
2002 Amphenol Corp. 7/02 Printed in U.S.A.
www.amphenol-fiberoptics.com
sales@amphenol-fiberoptics.com
Customer Service 800-944-6446
Amphenol’s 953 series fiber optic ST and ST II connectors
utilize a bayonet style mating concept to provide a secure,
robust coupling mechanism.
The enclosed spiral slotted
coupling nut allows easy insertion in densely packed patch
panels. The ST connector has been used extensively in
telecom, data and premise installation applications and could
easily be considered a de facto standard. The ST’s mass
installation base will maintain its prominence for years to come.
Amphenol’s ST compatible connectors are exceptionally suited
for factory and field installations. Special attention has been
given to every ST performance parameter, increasing product
repeatability and exceeding industry standards.
All ST
products are compatible with the AT&T, ST and ST II product
series.
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The ST connector body and coupling nut are
precision molded with a flame retardant, glass-
filled polymer for a durable and light weight
product.
The ST II connector body and coupling nut are
precision zinc die-cast and nickel plated for superi-
or strength and corrosion resistance.
Available with highly concentric precision zirconia
ferrules pre-radiused to minimize insertion loss and
back reflection.
The connectors utilize a crimp-on cable retention
system for ease of termination and superior load
carrying ability.
Adapters are available with zirconia or phosphor
bronze alignment sleeves.
Features
ST Connector & Adapter Family
Common Specifications
ST Connectors and Adapters
Insertion Loss: < 0.15dB typical, singlemode, UPC
< 0.35dB typical, multimode
Return Loss:
super
(SPC)
< -45dB*
ultra
(UPC) < -55dB*
Durability:
< 0.2dB change, 500 mating cycles
Temperature: < 0.3dB change, -40 to +85C
Intermateability:
The Amphenol 953 series ST connectors and adapters
are optically and mechanically compatible with
AT&T/Lucent Technologies ST and ST II connectors and
their functional equivalents.
* Performance is polish dependent.