BYC-C4 Interface Converters
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The length of E1 coaxial cable shall be no more than 200M - 300M. The transmission time delay between each E1
line shall be no more than 8ms.
7. Trouble shooting
Phenomenon
Cause
Solution
Abnormal power supply
Power supply doesn’t comply with the
requirement.
Replace a power supply.
Power switch is off
Turn on the power switch
Power junction stud is loosing
Screw it
E1 link Malfunction
Value of the impedance doesn’t match with the
E1 interface.
Check the impedance setup of the
equipment which is connected with
INV-4E1.
E1 interface has been wrongly connected.
Connect it in a correct way.
Malfunction of the connected equipment
Ensure the equipment which is
connected with INV-4E1 is working
normally.
Ethernet port malfunction
The manufacture of network access line is not
according to standard sequence.
Make sure the network access line is
produced according to the standard
sequence.
Malfunction of uplink equipment or working
status
Make sure the setup of the uplink
equipment or working status is ok.
8. Accessories
Description Quantity
INV-4E1 converter
1
User manual
1
BNC/RJ-45 8/4
AC power cord
1(only for AC type)
6
