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Quad Fiber Remote (QDFR) Unit Installation and Maintenance Practice
2 61181307L7-5E
Features
The QDFR provides the following features:
• Software provisionable via menu access (no onboard switches)
• Front panel indicators for the following:
– Optical port status
– T1 status for all channels
– Loopback status
–Test port operation
• Operation over extended temperature range of –40°C to +65°C
• Optical interface consisting of a single mode transceiver module comprised of a single fiber
transmitter and an SC receptacle
• Optical interface port support for flat SC-type optical connectors
• Single fiber optical interface
• Operating wavelengths:
– 1310 nm for the receiver
– 1550 nm for the transmitter
Compliance
The QDFR is NRTL listed to UL 60950. The QDFR is compliant to IEC-60825 Class 1 and is
also compliant with 21CFR 1040.10 and 1040.11 except for deviations pursuant to Laser
Notice No. 50, dated July 26, 2001. The QDFR is intended for use in restricted access
locations only.
Table 1 provides compliance codes for the QDFR.
The DS1 interfaces for the QDFR are to be connected to intra-building wiring only.
CAUTION
Per GR-1089-CORE October 2002, Section 9, this system is
designed and intended only for installation in a DC-C (common)
Bonding and Grounding system. It is not intended or designed for
installation in a DC-I (isolated) Bonding and Grounding system.
Table 1. Compliance Codes
Code Input Output
Power Code (PC) F C
Telecommunication Code (TC) – –
Installation Code (IC) A –