July 2003
NEC Business Solutions Ltd
122 – B4
Battery Backup - System Memory
Doc. No. 8
201 - Re
lease 1.0
July 2003
Battery backup on the CPUI( )-U( ) ETU Unit retains memory for the
following functions:
1. System Program
2. Night Transfer Status
3. Call Forwarding
4. Callback Request
5. Speed Dial Memories (System/Station)
6. Clock/Calendar
7. Do Not Disturb (DND)
8. Save and Repeat
9. Store and Repeat
10. Last Number Redial
11. Message Waiting
12. Microphone Status
13. Station Lock (Set and Password)
14. Timed Alarm
15. Customised Message
16. Voice Mail Message
17. Feature Access and One-Touch Keys
18. Volume Set Level
19. Automatic Attendant Mode
20. Automatic Trunk-to-Trunk Transfer Mode
21. General Purpose Relay setting
During normal operation, the batteries are continually recharged via a
built-in charging circuit.
The backup battery on the CPUI( )-U( ) ETU should be replaced
every 2 years. Refer to the Xen IPK System Hardware manual for
further details.
RELATED
FEATURES LIST
Feature
Number
Feature Name
B-5
Battery Backup - System Power