Prontonet User’s Manual v410 10
II.3.1 Power
On the back panel you will find the main power inlet. You will also find the main
power switch and the fuse holder. The ProntoNet unit is designed to take AC
universal power, from 100 to 240 VAC with frequency between 50Hz and 60Hz.
You will also find a fuse holder that holds two fuses, one for each phase of input.
When it is necessary to replace either fuse, it is important to make sure that it
complies with the technical specifications outlined below that will ensure
adequate protection.
Fuse requirements:
Fuse type: Type T
Amps 2A
Power 250V
ATTENTION – CHANGING THE FUSE
Disconnect the power cable BEFORE changing the fuse.
24 VDC SECONDARY POWER SOURCE
THIS IS OPTIONAL AND DOES NOT COME FITTED AS STANDARD.
The unit will switch automatically from the primary power source to the
back-up power source in the event of a cut in the primary power supply.
II.3.2 Communication Interfaces
The ProntoNet is equipped with three different communication interfaces –
Ethernet, ISDN and X21. These are all accessed on the rear panel, as shown in
the following diagram:
LAN Ethernet X21
ISDN
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