Cisco Systems 8600 Series manual BXM Capabilities, Features, T3/E3 45 Mbps/34 Mbps

BXM Capabilities

Table 6-2	BXM-T3/E3, BXM-155, and BXM-622 Back Cards
			Optical Range
Back Card	No. of		(less than or
Model Number	Ports	Description	equal to)
		T3/E3 (45 Mbps/34 Mbps)
BPX-T3/E3-BC	8/12	Universal T3/E3 backcard for	n/a
		8 or 12 port card configurations
		OC3/STM-1 (155.520 Mbps)
MMF-155-8	8	Multi-Mode Fiber	2km
MMF-155-4	4	Multi-Mode Fiber	2km
SMF-155-8	8	Single-Mode Fiber	20km
SMF-155-4	4	Single-Mode Fiber	20km
SMFLR-155-8	8	Single-Mode Fiber Long Reach	40km
SMFLR-155-4	4	Single-Mode Fiber Long Reach	40km
		OC12/STM-4 (622.08 Mbps)
SMF-622-2	2	Single-Mode Fiber	20km
SMF-622	1	Single-Mode Fiber	20km
SMFLR-622-2	2	Single-Mode Fiber Long Range	40km
SMFLR-622	1	Single-Mode Fiber Long Range	40km

BXM Capabilities

The following lists some of the major capabilities of the BXM cards:

Features

•Virtual Path (VP) as well as Virtual Circuit (VC) connections.

•Support both PVC and SVC connections.

•Connections supported per card:

— 16,000 to 32,000 connections per card depending on configuration.

•BXM, T3/E3 ATM with 8 or 12 ports, either T3 at a 44.736 Mbps rate, or E3 at a 34.368 rate.

•BXM, OC-3/STM-1 ATM: four or eight ports, with each port operating at a 155.52 Mbps rate, 353,208 cells per second (full OC-3 rate).

•BXM, OC-12/STM-4 ATM: one or two ports, with each port operating at a 622.08 Mbps rate, 1,412,830 cells per second (full OC-12 rate).

•Selective Cell Discard.

•Up to 228,300 cell ingress (receive) buffers depending on card configuration.

•Up to 228,300 cell egress (transmit) buffers depending on card configuration.

•CBR, VBR, ABR, and UBR service classes.

BXM T3/E3, 155, and 622 6-5