User`s guide

DP-300 Multiprotocol Fast Ethernet Print Server User’s Guide
Index
15
25-pin Centronics Signal Source
13 13 Select Printer
14 14 nAutoFd Host
15 32 nFault Printer
16 31 nInit Host
17 36 nSelectIn Host
18-25 16, 17, 19-30 Ground
Serial Port
The table below shows the pinout of the print server’s 9-pin RS-232 serial
port. The print server’s serial port is a DTE (Data Terminal Equipment)
port, and should be connected to a DCE (Data Communications Equipment)
serial port on your printer. Consult your printer’s documentation for
detailed information on how to connect the print server to your printer.
9-pin Signal Function
1 DCD Data Carrier Detected (DCE
Æ
DTE)
2 RXD Received Data (DCE
Æ
DTE)
3 TXD Transmitted Data (DTE
Æ
DCE)
4 DTR Data Terminal Ready (DTE
Æ
DCE)
5 Gnd Signal Ground
6 DSR Data Set Ready (DCE
Æ
DTE)
7 RTS Request to Send (DTE
Æ
DCE)
8 CTS Clear to Send (DCE
Æ
DTE)
9 RI Ring Indicator (DCE
Æ
DTE)
5 I
NDEX