User's Manual

Table Of Contents
AR 400 Reader User’s Manual 2003-2004 Matrics, Inc. 7
RS232 Interface
9-pin Female D-sub Connector:
PIN: FUNCTION PIN: FUNCTION PIN: FUNCTION
1: NC 4: NC 7: NC
2: Tx 5: Ground 8: NC
3: Rx 6: NC 9: NC
Power Supply
PWR JACK 2.1X5.5MM:
ITEM DESCRIPTION
Rating 24vDC @ 1.2A
Contact Resistance 30m OHMS Max
Insulation Resistance 50m OHMS Min: 100vDC
Voltage Withstand 250v AC R.M.S. for 1 minute
Life 5,000 cycles
Pin Assignments
Center Pin: Ground
Outer Pin:
Vcc Imax: