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All Rights Reserved. Copyright © 2015, Yokogawa Electric Corporation
GS 33J60F55-01EN Jan. 22, 2021-00
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CONNECTING OPTICAL FIBER CABLE
The figure below shows how optical fiber cables are connected. A single mode fiber side of a mode conditioning patch
cord has to be connected to an output side of ANT421 and ANT522.
F01E.ai
Multimode optical fiber cable
Mode conditioning patch cord
ANT421
OUT
IN
IN
ANT522
OUT
Mode conditioning patch cord
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Optical fiber cable specifications
Maximum permissible optical loss
0 to 7 dB @ 1.3 μm (*1)
Optical Fiber
Type
Quartz multimode fiber
GI 50/125 (*2)
GI 62.5/125 (*3)
Transmission
bandwidth
Up to 2 km transmission distance :
200 MHz · km or over @1.3 μm (*1)
2 to 4 km · transmission distance :
400 MHz · km or over @1.3 μm (*1)
*1: In case existing optical fiber cables are used, check that these has not deviated from the specifications by aging
degradation.
*2: IEC 60793-2A1a-compliant
*3: IEC 60793-2A1b-compliant
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Mode conditioning patch cord specifications
Item
GI 62.5/125
GI 50/125
Maximum insertion loss (*1)
0.5 dB
0.5 dB
Coupled power ratio (CPR) (*1)
28 dB < CPR < 40 dB
12 dB < CPR < 20 dB
*1:
IEEE 802.3z-compliant