RFS INSTALLATION GUIDELINES
HYBRIFLEX
®
CABLE|603400210500|September 2020
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Page 27 of 43
Fiber interface zones, per IEC Template 613000-3-3 (for single-mode fiber)
Zone
Description
Diameter
Allowable defect
diameter
Allowable size
scratches
A
Core zone
25μm
None @200x
None @200x
B
Cladding
zone
25-
120μm
Less than 2-
5μm
,
none
> 10μm
No greater than
3μm
C
Adhesive
zone
120-
130μm
None >10μm
Any scratch ok
D
Contact
zone
130-
250μm
None> 10μm
Any scratches ok
A.
Critical zone
B.
Cladding zone
C.
Adhesive zone
D.
Contact zone