Battery Backup; Table 2-10 Internal Backup Battery Specifications; Table 2-9 Dtmf Address Signalling - NEC Xen Master System Hardware Manual

NEC Australia Pty Ltd
Cabinet
B64-U13 KSU
E64-U13 KSU
B48-U13 KSU
2 - 28
Nominal Low Group
Frequencies (Hz)
4.7

Battery Backup

The Xen Master system has two battery backup functions: one for
system backup and one for memory backup.
4.7.1
1.

Table 2-10 Internal Backup Battery Specifications

Battery
Specifications
12V, 2.6AH
Sealed Lead Acid
2.

Table 2-9 DTMF Address Signalling

Normal High Group Frequencies (Hz)
697
770
852
941
System Backup
The system operation is backed up by rechargeable
batteries in the event that the mains power fails. Two levels
of backup are provided.
Internal Batteries: These comes as standard with the
B64-U13 KSU, E64-U13 KSU and B48-U13 KSU and
will support all
approximately 30 minutes.
Dimensions
(mm)
178(L)x34(W)x60(H)
5mm Spade Terminals
External Batteries: These are optional and mount into
the External Battery Box. These batteries will support
all of the system functions for approximately 2 hours.
# External devices connected to the Xen System that
require an AC Adapter to operate will cease to func-
tion during a mains power failure unless they are con-
nected to their own backup power source.
Xen Master & Xen Axis
1209 1336
1 2
4 5
7 8
* 0
of the system
Quantity
2
System Specifications
1477
3
6
9
#
functions for
Replacement
Time
2.5 Years