1.Power mild does not shine
Power failure
2.LOS lighting fixtures need to have the subsequent breakdown:
(A) has a broken cable from the engine room to the client;
(B) SC pigtail is not plugged in Media Converter slots or has been disconnected.
Three.Link light does not shine there may be the subsequent:
(A) Check whether or not the fiber optic strains breaker
(B) Check whether the fiber line loss is too huge, over quite a number gadget receives
(C) Check that the fiber optic interface is well related, local TX and RX distant connection, remote TX RX nearby connection.
(D) Check the fiber optic connector is inserted into the device interface, Fiber patch twine type in shape with the tool interface, tool kind and fiber healthy, whether or not the system switch period fits the distance is undamaged.
Four. Circuit Link mild does no longer shine failure may be the following:
(A) Check whether the cable disconnection
(B) Check whether the relationship kind in shape: network cards and routers, and different gadgets use a crossover cable, switches, hubs, and other device the use of the directly line.
(C) checking gadget transfer price matches
5. Network packet loss the serious feasible failure are as follows:
(A) transceiver electric port and community device interface, or each ends of the device interface duplex mode mismatch.
(B) twisted-pair RJ-forty five head discover
(C) optical fiber connection jumper alignment device interface, pigtails and jumpers and coupler type fits.
6. Fiber Media Converter join both ends can not communicate
(A) Fibre opposite the TX and RX are linked to the optical fiber change
(B) RJ45 interface with outside gadgets no longer linked nicely (be aware that direct splicing)
Optical fiber interface (ceramic ferrule) do no longer fit, this failure is particularly pondered inside the transceiver 100M with optical mutual control feature, inclusive of APC ferrule pigtails acquired PC ferrule on the transceiver can not talk properly, but then non- the photoelectric interplay manage transceiver has no impact.
7 whilst the skip off phenomenon
(A) can be too big, for the optical path attenuation to be had optical power meter measuring the optical energy of the receiving end, ,1-2dB within the area of the scope of the receiving sensitivity variety may be notably determines the optical direction failure
(B) Switch connected to the fiber converter may be failure, the transfer changed PC, the 2 transceivers connect immediately with the PC, each ends of the PING, Failure to seem whilst the skip off phenomenon basic judgment of switch failure
(C) fiber converter can be failure at each ends of the converter then PC (now not thru a transfer), both ends of the PING no problem, from one give up to the other cease of the transfer a large file (100M) above, look at it the velocity, as the rate is very slow (less than 200M record switch for more than 15 mins) may be basic judgment transceiver failure.
Eight. Communication for a while after the crash, that can not speak returned to regular after re-starting
This phenomenon is usually as a result of a switch to exchange on all statistics received CRC errors detection and duration check, check out the error packets could be discarded, the suitable packet will be forwarded out. Some of the procedure blunders packets can't be detected within the CRC blunders detection and period checksum this packet forwarding process will now not be despatched out, it's going to no longer be discarded, they may collect within the dynamic cache (buffer), can by no means be sent accumulation in wait till the buffer is complete, it will purpose the switch to crash the phenomenon. Because transceiver restart or re-beginning switch could make conversation again to regular, so customers often suppose that the trouble of the transceiver.
9. Fiber media converter check strategies in an effort to discover the purpose of the malfunction
(A) the proximal stop of test:
Both ends of the computer on the PING PING thru that fiber media converters. Proximal test is not a failure of communique can be judged for fiber optic transceivers.
(B) Remote Test:
Both ends of the computer whether or not ordinary and fiber media converters transmit and acquire energy whether or not the allowed variety of PING, PING now not General ought to take a look at the optical course connection. PING the General Clauses show optical route connection. The hassle is to decide fault within the switch.
(C) Remote take a look at to decide the point of failure:
First one stop of the transfer, each ends of the PING if no fault may be judged via the fault of the opposite switches.
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