IT2200 Reader System with Multimode Capability Installation & Maintenance/Service Guide
D-10
RS-232
The connector is an industry standard DB-9M plug. Table D-6 shows the RS-232 con-
nector pin designations and descriptions for the RS-232 connector.
Table D-6 RS-232 Connector
28 B_SPARE3 Out Spare
29 B_SPARE4 Out Spare
30 B_SPARE5 Out Spare
31 VCC Out +5 volts
32 VCC Out +5 volts
33 GND Out Ground
34 GND Out Ground
Pin Signal In/Out Description
1 RSD N/C Received line signal detect
2 RXD In Receive data
3 TXD Out Transmit data
4 DTR N/C Data terminal ready
5 GND In/Out Ground
6 DSR N/C Data set ready
7 RTS Out Request to send
8 CTS In Clear to send
9 RI N/C Ring indicator
Table D-5 Hardware Diagnostic Port (continued)
Pin Signal In/Out Description