Nortel Networks 3500, NTRN10AN manual Common modules, Left OAM Loam NTN451MA, NTN451MH

Hardware feature descriptions 3-37

Figure 3-20

BNC 12-Port Rear I/O module (NTN452KA)

EX1155p

Lock/eject
lever	Out
	Port 1
Out	In
Port 4	Out
In	Port 5
Out	In
Port 8	Out
In	Port 9
Out	In
Port 12
In
Alignment
tab

Common modules

OPTera Metro 3500 Shelf and the OPTera Metro 3500 Universal Shelf support replaceable common modules in Table 3-5 on page 3-28.

Left OAM (LOAM) (NTN451MA, NTN451MH)

The LOAM supports the following:

•RS-232 terminal

•building-integrated timing supply (BITS)

•telemetry byte-oriented serial (TBOS) protocol

•environmental alarms

•shelf alarms

•X.25 terminal

•ILAN

•central office LAN (COLAN)

The LOAM attaches to the LIF and hinges out to face the front of the OPTera Metro 3500 Shelf. See Figure 3-21for the details of the LOAM.

See Table 3-3 on page 3-6for operational temperature ranges.

Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004