NEC Electra Elite IPK - External Tone Ringer;Night Chime Output

Electra Elite IPK Document Revision 4
General Description Manual 5 - 19
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10.4 External Tone Ringer/Night Chime Output
H Output Level: –10 dBm
H Output Impedance: 600 Ω
H Relay Contact Rating: 500 mA, 24 Vdc
10.5 SMDR Output
H Female Connector (System Output) Standard DB-9 (straight)
10.6 PC Connection
H Female Connector (System Output) Standard DB-9 (straight)
10.7 Relay Contact
H All Relay Contact Ratings: 500 mA, 24Vdc
SECTION 11 BATTERY BACKUP
The Electra Elite IPK system has battery backup functions for system backup and for
memory backup.
11.1 System Backup
During a power failure, the system is backed up using a rechargeable battery.
This battery backup supports all system operations for approximately 30
minutes.
11.2 Memory Backup
The CPUI( )-U( ) ETU has a battery installed to provide backup of system
memory. When the battery is fully charged, system memory (programmed
data) is retained for approximately 21 days.