Upgrading An Internal Modem - Honeywell EK280 Applications Manual

EK280

7.1.9 Upgrading an internal modem

For the installation of an internal GSM/GPRS modem in the EK280 at a later date, please proceed as
follows.
i
The two modem modules 73023788 (GPRS)
and 73023789 (UMTS) are both ATEX and
IECEx certified and can therefore be used in
both Ex and Non-Ex applications!
Attention
The internal modem may only be retrofitted in the non-hazardous area or ex-zone 2, but not in ex-zone
0/1! Please also refer to the following table!
Application Manual
Modem assembly 73022788 (GPRS) or 73023789 (UMTS)
85