (to computer) 5 4 Tx out
Table 1: Serial Port Adapter Cable Pin-outs