Voice Broadband Optical Multiplexer
User
Manual
11
11. Do not point the optical header toward eyes, lest that laser injures the
retina.
4.2 Inspection upon Unpacking
After unpacking the product, inspect the type, quantity and condition of
device and accessories inside according to the list of contents specified in
this manual. Contact the Company or its distributors and agencies
immediately should abnormal circumstances arise.
4.3 Power Supply
Check the power supply of the device. The power input
should be configured in accordance with related requirements.
Pay particular attention to the voltage and polarity if the power
supply is DC.
Before you plug and unplug the power cable,
please disconnect the power supply. Connect the power
supply again after operation. And use the equipment under
the operating condition required in the manual.
4.4 Test
The following tests should be conducted before use:
1. After the device is powered up correctly, check whether
PWR, LOS, E1L1, E1L2, E1L3, E1L4 and SYS are on, and the
rest LED indicators are off.
4.5 Configuration and Connection
If indicators work correctly as described in 5.4, turn off the
power, configure operating modes based on the overall
requirements of network environment, plug on E1 cable and
optical fibers, and then turn on the power. The device will enter
into normal operation.
If the device fails to work properly as described in 4.4, see
failure diagnoses and troubleshooting section of the manual. If
the failure still exists, contact the Company or its distributors and
agencies immediately.