User`s guide

User's Guide ______________________________________________________________________
32 __________________________________________________________________ M210455EN-B
Communication Accessory Enclosure QCA101
Communication Accessory Enclosure QCA101 houses Transmitter
WT501 equipped with Modem Module DMX501. Additionally, AC
(mains) power supply, lightning protection device, and surge arresters
are located in the enclosure. In Figure 21 on page 31 the QCA101
enclosure is shown beside the MIDAS IV PC.
The maximum communication range with Modem Module DMX501
is up to 20 km (12 mi.) with a 22 AWG standard cable.
Handheld Terminal QMD101M
9906-009
Figure 22 QMD101M Handheld Terminal
QMD101M is a lightweight, rugged and easy-to-read handheld
display device for viewing measured and calculated parameters and
systems alarms, as well as for setting station-specific parameters.