MagTek MT-215 TTL HALF CARD - Manual (Page 11)

Section 2. Installation
5
Table 2-1. J1 Pin List – Molex Header 22-12-2081
PIN SIGNAL DESCRIPTION
1 SW1 BATTERY SAVER
2 SW1 BATTERY SAVER
3 BACK SENSOR ACTIVE LOW
4 DATA ACTIVE LOW
5 CARD PRESENT ACTIVE LOW
6 STROBE VALID DATA WITH
FALLING EDGE
7 Vcc +5 VDC
8 GND GROUND