Nortel Networks OPTera Metro 3500 - Manual (Page 261)

Hardware feature descriptions 3-33
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Figure 3-12
DS1 29-56 Front Enhanced I/O module (NTN452CH)
EX1152p
Figure 3-13
DS1 29-84 Front Enhanced I/O module (NTN452EH)
EX1153p
In (DS1 29-56)
Out (DS1 29-56)
Lock/eject
lever
Out (DS1 29-56)
Out (DS1 57-84)
In (DS1 57-84)
In (DS1 29-56)
Lock eject
lever