S
CANNER
T
ERMINATIONS
IS4125-163 Connector Pin Assignments
Honeywell provides a low profile ZIF 12-pin
connector to connect to a 1 mm x 12 position
FFC/FPC cable. The pin assignments are as follows:
1 12
Figure 10
Pin
Signal
Name
Function
1 VCC
Input.
5VDC (± 0.25V)
This requires 58 mA in standby and 120 mA peak.
2
Ground
Signal and power ground.
3 Receive
Input
. RS232 receive data from host.
Nominal ±12V signals.
4
TTL Receive
Input. +5/0V
5 RTS
Output, RS232 Ready to send signal from the scan engine.
Nominal ±12V signals.
6 TTL
Transmit
Output.
+5/0V
7 Transmit
Output.
RS232 transmit data from the scan engine.
Nominal ±12V signals.
8 CTS
Input. RS232 clear to send signal from host.
Nominal ±12V signals.
9*
Good Read
Indicator
Output.
5V high with a 2 kHz pulse. This drain is the pin of
a PFET type transistor that can source approximately
100 mA of current. This output is the connection for an
LED or other indicator (
i.e.
). It is recommended
that the indicator is terminated directly to ground.
10* Beeper
-
Input.
Collector of an NPN transistor that can sink
approximately 100 mA of current. A current limiting pull-up
resistor and Piezo type transducer (QMB- 111PXN or
equivalent) is recommended.
11 Reserved
Input
Input.
Do not connect to this pin. This pin is for Honeywell
internal use only.
12 LED
-
Negative connection for LED. An external pull-up and LED
are suggested. Maximum current is limited to 25 mA.
This line is active low when the laser diode is active.
* Pins 9 and 10 can be used together to form a push-pull type circuit. Pin 9
becomes the and Good - Read source whereas Pin 10 supplies the
pathway to ground.
21
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