IDT 3321/31 MiniMag Intelligent Swipe Reader Specifications
Electrical
Magnetic TTL:

Power +5 VDC +/-10% (50mV ripple maximum).

Ground 0 VDC (GND).

Chassis ground connected to GND and magnetic head case.
Operating Current:

15mA maximum for undecoded magnetic stripe only (3 tracks), TTL.

35mA additional for decoded with keyboard or RS-232 interface.

5.5mA typical with LED (<8mA at peak usage) for port-powered model.
External Power Supply:

5 VDC/350mA (required for RS-232 version only).

Port-powered option requires no power supply.
Operating Temperature:

32°F to 131°F (0°C to 55°C ).

Storage Temperature: -22°F to 158°F (-30°C to 70°C ).

Humidity: Maximum 95% non-condensing.
Electronics MTBF:

Read electronics, magnetic: 125,000 POH.

Interface electronics, RS-232/keyboard: 125,000 POH.
Magnetic Head Life:

1,000,000 passes minimum.
Rail and Cover Life:

1,000,000 passes minimum.
Read Rate:

Less than one error in 100,000 bits on cards conforming to ISO 7811 1-5 (not induced by operator error).
Warranty:

One year, parts and labor.
Magnetic Stripe Formats:

ISO 7811, AAMVA, and CA DMV.
Swipe Speed:

3 to 55 inches per second, bi-directional. (5 to 50 inches per second for port-powered model.)
Card Width:

.01 to .055 inches.
Slot Width:

Maximum card thickness: .055 (1.37mm).
Indicators:

Tri-colored LED, beeper (not available on port-powered model).
Interfaces:

RS-232, Keyboard wedge, USB/keyboard, TTL (undecoded magnetics). Port-powered option is RS-232 only.
Dimensions:

Length: 3.54 inches (90mm). Width: 1.34 inches (34mm).
Height:

1.10 inches (28mm).
Weight:

Approximately 4.6 oz.
Cable Length:

6-foot straight cable. (Cable exit through the bottom of the unit is available as an option; minimum quantities apply.)
Connector:

Keyboard: Combination 5 pin/6 pin DIN.
TTL: 9 pin squeeze. RS-232: DB9F.