363-206-305
Technical Specifications
10-64
Issue 3 June 2000
DDM-2000 Narrowband Shelf
Specifications
10
Physical Specifications
10
Narrowband Shelf Physical Characteristics
10
■
Dimensions: 9.65 in. H x 8.03 in. W x 11.93 in. D
■
Weight (Max.): 20 lb. (9 kg)
■
Appearance: Coordinated with other equipment in the Lucent 2000 Product
Family
Power Requirements
10
Shelf Fuses
10
Up to four
−
48 V feeders (A and B) are required for each DDM-2000 FiberReach
shelf. Each shelf power is protected by 3-amp fuses provided with the shelf.
Power Dissipation
10
Table 10-28 lists the power dissipation and current drains for the listed
configurations for the narrowband shelf. The maximum current drain can be
calculated for any configuration by dividing the total power dissipation by 40 V (the
minimum battery voltage).
Table 10-28. Power Dissipation - Narrowband Shelf
Configuration
Power
Dissipation
DDM-2000 FiberReach NBS with DSXBIU, CDTU, RGU, and
PCU (No Channel Units)
14 Watts*
Maximum power available to CUs in narrowband shelf. This
power is allocated among different CUs based on the
following data for power requirement per channel unit.‡
SPQ909 - 4.0 Watts AUA159C - 3.2 Watts
AUA94 - 1.7 Watts AUA58C - 3.1 Watts
AUA53 - 1.9 Watts AUA150 - 3.3 Watts
SPQ400 -6.0 Watts SPQ440B - 6.1 Watts
SPQ443 - 6.5 Watts SPQ494 - 4.7 Watts§
37 Watts†
See footnotes at end of table.
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