Nortel Passport 15000 Hardware Description page 149

For CP3 connectors, see the figure "Faceplate of a CP3 with PEC NTHW06
or NTHW08" (page 151).
Note: Earlier versions of the NTHW06 and NTHW08 CP3 cards include
the unused P4 port connector. In later versions, this feature has been
removed.
For the description of the LEDs on the faceplate, see "Status LEDs of a CP"
(page 357).
Chapter 4 Control and function processors 149
Passport 15000, 20000 Hardware Description 5.2S2