User manual

Table Of Contents
Setting Up the ProTalk Module PTQ-LNG Quantum / Unity Platform
Landis & Gyr Telegyr Interface Module
ProSoft Technology, Inc. Page 43 of 103
May 29, 2007
RS-422
RS-485 and RS-422 Tip
If communication in the RS-422/RS-485 mode does not work at first, despite all
attempts, try switching termination polarities. Some manufacturers interpret +/-
and A/B polarities differently.
5.2 Connect the PC to the ProTalk Configuration/Debug Port
Make sure you have exited the Quantum programming software before
performing these steps. This action will avoid serial port conflict.
1 Using the supplied Null Modem cable, connect your PC or Laptop to the
Configuration/Debug port on the ProTalk module as shown
2 Click the Windows Start button, then choose Programs ÆAccessories Æ
Communications Æ HyperTerminal.