Cisco BPX 8600 Series, Руководство по установке и настройке

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Cisco BPX 8600 Series Installation and Configuration
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Chapter 5 BXM Card Sets: T3/E3, 155, and 622
BXM Backcard Connectors
The BXM-155 is available in four or eight port versions in a choice of multimode fiber (MMF),
single-mode fiber intermediate range (SMF), or single-mode fiber long range (SMFLR) backcards.
Connector information is listed in Table 5-8 and an 8-port SMF card is shown in Figure 5-6.
The BXM-STM1-4 is available in a four-port version that provides an electrical interface where the
longer line lengths provided by the BXM optical backcards are not required. Connector information is
listed in Table 5-9 and the backcard is shown in Figure 5-7.
The BXM-T3/E3 is available in eight or twelve port versions. Connector information is listed in
Table 5-10 and a 12-port T3/E3 card is shown in Figure 5-8.
For SONET APS, card redundancy is provided by the use of two standard BXM front cards and two
special backcards. The special backcards are the:
• SMF-155-4R or
•
SMF-155-8R,
• SMF LR-4R or
• SMF LR-8R,
•
SMF-622-1R or
• SMF-622-2R, or
• SMFLR-1R or
•
SMFLR--2R.
Table 5-7 BXM-622 Backcards
No. Connector Function
1 or 2 PORT Two FC connectors per port, one each for the transmit and receive
signal.
Table 5-8 BXM-155 Backcards
No. Connector Function
4 or 8 PORT One SC connector per port, accommodates both the transmit and
receive signals.
Table 5-9 BXM-STM1-EL4 Backcard
No. Connector Function
4 PORT Two SMB connectors per port, one each for the transmit and receive
signals.
Table 5-10 BXM-T3/E3 Backcards
No. Connector Function
8 or 12 PORT Two SMB connectors per port, one each for the transmit and receive
signals.