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DBS 576HD (USA) issued September 2001
576-50-700
Chapter 7. SLT Features
Section 700 - Operation
Battery Backup
Description
When backup batteries are installed, the System will continue to operate in the event of a power
failure. If using Battery Backup, backup batteries must be installed in each cabinet.
A fully loaded System will operate at least 15 minutes with the DBS 576HD.
Hardware Requirements
•
Back-up battery unit (VB-44026)
Related Programming
•
N/A
Considerations
•
Any device connected to the System but that does not derive its power from the System must
have a backup power source to operate. These devices include any System Message Detail
Recording (SMDR) printer (or recorder), fax machine, answering machine, modem, cordless
telephone, etc.
Call Progress Tones
Description
The System supplies a full array of call progress tones. These tones provide audible indications of the
status of calls and include dial tone, busy tone, ringback tone, error tone, confirmation tone, and
splash tone. The complete specification for these tones may be found in
Section 300 - Installation
.
In addition to call progress tones, Direct Station Select (DSS) LEDs and the display provide
additional indication of the status of calls.
Hardware Requirements
•
N/A
Related Programming
•
N/A
Considerations
•
N/A