Hardware Configuration
RUBY-9715VG2AR User’s Manual 2-4
J2 : COM1 Serial Port 1 Connector
PIN No. Signal Description
RS-232 RS-422 RS-485
1 DCD (Data Carrier Detect) TX- DATA-
2 RXD (Receive Data) TX+ DATA+
3 TXD (Transmit Data) RX+ N/C
4 DTR (Data Terminal Ready) RX- N/C
5 GND (Ground) GND GND
6 DSR (Data Set Ready) N/C N/C
7 RTS (Request to Send) N/C N/C
8 CTS (Clear to Send) N/C N/C
9 RI (Ring Indicator) N/C N/C
10 N/C N/C N/C
Note:
J2 (COM1) could be configurable as RS-232/422/485 with jumper JP8
J3 : Audio Jack
J4 : Parallel Port Connector
PIN No. Signal Description PIN No. Signal Description
1 Strobe# 14 Auto Form Feed#
2 Data 0 15 Error#
3 Data 1 16 Initialization#
4 Data 2 17 Printer Select IN#
5 Data 3 18 Ground
6 Data 4 19 Ground
7 Data 5 20 Ground
8 Data 6 21 Ground
9 Data 7 22 Ground
10 Acknowledge# 23 Ground
11 Busy 24 Ground
12 Paper Empty 25 Ground
13 Printer Select
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