Nortel Networks OPTera Metro 3500 - Manual (Page 259)

Hardware feature descriptions 3-31
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Figure 3-8
DS1 29-84 Front I/O module (NTN452EA)
EX0765p
Figure 3-9
BNC 12-Port Front I/O module (NTN452JA)
EX1065p
In (DS1 29-56)
Lock/eject lever
Out (DS1 29-56)
Out (DS1 57-84)
In (DS1 57-84)
Out
In
Out
In
Out
In
Out
In
Out
In
Out
In
Locking/eject
lever
Port 1
Port 5
Port 9 Port 8
Port 4
Port 12