15.2 Communication adapter: SNMP
The SNMP adapter integrates the UPS into a network and communicates via
TCP/IP, Telnet or FTP. After assigning an individual IP-address, the UPS can
be accessed from any location, which is of particular interest for remote admin-
istration and maintenance of the equipment.
Fig. 15-2 SNMP adapter for connecting the UPS to a network.
The SNMP adapter can easily be slid into the adapter slot (INTELLIGENT
SLOT, SNMP) of the UPS device and only has to be connected with a network
cable.
For additional information about this product and the associated software,
please contact our sales and service center.
15.3 External by-pass
An external by-pass system allows the operation of the loads in two different
paths. In UPS operating mode (Fig. 15-3), the UPS system is integrated into the
current path and the loads are protected in the usual manner. In by-pass mode
(Fig. 15-4), the loads are directly connected to the mains power supply and the
UPS input and output are isolated.
In this case, maintenance and service tasks on the UPS or the accumulator
bank can be performed faster and safer.
On rare occasions, the UPS or its components can also be replaced without in-
terrupting the loads. Furthermore, the application of an external by-pass enables
an economical and clear installation of the UPS device.
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