Maintenance; Specifications; Table 5. Specifications - ADTRAN QDFR Unit Installation And Maintenance Practice

MAINTENANCE

The QDFR does not require routine maintenance for normal operation. In case of equipment
malfunction, use the rear panel bantam jack connectors to help locate the source of the
problem. ADTRAN does not recommend that repairs be attempted in the field. Repair services
may be obtained by returning the defective unit to ADTRAN. Refer to
for further information.

SPECIFICATIONS

Specifications for the QDFR are detailed in
Specification
Maximum Power Dissipation:
61181307L7-5E

Table 5. Specifications

Environmental
Operating Temperature:
Storage Temperature:
Relative Humidity:
Input Voltage Range:
Maximum Current:
Dimensions:
Weight:
Mounting:
Optical (QDFR)
Fiber Type:
Wave Length:
Optical Budget:
Output Optical Power (P):
Receive Level:
Connector:
Connectors (QDFR)
T1 interface:
Fiber:
Compliance
Agency Approvals:
Part Number
Quad Fiber Remote:
Table 5.
–40°C to +65°C
–40°C to +85°C
95 percent maximum @ 50°C, noncondensing
Power
–24 VDC to –48 VDC input
90 mA –48 VDC
4.32 watts
Physical
Height: 1.8 inches
Width: 8.0 inches
Depth: 9.0 inches
2.5 pounds
Wallmount or Desktop
Single mode
1310 nm receive and 1550 nm transmit
17 ±1 dB
–14 dBm < P < –8 dBm
–31 ±1 dBm (worst case)
Single SC connector
RJ-48C
Flat SC adapter
UL 60950
1181307L7
Maintenance
"Appendix C, Warranty"
Description
27