16E1+4ETH Optical Multiplexer
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4.6 Hot line phone
Please connect to telephone set. For point-to-point application, when off-
hook at any side, the other one will ring. Then the user at the other side should
also off-hook to answer.
4.9 Power supply
Dual power supply: AC220V and DC-48V
：
AC220V socket: input voltage range AC 100V
～
260V
；
Please insert
power wire as the attachment;
DC-48V socket: input voltage DC-36V ~-72V. If the power of DC-48V is
used, the positive and negative terminal can be optional because there is the
self-test circuit for the polarity inside the optical multiplexer.
Normal Connect way
“FG”
connect earth
；
“-48V”
connect the power negative
；
“+48V”
connect the power positive
；
