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Chapter 2: Installation and Configuration 9
Chapter 2: Installation and Configuration
Hardware Overview
Figure 2.1 shows the front of a CCM1640.
Figure 2.1: CCM1640 Front View
The lower left area of the front panel contains the following LEDs and buttons:
• The POWER LED illuminates when the CCM is connected to a power source.
• The ONLINE LED illuminates steadily (not blinking) when the CCM
self-test and initialization procedures complete successfully.
• The LINK LED illuminates when the CCM establishes a connection to
the network.
• The TRAFFIC LED blinks when there is network traffi c.
• The 100MBps LED illuminates when the CCM is connected to a 100
MBps LAN.
• The RESET button, when pressed, reboots the CCM.
• The INIT button, when pressed, restores the CCM to factory defaults. See
Reinitializing the CCM in this chapter.
Figure 2.2 shows the back panel of a CCM1640.
Figure 2.2: CCM1640 Back Panel
The back panel contains:
• 8 (CCM840) or 16 (CCM1640) RJ-45 connectors for serial cabling
• A LAN connector for a 10BaseT or 100BaseT interface cable
• The AC line cord connector