NEC Univerge SV8100 System Hardware Manual page 126

Issue 1.0
6.7
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6.6.7 External Tone Ringer/Night Chime Output
Output Level: –10 dBm
Output Impedance: 600
Relay Contact Rating: 500 mA, 24 Vdc
6.6.8 SMDR Output
Female Connector (LAN) Standard DB-9 (straight)
6.6.9 PC Connection
Female Connector (LAN) Standard DB-9 (straight)
6.6.10 Relay Contact
All Relay Contact Ratings: 500 mA, 24Vdc
Battery Backup
The UNIVERGE SV8100/SV8300 system has battery backup functions for
system backup and for memory backup.
6.7.1 System Backup (Optional)
During a power failure, the system can be backed up using the
CHS2U BATT MTG KIT for a backup time of 10 minutes or one of the
CHS LARGE BATT SETs for a backup time ranging from 45~180
minutes.
6.7.2 Memory Backup
The CD-CP00-US Blade battery retains the Clock/Calender and Last
Number redial (LNR) buffers for each station when the CD-CP00-US
Blade encounters a power loss. With a fully charged battery, the
settings are retained for about three years. The System Programmed
memory (Customer Database) is stored in non-volatile Memory and
can be erased only by a First Initialization. After power is restored,
the system Blade returns to normal operation.
UNIVERGE SV8100/SV8300
Ω
SV8100 System Specifications