23. DM4000 GPC-DCM ..........................................................................................................................86
23.1. Overview .................................................................................................................................86
23.2. Front Panel Description...........................................................................................................87
24. Fan Board ...........................................................................................................................................88
24.1. Description ..............................................................................................................................88
24.2. Air Flow ..................................................................................................................................89
24.2.1. DM4004 and DM4008 Chassis ..................................................................................89
25. Installation Guide ..............................................................................................................................91
25.1. Installation Kit.........................................................................................................................91
25.2. Powering the Switch ...............................................................................................................92
25.2.1. Cables .........................................................................................................................94
25.3. Installing the FAN Module in the Chassis ..............................................................................96
25.4. Removing the FAN Module of the Chassis.............................................................................97
25.5. Inserting the Interface Board in the Chassis ...........................................................................98
25.6. SFP Module...........................................................................................................................100
25.6.1. Connecting a SFP Module........................................................................................101
25.6.2. Removing SFP Modules...........................................................................................102
25.6.3. Transceivers Homologation Check...........................................................................103
A. Cable DB9-RJ-45 ..............................................................................................................................104
A.1. Construction ...........................................................................................................................104
B. Optical Amplifiers .............................................................................................................................106
B.1. How to connect an optical amplifier and a interface board ....................................................106
C. Applicable Standards........................................................................................................................107
C.1. Applicable Standards for DM4000 family .............................................................................107
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