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3Com Router 6000 Family
Installation Manual
Chapter 1
Preparing for Installation
3Com Corporation
1-11
threshold, the fans are rotating only at half of the speed (50%). When a fan stops rotating, the
fan controller alarms.
The alarm and state LEDs of the FAN are located on the front panel of RPU2.
II. Appearance
The following figure shows a FAN module, taking 3Com Router 6080 for example.
Figure 1-11 FAN module (the 3Com Router 6080)
1.4.4 FICs
3Com 6000 Router Family modular routers provide FIC slots for this release and support the
following FICs:
z Router 1-Port T3 ATM FIC (3C13877)
z Router 4-Port Fractional T1 FIC (3C13821)
z Router 1-Port OC-3 POS FIC (3C13881)
z Router 1-Port OC-3 ATM SM FIC (3C13884)
z Router 1-Port OC-3 ATM SML FIC (3C13886)
z Router 1-Port 10/100/1000 FIC (3C13887)
z Router 1-Port Gigabit Ethernet Fiber FIC (3C13879)
z Router 1-Port Fractional T3 FIC (3C13889A)
z Router 1-Port 1000Base-SX SFP FIC (3CSFP91)
z Router OC3 POS SFP (3CSFP71)