User guide

118 170PAX4 User Guide 10/12/2004 57516L-001 Rev. 1
Data Ports
Serial Port
Serial Pin Configuration
Table 16 shows the pin configuration and function of the rear panel serial data connector on
the print engine.
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Table 16 • Serial Connector Pin Configuration
Pin No. Name Description
1 — Not connected
2 RXD Receive data—data input to print engine
3 TXD Transmit data—data output from print engine
4 DTR Data terminal ready—output from print engine
5 SG Signal ground
6 DSR Data set ready—input to print engine
7 RTS Request to send—output from print engine
8 CTS Clear to send—input to print engine
9 +5 VDC +5 VDC at 750 mA
The maximum current draw may be limited by option
configuration.