Comcast 1310nm TX, Руководство пользователя

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1310nm TX
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10) Laser switching key: used to control the working status of laser. “ON”
means the laser is open and “OFF” means the laser is closed. Ensure the key is
on “OFF” position before power on. After passing self
-test, rotate the key to
“ON” position according to the displayed message.
11) RF input signal test port: -20dB test port of the rear panel RF input port.
5.2 Rear Panel Description
1. RF signal input.
2. RS232 interface (Console): Used for configuring the network
management parameters.
3. LAN interface: correspond with IEEE802.3 10Base-T, used for network
management.
4. Optical signal output: This interface is the optical signal output port of
the device. The connector type is FC/APC. There is an invisible laser
beam from this port while working normal. So the port should not be
aligned to human body or naked eye to avoid accidental injury.
5. Power input 1(Reserved port, configured dual power or not is decided
by the user).
6. Power input 2.
7. Ground stud of the chassis: used for the connection of the device and
ground wire.
8. Fan outlet.