Table 1-2. specifications – MagTek HALF CARD PORT User Manual
Page 13

Section 1. Features and Specifications
5
Table 1-2. Specifications
OPERATING
Reference Standards
ISO7810 and 7811;
51 Characters on Track 1, 25 on Track 2
Power Input
From RS-232 Interface or Auxiliary Power Input (some units)
Interface Signal
RS-232 compatible
Message Format
ASCII
Track Card Speed
3 to 50 IPS (7,6 to 127 cm/sec)
Head Life
500,000 Insertion Cycles (1,000,000 head passes)
ELECTRICAL
Printed Circuit Assembly
21067502 (discontinued)
Printed Circuit Assembly
21067505 (new unit)
DTR Voltage (Input)
V
DTR
+5 to +15 VDC operating
+16 VDC absolute maximum
-25 VDC absolute maximum
+5 to +15 VDC operating
+/-20 VDC absolute maximum
Transmit Data (TXD)
+/-5 VDC minimum
+/-(V
DTR
– 0.4 V) VDC
minimum
Receive Data (RXD)
+/-15 VDC operating
+/-25 VDC absolute maximum
+/-15 VDC operating
+/-20 VDC absolute maximum
Communication
(bursts of 5 ms transmit with
10 ms idle between bursts)
Transfer Rate: 9600 bps, 33%
duty cycle; 8 data bits, no
parity, 1 stop bit
Transfer Rate: Selectable
9600, 19.2k, 38.4k, 57.6k,
115.2k bps, all at 33% duty
cycle; 8 data bits, no parity, 1
stop bit or configurable
DTR Current
Or Auxiliary Supply Current
(Positive supply to unit)
See below
* 2.7 mA minimum required
under all operating conditions
with cable capacitance limited
to 1000pF (and practically
unlimited inrush current)
Power On
12 mA Max (and practically
unlimited inrush current)
See above.
Transmitting
11 mA typical, 5 ms duration
See above.
Quiescent
6 mA typical, continuous
See above.
RXD Current
Within RS-232 specified limits
(does not function as a
negative supply to unit)
Average current approximates
that of a normal RS-232 load.
(Negative supply to unit)
Output Cable
Not Specified
See note “*” below.
MECHANICAL
Dimensions
Length
Width
Height
3.86 in (98.0 mm) – Allow 0.30 in (7.6 mm) for cable thickness
and tie wrap at the rear of the unit
4.00 in (101.6 mm)
1.00 in (25.4 mm)
Weight
4.1 oz (115 g) including 6’ cable