Technical Specifications; Environmental Specifications; Mechanical Specifications; Removing And Replacing A Dfm - Cisco ONS 15200 Handbook

Technical Specifications

The DFM is passive and does not include alarm or supervisory subunit functions. In addition,
Note
front-panel indicators, connectors, or adjustments are not associated with the DFM.
9.2 Technical Specifications
This section provides environmental and mechanical specifications for the DFM. The DFM is a passive
device. Optical and electrical specifications and default thresholds do not apply.

9.2.1 Environmental Specifications

Table 9-1
Table 9-1
Item
Normal operating temperature
Short term operating temperature
for equipment shelves
(acc. to GR-63, NEBS level 3)
Rate of temperature chnage
Normal operating relative humidity
Short term operating relative humidity
(acc. to GR-63, NEBS level 3)

9.2.2 Mechanical Specifications

Table 9-2
Table 9-2
Item
Height
Width
Depth
Weight

9.3 Removing and Replacing a DFM

This section explains how to remove and replace the DFM. Install the DFM in the passive optical shelf.
Make sure the replacement module and any supplies, such as tagging materials, are present on site before
beginning the removal and replacement procedures. See
Cisco ONS 15200 Module Handbook
9-2
lists environmental specifications for the DFM during operating conditions.
DFM Environmental Specifications
lists DFM mechanical specifications.
DFM Mechanical Specifications
Specification
+5°C to +40°C (41°F to 104°F)
-5°C to +55°C (23°F to 131°F)
30°C/h (54°F/h)
5 to 85%, but not to exceed 0.024 kg water per kg dry air
5 to 90%, but not to exceed 0.024 kg water per kg dry air
Specification
133 mm (5.2 in.)
10 mm (0.4 in.)
236 mm (9.3 in.)
0.12 kg (0.26 lbs.)
Figure 9-2 for DFM placement in the shelf.
Chapter 9 Dummy Filter Module
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