Bxm Functional Description; Operation In Port (Uni) Mode; Figure 5-11 Bxm Aps Redundant Frame Assembly - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

BXM Functional Description

Figure 5-11 BXM APS Redundant Frame Assembly

BXM Functional Description
This functional description provides an overview of BXM operation.

Operation in Port (UNI) Mode

This section is an overview of operation when the BXM card's ports are configured in port (access)
mode for connection to customer equipment.
The ingress flow of ATM cells from CPE into a BXM port when the card is configured for port (access)
operation is shown in Figure 5-12.
ATM cells from the customer premise equipment are:
•
•
•
•
Cisco BPX 8600 Series Installation and Configuration
5-22
Processed at the physical interface level by the SUNI (OC-3/OC-12) or Mux/Demux (T3/E3),
Served out via the BPX Backplane to the BPX crosspoint switch in an order of priority based on
their connection type
Policed per individual VC by the RCMP and
Routed to applicable ingress queues
Chapter 5
Nylon standoffs
APS redundant
backplane
connector
Nylon standoffs
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
BXM Card Sets: T3/E3, 155, and 622