AT&T 76450 manual See Figure

Common Systems Connection Standards	AT&T Services, Inc
Date: August 31, 2007	ATT-TP-76450, Issue 9

5.7Minimum Distance Between Connector Housing and 90 Degree Bend

Minimum Fiber distance away from a connector housing to bend 90 degrees shall be 3.75- inches. See Figure 5–1.

Figure 5-1

3	.5"
"
.
0	1
D
i
a
meter

Radius

3.75"

2.25"

1.5" Radius

5.8Space Between Door/Panel and Fiber Connector

To avoid pinching or reduction of minimum fiber bend radius the minimum distance between the fiber connector and any door/panel cover shall be a minimum of 3.75 inches.

See Figure 5-1

5.9Standard Fiber Connector

The AT&T standard fiber connector shall be SC-UPC single mode or LC-UPC single mode type connector. Application of connector type shall be determined by equip design or manufacturer.

5.10 Alternative FTTP Fiber Connector

The AT&T alternative fiber connector for FTTP shall be SC-APC, SingleMode, 8-degree, keyed type connector.

5.11 FiberOptic Cable Mode

•Central Office fiber optic cable shall be SingleMode.

•Customer Premises or IXC fiber optic cable may be SingleMode or Multimode.

•SONET services fiber optic cable shall be SingleMode.

5.12 Fiber Transmission Material

Fiber transmission material shall be glass, not plastic or any other material not specifically pre- approved by AT&T NP&E Staff.

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