2: Introduction
EMG™ Edge Management Gateway User Guide 34
Figure 2-12 EMG 8500 LTE Cellular Modem Module
Wi-Fi
The EMG 8500 is equipped with two user swappable connectivity slots on the back of the unit.
One Wi-Fi module may be installed in either connectivity slot. See Connectivity Module Installation
on page 50. The EMG 7500 is offered with the option of a pre-installed Wi-Fi module. See Figure
2-7.
The Wi-Fi module supports two antennas, labeled as Wi-Fi 1 and Wi-Fi 2. Both should be installed
for proper operation.
Dialup Modem
The EMG 8500 is equipped with two user swappable connectivity slots on the back of the unit.
One analog dialup modem module may be installed in either connectivity slot. See Connectivity
Module Installation on page 50. The EMG 7500 is offered with the option of a pre-installed analog
dialup modem module.
Connectivity Modules
User-replaceable connectivity modules apply to EMG 8500 only. Connectivity modules on the
EMG 7500 cannot be replaced by the user.
EMG 8500 provides two slots for user replaceable connectivity modules to be installed on the back
of the unit. When installing the connectivity modules, they can be populated or swapped in any
order. One or both of the slots can be empty. The connectivity modules must only be installed on
the back of the unit, never in the I/O slots on the front.
Warning: The EMG must be powered off when installing or replacing the modules.
Not powering off the device before changing the module will void the
manufacturer warranty.
LTE cellular module
SIM card
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