Emerald ICE Installation & Hardware Reference Manual
2-3
System
Design
2
An
optional
battery
charger
card
is
available
for
connection
with
the
power
supply.
This
card
is
mounted
on
the
power
supply
voltage
regulator
using
3
supplied
standoffs.
It
provides
a
third
‐
party
24
volt,
lead
‐
acid
battery
with
.4
amps
of
constant
current.
Relays
on
the
battery
charger
card
detect
voltages
over
24
volts
to
deactivate
charging,
while
activating
charging
for
voltages
less
than
24
volts.
Figure 2-3
Battery
Charger
2.3
Battery Charger Board (Optional)
To Battery
To Power Supply
Manual Shutoff
Summary of Contents for EMERALD ICE
Page 1: ...Emerald ICE Digital Key Telephone System TM Installation Maintenance Manual...
Page 3: ......
Page 19: ...xiv Emerald ICE Installation Programming Maintenance Manual TC...
Page 70: ...Emerald ICE Installation Programming Maintenance Manual 3 13 Installation 3...
Page 71: ...3 14 Emerald ICE Installation Programming Maintenance Manual Installation 3...
Page 77: ...3 20 Emerald ICE Installation Programming Maintenance Manual Installation 3...
Page 89: ...4 12 Emerald ICE Installation Programming Maintenance Manual Basic Programming 4...
Page 181: ...6 32 Emerald ICE Installation Programming Maintenance Manual Phone Trunk Programming 02 6...
Page 454: ...Appendix A Door Phone Installation Appendix A Door Phone Installation...
Page 455: ......
Page 464: ...Appendix B Feature Codes Appendix B Feature Codes...
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