REF: WM4 User Manual V7.docx
Page 38
© Alcolizer Technology
The instrument also supports Wiegand based test authorization, if enabled in production.
16.1.1
Americium Serial Protocol
The americium serial protocol operates on
both
serial ports with the following settings:
•
Protocol version:
am-spec-02
•
Date/Time:
local time (not UTC)
Please contact your Alcolizer Technology representative for further advice.
16.2
Wiegand USB device
The Wiegand support operates via USB serial connections and allows a test to be authorized
via a Wiegand card reader.
16.2.1
Direct Network Connection
If enabled on the Service page on Networks menu, the americium protocol can operate over
a direct network connection on a configurable port number.
When a remote device connects to the wall mount it will receive
all
breath test results
according to the americium protocol specification.
If breath test authorisation is enabled the remote device can also authorise breath tests.
There is no limit to the number of devices that can connect simultaneously to the wall
mount.
16.2.2
USB Input Device Authorisation
Any HID input device connected to a USB port (e.g. keyboard, card reader, etc.) can be used
to enter authorisation codes.
Legal characters are
a-z
,
A-Z
, and
0-9
, all other characters are ignored.
A carriage return <Enter> is required to submit the data.
The <Esc> key is used to cancel data entry.
16.3
Coin Mechanism Authorisation
The coin mechanism is a hardware peripheral that attaches to the
IN1
trigger input.
When this hardware input is closed (e.g. by a coin received in the coin mechanism) a single
breath test is authorised.
