On/Off/Bs Buttons; Rear Panel - Nortel 10 Installation And Reference Manual

Book.book Page 22 Thursday, April 19, 2001 4:21 PM
22 Chapter 1 Introduction

On/Off/BS buttons

You can use the On, Off, and BS buttons on the front panel of the UPS module in
the BayStack 10 PSU to turn power on or off, or to disable the alarm.
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Rear panel

The rear panel of the BayStack 10 PSU chassis contains the following sections:
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Pressing the On button for a minimum of 3 seconds turns on power to the
fans, modules, and battery charger.
Pressing the On and Off buttons for a minimum of 3 seconds simultaneously
turns off the unit. This feature prevents you from turning off the unit
accidentally.
The alarm sounds when any error listed in
determine which error code is displayed, and refer to the table to identify the
specific error. Press the BS (buzzer shutdown) button for up to 3 seconds to
turn the alarm off.
Note: The On, Off, and BS buttons are for the UPS only. The RPS units
(power supplies) and its fans are connected directly to utility power. You
do not have to disconnect utility power to install/remove a power supply
unit in the back because these are hot-swappable. You must disconnect
utility power to fully turn RPS off.
Four slots for the RPS modules are provided in the right section.The power
supply modules fit into these slots, in any combination. Available power
supply modules are:
— 136 W AC/DC Power Supply Module
— 200 W AC/DC Power Supply Module
Components in the left section depend on whether you are installing a
controller module or a UPS.
Table 3 occurs. Read the LED to