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Installation and User Manual
A — 786-174010-00 B00
A4 Available Options
NMC (Network Management Card) option
This option is a communications card for supervision and protection of a three-phase device. Each UPS can be
equipped with a maximum of four NMC communications cards.
Optional communications card with additional power relay
The UPS is already equipped with a relay communications card. But it is possible, with this option, to add another
card with programmable power-relay functions.
Optional serial communications card
This option is an RS232 or RS485 serial communications card operating under the JBUS protocol.
AS4I option
This option consists of a low-power relay card for shut-off and scheduling functions.
Multislot option
This option consists of communications cards to concentrate the communication of two parallel-connected UPSs.
External synchronization module option
With this option, a SYNIN communications card and two circuit breakers are added to each UPS unit. The external
synchronization module issues a reference frequency used to synchronize the UPS units.
CAUTION Check the different input/output signal levels (LV, ELV, SELV) on the optional
communication cards (4) and use appropriate wiring.
Appendices