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Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter 2 Module and Service Descriptions
Processor Switching Module
BNC-2E3 Back Card
Two versions of the BNC-2E3 card are available. The BNC-2E3A applies to Australia only, and the
BNC-2E3 applies to all other sites that require E3 lines on the PXM1 uplink card. An illustration of the
two-port E3 back card appears in Figure 2-8. For specifications on this card, refer to Appendix A,
“Technical Specifications.”
Figure 2-8 Two-port E3 Back Card (BNC-2E3)
12209
BNC-2T3
SIGNAL
RX
TX
PORT 1
SIGNAL
RX
TX
PORT 2