Nortel Passport 15000, Hardware Installation And Maintenance, Page: 27 / 874

Contents 27
Passport 15000, 20000 Hardware Installation, Maintenance, and Upgrade 5.2S2
Figure 271 Location and orientation of the fans on an upper (front)
or lower (rear) cooling unit 684
Figure 272 Location of the fuse on fan controller NTHR10AA 685
Figure 273 Location of the fan controllers inside an NTHR51AA or
NTHR52AA cooling unit 688
Figure 274 Location of the fan controllers inside a cooling unit
NTHR52AB 689
Figure 275 Location of the fan controllers inside a cooling unit
NTHR51AB 690
Figure 276 Fan controller connections on an NTHR10AB 691
Figure 277 Upper transportation pockets for card latches 696
Figure 278 Lower transportation pockets for card latches 697
Figure 279 Orientation of a standard kickplate to the base of a
NEBS 2000 frame 699
Figure 280 A standard kickplate 700
Figure 281 Location of the mounting screws of a lower (front)
cooling unit 703
Figure 282 Balanced multiport aggregate device NT0486 705
Figure 283 Unbalanced multiport aggregate device NT0421 706
Figure 284 Connection points of the PIM cables 709
Figure 285 The polyvalent power-and-ground assembly
A0834143 712
Figure 286 The ETSI power-and-ground assembly A0834149 713
Figure 287 Location of the rear plug-in hardware 717
Figure 288 An upper shelf assembly of a Passport 15000, front
isometric view 718
Figure 289 An upper shelf assembly of a Passport 20000, front
isometric view 719
Figure 290 An upper shelf assembly of a Passport 20000, rear
isometric view 720
Figure 291 Physical characteristics of a front shelf filler panel 723
Figure 292 Side panels, exploded view 726
Figure 293 Extended side panels, exploded view 727
Figure 294 Location of the temperature sensor bracket
assembly 731
Figure 295 A temperature sensor bracket assembly 732
Figure 296 Location of upper temperature sensors 734
Figure 297 A temperature sensor on the bracket assembly
NTHR68AA for a cooling unit NTHR52AA 735
Figure 298 A temperature sensor on the bracket assembly
NTHR68AB for a cooling unit NTHR52AB 736