|
|
|
|
|
|
|
|
|
DataSafe(TM); Extended range |
x |
x |
. |
. |
x |
. |
. |
. |
DataSafe(TM) |
x |
x |
x |
. |
x |
x |
x |
x |
Data lockout protection |
x |
. |
. |
. |
x |
. |
. |
. |
Data lockout override |
x |
. |
. |
. |
x |
. |
. |
. |
DSL/POTS filtering technology |
x |
x |
. |
. |
x |
. |
. |
. |
Low/high voltage indication |
x |
x |
. |
. |
x |
. |
. |
. |
Low current (mA) indication |
x |
x |
. |
. |
x |
. |
. |
. |
Over voltage protection |
x |
x |
x |
x |
x |
x |
x |
. |
Over current protection |
x |
x |
x |
x |
x |
x |
x |
. |
Two-way speakerphone |
x |
x |
x |
. |
. |
. |
. |
. |
One-way amplified speaker |
x |
x |
x |
x |
x |
. |
. |
. |
Audible ringer for callbacks |
x |
x |
x |
x |
x |
x |
x |
x |
Waterproof |
x |
x |
. |
. |
. |
. |
. |
. |
DropSafe(TM) |
x |
x |
x |
x |
. |
x |
x |
. |
RainSafe(TM) |
x |
x |
x |
x |
. |
x |
x |
. |
Meets Bellcore specifications |
x |
x |
x |
x |
. |
x |
x |
. |
Tone and pulse operation |
x |
x |
x |
x |
x |
x |
x |
x |
Polarity indication in talk mode |
x |
x |
x |
x |
x |
x |
x |
x |
PBX pause button |
x |
x |
x |
x |
x |
. |
. |
. |
Stores nine 18-digit numbers |
x |
x |
x |
x |
x |
. |
. |
. |
Replaceable 9V battery |
x |
x |
x |
x |
x |
. |
. |
. |