Verilink WANsuite 7205 (34-00317.B) Product Manual - Manual (Page 26)

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Power Options
Three shelf options for mounting the WANsuite 7205 are described below:
• Multi-line shelf (MLS 2000 and 2200 series) holds 13 application
modules and 2 modular power supplies (AC or DC)
•
Quint-line shelf (QLS 2500) holds five modules and contains an internal
AC or DC power supply. This shelf is a stand-alone unit.
• Dual-line shelf (DLS 2100) holds two modules and is powered by
external powers supplies. (Verilink offers a universal AC/DC power
supply, as well as an internal redundant 24-VDC power option.)
Power Failure
If the POWER indicator does not illuminate, check the rack power connections
and the primary AC circuit breaker.
The WANsuite 7205 provides non -volatile memory retention of the unit
configuration in case of a power failure. This feature allows the unit to
automatically restore normal service and retain pre-existing time and date
information following a power loss.