Nortel Passport 15000 Hardware Description page 130

130 Chapter 3 Shelf assembly
Figure 30
Upper and lower cooling unit in a frame with air flow direction
Air filter cover
Air flow out
of the lower (rear)
cooling unit
Air filter cover
241-1501-200 5.2S2
Air flow out of the
shelf assembly
under the BIP
Air flow into the
upper (front)
cooling unit
Air flow into the
frame to the
shelf assembly
PPT 2820 041 AA