How exclude optical transceiver failure

First look at optical transceiver or optical modules and twisted pair port LEDs light has been lit? a, such as the transceiver optical port (FX) indicator does not light, to determine whether cross-linked fiber link? fiber jumpers one is connected in parallel; the other end is a cross-connect.

First look at optical transceiver or optical modules and twisted pair port LEDs light has been lit?
a, such as the transceiver optical port (FX) indicator does not light, to determine whether cross-linked fiber link? fiber jumpers one is connected in parallel; the other end is a cross-connect.


b, such as A transceiver optical port (FX) light, B transceiver optical port (FX) indicator is not lit, the fault in the end transceivers A: One possibility is: A transceiver (TX) optical transmitter mouth has been bad, because B transceiver optical port (RX) receiving optical signals; Another possibility is: A transceiver (TX) port of the optical transmitter optical fiber link of this problem (cable or light jumper may be broken).
c, twisted pair (TP) indicator is not lit, make sure the connection is wrong or twisted pair connection is wrong? please test with continuity tester (although some of the twisted pair transceiver to be so light chain fiber Road turn after the light).
d, some transceiver has two RJ45 ports: (ToHUB) that connect the switch cable is a direct line; (ToNode) that connect the switch cable is crossover cable.
e, the side has some hair MPR switch: switch the cable that is connected through-line; DTE switch: switch cable is connected cross-line.



(B), optical cable, optical fiber jumper has broken?
a, fiber-off detection: The laser flashlight, sun, light against the cable connector or coupling a ray; at the other end to see if there is visible light? If visible light is that cable is not broken.
b, optical fiber connections off detection: The laser flashlight, sunlight and other optical fiber jumper in front of a ray; at the other end to see if there is visible light? If there is no visible light indicates that the fiber-optic jumper off.

(C), half / full duplex mode is wrong?


Some of the side FDX transceiver switch: that full-duplex; HDX switch: that half-duplex.

(D), with optical power meter instrumentation
Optical transceiver or optical modules under normal circumstances, the luminous power: Multi-mode:-10db - 18db between; single 20 km:-8db - 15db between; single-mode 60 km:-5db - 12db between ; If the power light-emitting optical fiber transceiver in:-30db - 45db between, then the transceiver can determine the problem.

Candy
SHENZHEN KSTCABLE CO,.LTD
QQ:1798083537
MSN:chinaoptic@hotmail.com
Email:liaoyuxiang@chinaopticcable.com
Web_site:http://www.chinaopticcable.com


Contact Details

Company Name: Shenzhen Kstcable Co., Ltd
Issued By: candy
Phone: 18928465228
Address: 801#,University-Zone Chuangyeyuan ,Lishan Road ,Nanshan district, Shenzhen, China.
City: shenzhen
State: guangdong
Zip: 518055
Country: United States
Website: Visit the website

Keywords : fiber optic cable, optical fiber cable,

by candy (few years ago!)

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