
| Router Model and Structure | 9 | 
| Router Model and | 3Com 6000 Routers include 3Com 6040, and 6080. These models are similar in | ||
| Structure | chassis structure and layout. They use the  | ||
| 
 | card insertion and can be mounted in  | ||
| 6040 Components | The 6040 has five slots on the front panel. Slot 0 is used for the main control unit, | ||
| 
 | and slots 1 through 4 are used for FICs. | ||
| 
 | Two PSUs, working in 1+1 backup mode, can be installed in 6040 from the rear of | ||
| 
 | the chassis. The PSUs provide AC power. The fan module is located at the left rear. | ||
| 
 | Both PSU and fan module are hot swappable. | ||
| 
 | 6040 Front Panel | 
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| 
 | The following illustration details the components of the front panel of the 3Com | ||
| 
 | Router 6040. | 
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| 
 | Figure 1 Front Panel of the 3Com Router 6040 | ||
| 
 | (1) | (2) | (3) | 
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| (4) | (5) | (6) | 
1.RPU Slot 0
2.FIC Slot 1
3.FIC Slot 2
4.FIC Slot 3
5.FIC Slot 4
6.