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6-12 Cisco BPX 8600 Series Reference
Card Operation
BXM, Backcard Connectors
The BXM backcards connect to the BXM front cards through the StrataBus midplane.
The BXM-622 is available in one or two port versions in either a single-mode fiber intermediate
range (SMF) or a single-mode fiber long range (SMFLR) backcard. Connector information is listed
in Table 6-5 and a 2-port SMF card is shown in Figure 6-5.
Table 6-5 BXM-622 Backcards
The BXM-155 is available in four or eight port versions in a choice of multi-mode fiber (MMF),
single-mode fiber intermediate range (SMF), or single-mode fiber long range (SMFLR) backcards.
Connector information is listed in Table 6-6 and an 8-port SMF card is shown in Figure 6-6.
Table 6-6 BXM-155 Backcards
The BXM-T3/E3 is available in eight or twelve port versions. Connector information is listed in
Table 6-7 and a 12-port T3/E3 card is shown in Figure 6-7.
Table 6-7 BXM-T3/E3 Backcards
No. Connector Function
1 or 2 PORT Two FC connectors per port, one each for the transmit and receive signal.
No. Connector Function
4 or 8 PORT One SC connector per port, accommodates both the transmit and receive signals.
No. Connector Function
8 or 12 PORT Two SMB connectors per port, one each for the transmit and receive signals.