Beijing Huahuan Electronics Co., Ltd
Huahuan
- 10 - H0EL-EthMux V8 User Manual V1.1
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Fig.3.1-1 Mechanical dimensions
3.2
Electrical
3.2.1
Power connection
The H0EL-EthMux V8 consumes less than 10W of power.
According to power option,
-48V DC or 220V (110V) AC or dual power supply
, select the
right power supply for the equipment. For the -48V type, connect -48 supply to the
power connector -48V port, and ground to the other port. The screws on the power
connector must be tightly fastened. For ~220V equipment, connect the device to the
~220V outlet with standard power cord supplied with the equipment. Note that
there is a 1A fuse in the ~220V socket which may be replaced when burned. The
-48V equipment uses PPTC resettable fuse, no customer replacement is required.
It is recommended to turn off the power switch before connecting or
disconnecting the power.
On the left corner of rear panel, a screw is used for connecting the chassis to the
protective ground. Be sure to make this connection using a thick wire.
WARNING
: The system must be securely connected to a good protective
ground for safety. All interconnected equipment must be grounded for
maintaining signal integrity as well. Ground potential may also damage the
interface ports.
WARNING
: To avoid electric shock, the ~220V outlet must have good
ground.
3.2.2
E1 connections
The E1 ports on H0EL-EthMux V8 are used for connecting to E1 equipment
such as the telephone exchange or PCM terminals.
Eight E1 Ports Supported. E1 ports impendence are E1-
120Ω
for twisted
pair cables or 75Ω for coax.
The E1-
120Ω RJ45 sockets are default for ports.
The E1-
120Ω
connection cable is made with RJ45 connectors and a length of
Summary of Contents for H0EL-EthMux V8
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