Recognition Systems HandPunch 1000, Manual

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HandPunch 1000 Manual
Page 59
End of Line
Termination
Termination helps to ensure clean data signals are transmitted through the
network wiring. Termination is applied to the end-of-line (EOL) HandPunch in
the network daisy-chain. The factory default setting is for EOL termination to be
disabled – switches 1 and 2 OFF. Refer to Figure 12-8 on page 58 for switch ON/
OFF positioning.
• To enable EOL termination at a HandPunch, both switches 1 and 2 must be
ON.
• To disable EOL termination at a HandPunch, both switches 1 and 2 must be
OFF.
EOL Termination must be enabled for:
• A single HandPunch terminal installation.
• In a Modem to PC network the HandPunch terminal with the Modem option
(for communication with the host computer).
Communi-
cation
Method
The factory default setting and for standard operation, switch 3 must be OFF.
• Switch 3 must always be OFF.
Erasing
HandPunch
Memory
The erase memory function can perform either or both of the following:
• Erase a HandPunch’s configuration data.
• Erase a HandPunch’s user database and transaction buffer.
The factory default setting (and normal operation setting) is for switches 4 and 5
to be OFF, retaining memory.
If the HandPunch is equipped with the battery backup option, remove shunt J7
in front of the DIP switch array (see Figure 12-4 on page 55) before proceeding.
Replace shunt J7 after completion of the following steps.
Erasing the
HandPunch
Setup
Perform the following steps to erase the configuration data but retain the user
database.
1. With system power OFF, set switch 4 ON.
2. Turn system power ON and wait for HandPunch boot information to appear
on the display.
3. Turn switch 4 OFF.
NOTE