38 — CyberPower CyberShield CS 36 PSU/BBU unit data sheet
38-4 July 2008 Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06
ONT Product Information Manual Edition 01 3FE 51892 AAAA TCZZA
Two user controls buttons are present on the front of the BBU; see Figure 38-1 and
Table 38-3.
Table 38-3 BBU user controls
Note
(1)
This operating mode is reserved for emergency use only and will shorten the life of the backup
battery if used excessively.
38.5 Alarms
The BBU is equipped with intelligent internal diagnostics that provide power supply
alarm information. Open collector opto-isolators isolate the alarm signals, which are
present on the 9-pin power and alarm connector. The service provider can monitor
these alarm signals to isolate problems and take corrective action.
Table 38-4 describes the BBU alarms and identifies the power and alarm connector
pins.
Table 38-4 Alarm signal and output levels
BBU LEDs
Auxiliary
Power
Source
Green Auxiliary power source is connected —
Replace
Battery
Red Battery missing or failed self test and
needs replacement
—
Battery
Power
Green On Battery —
Flashing green Low capacity —
System
Status
Green Normal operation —
Name Type Description
Alarm Silence Push button Audible alarms are silenced for 24 hours.
Battery
Emergency Use
Push button The remaining 50% battery power will be used.
(1)
Name Color Description Audible alarm
(2 of 2)
Signal Pin Description
ON BATTERY 6 The on-battery alarm indicates ac power interrupt
meaning that the BBU is operating using the backup
battery.
REPLACE BATTERY 7 The replace-battery alarm indicates that the battery is
either discharged, or has failed the self test.
Replace the battery if there is a failure.
(1 of 2)
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