Nortel Networks OPTera Metro 3500 - Manual (Page 248)

3-20 Hardware feature descriptions
OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
16 Extended network processor (NPx), Intershelf LAN (ILAN)
17 Protection switch extender (PSX)
Note 1: DS1 interfaces are supported on shelves equipped with VTX-series circuit packs.
Note 2: OC12x4 STS and OC48 STS interfaces supported on shelves equipped with STX-192 circuit
packs.
Note 3: The 2x1000SX (2xGigE) and 2x1000LX (2xGigE) are double-width circuit packs that are
inserted into and provisioned for the odd-slot number that they occupy. That is, each 2xGigE circuit pack
occupies 2 slots as follows: slot 3 and 4, slot 5 and 6, slot 7 and 8, slot 9 and 10.
Note 4: OC-12 interface in slots 11 and 12 supported with shelves equipped with VTX-48e circuit packs.
Note 5: OC-48 STS, OC-192 STS and OC-192 DWDM G.709 FEC interfaces supported on shelves
equipped with STX-192 circuit packs.
Note 6: Refer to equipping rules for each circuit pack in this chapter.
Table 3-4 (continued)
Shelf slots and supported circuit packs
Slot Circuit pack (see Note 6 )