Selenio
TM
VMG-14+ Hardware Setup Guide
30
System Power
Gen2 Release 1.4.0
System
Power
The VMG-14+ is available either as a DC system or an AC system. The components that provide the
system power are described in the following topics:
•
•
.
Note:
There are no ON/OFF circuit breakers/switches on the VMG-14+ AC system. Once the system is
cabled and connected to the site power source, the system powers up as associated with power-
up of the source.
Circuit breakers will be provided on the DC PEMs for the VMG-14+ DC system.
AC
System
Power
An AC power system consists of four AC PEMs and four AC power supplies. Each PEM provides
AC power for the individual AC power supply units (PSUs) directly in line at the rear connection. For
normal operations, all PSUs should be present. An alarm is generated and reported at the
VMG Element
Manager
if any are removed.
The AC PEM does not contain status indicators or control features, and does not communicate with the
SCM. However, all communications with the AC power system occur between the AC PSUs the SCM.
The SCM monitors each power supply for presence and operational status. Status indicators are
provided on the AC PSU (
The VMG-14+ AC system uses Imagine Communications-supplied power cords. Ordering information
is provided in the
.
Overall input specifications per AC PSU are 209-240V, 14-10A, 12-7A, 47-63Hz.
AC
Power
Components
AC power components fit into the front and rear power bays of the VMG-14+ chassis:
•
The front power bay contains up to four AC PSUs (
•
The rear power bay contains up to four AC PEMs (
Hot Swap
Solid blue
AMP board is inactive and ready to be swapped.
Flashing blue
AMP board is activating/deactivating and unsafe to swap.
Off
AMP board is active and unsafe to swap.
Table 13.
AMP Front Panel LEDs (Continued)
LED Name
Color/Condition
Description
