Long/Short
Long
Communication Distance
7
According to the communication and line loss between two telephones, you must choose the appropriate
communication distance.
The optical fiber telephone has two modes, remote communication and near field communication. When
the line loss is more than 20dB, you must use remote
mode. The maximum communication range of remote
mode is 120km. When one side is using optical fiber
holder, you must use remote mode too. The maximum
communication range is 60km. When the line loss is
less than 20dB, you must turn off remote mode, or will
cause howling and lead to no communication. The
maximum NFC distance is 60km.
Pressing
Button, you can switch between
remote communication mode and near field communication mode.
ON/OFF
POWER
BATT-LO
LONG
Optical Talk Set
The divides into (A) Type and (B) Type
,
only (A) Type connects with (B) Type
and can converse normally,
if (A) and (A) or (B) and (B) connection,
will not be able to converse.
ATTENTION:
B
Long/Short
CALL
Volume
Long
ON/OFF
Long/Short
CALL
Volume
Long
