Chapter 4 Installing the Encompass 4 Reader
TransCore Proprietary
4-39
Connecting for Bench Testing with Colored-Wire Pair Cable
For temporary bench testing purposes only, you will need to connect the RS–232 interface signal wires
by following the pin-outs of your interface device. For permanent installations, follow the instructions listed
under “Connecting the Encompass 4 Reader Colored-Wire Pair Cable” on page 4-56.
Connecting for Bench Testing with RS–422 Interface
RS–422 interface signals are supplied by four wires from the Encompass 4 Reader communications cable.
Your host must have an RS–422 interface with either an internal or external converter.
Note: For temporary bench testing purposes only, you will need to connect the RS–422 interface
signal wires by following the pin-outs of your interface device. For permanent installations, follow
the instructions listed under “RS–422 Interface” on page 4-57.
Bench Testing the Encompass 4 Reader Before Installation
The Encompass 4 Reader is set to read the tag protocol(s) programmed into your reader.
Note: Test tags should match the protocol(s) selected for your reader. These tags can be ATA-
protocol, ISO-compliant tags, or Inter-Agency Group tags axed to a plastic or wooden yardstick,
or eGo Plus Windshield Sticker Tags (WSTs) axed to a piece of nonmetallic windshield-type glass
0.190 to 0.230 in (4.82 to 5.84 mm) in thickness. The eGo Plus sticker tags have a reduced read
range when not attached to glass.
Test that the Encompass 4 Reader has power and can read a tag presented in the
read zone
1. Confirm that the Encompass 4 Reader colored-wire pair cable is correctly connected to a suitable AC
or DC low-voltage power supply as discussed on “Connecting the AC Power Supply” on page 4-36
and “Connecting the DC Power Supply” on page 4-37, and that the transformer is connected to a
power outlet.
If you are using an external antenna, confirm that the antenna is connected to the Encompass 4 Reader.
Caution
To avoid damage to the Encompass 4 Reader, you must connect the antenna before applying
power to the reader.
2. Confirm that the Encompass 4 Reader colored-wire pair cable communications are connected
correctly as described in the section “Connecting Communications for Bench Testing” on page 4-37.
3. Connect the two leads from the audible circuit tester to the white and red wire pair (pair #8, lock/lock
return) from the Encompass 4 Reader power/communications cable.
4. Start the terminal emulation application.
5. Set the properties in the terminal emulation application as follows:
• Bits per second: 9600 baud
• Data bits: 8
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