Nortel Networks OPTera Metro 3500 - Manual (Page 258)

3-30 Hardware feature descriptions
OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Figure 3-6
DS1 1-28 Front I/O module (NTN452AA)
EX0769p
Figure 3-7
DS1 29-56 Front I/O module (NTN452CA)
EX1004t
Out (DS1 1-28)
In (DS1 1-28)
Lock/eject lever
Out (DS1 29-56)
In (DS1 29-56)
Lock/eject lever