Table 5-7 Bxm-622 Backcards; Table 5-8 Bxm-155 Backcards; Table 5-9 Bxm-Stm1-El4 Backcard; Table 5-10 Bxm-T3/E3 Backcards - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

BXM Backcard Connectors
Table 5-7
No.
1 or 2 PORT
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.
Table 5-8
No.
4 or 8 PORT
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.
Table 5-9
No.
4
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.

Table 5-10 BXM-T3/E3 Backcards

No.
8 or 12 PORT
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.
•
Cisco BPX 8600 Series Installation and Configuration
5-14
BXM-622 Backcards
Connector Function
Two FC connectors per port, one each for the transmit and receive
signal.
BXM-155 Backcards
Connector Function
One SC connector per port, accommodates both the transmit and
receive signals.
BXM-STM1-EL4 Backcard
Connector Function
PORT Two SMB connectors per port, one each for the transmit and receive
signals.
Connector Function
Two SMB connectors per port, one each for the transmit and receive
signals.
Chapter 5 BXM Card Sets: T3/E3, 155, and 622
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001