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BXM T3/E3, 155, and 622 6-3
BXM Cards
A BXM card set consists of a front and back card. The BXM T3/E3 is available with a universal
BPX-T3/E3 backcard in 8 or 12 port versions. The BXM-OC3 is available with 4 or 8 port
multi-mode fiber (MMF), single mode fiber (SMF), or single mode fiber long reach (SMFLR) back
cards. The BXM-OC12 is available with 1 or 2 port SMF or SMFLR back cards,
Any of the 12 general purpose slots can be used for the BXM cards. The same backcards are used
whether the BXM ports are configured as trunks or lines. Table 6-1 and Table 6-2 list the available
front and back card options for the BXM-T3/E3, BXM-155, and BXM-622.