10
2. Box(Phone) have to install a forward
resistance (150 Ohm). The terminal resistance
has to install in the line of latest HW-5056.
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You have to install two resistance ( 150 Ohm) in the whole line.
3. 4P or 6P is available only ( Line).
4. The output of PC port can changed by software.
5. The line must use insulating line. Please do not use the traditional
line to avoid the bad transmission.