Appendix A Technical Specifications

FRSM-HS1/B X.21

Table A-20 ATM Cell-Related Statistics (continued)

ATM Cell Statistic

Number of cells received with CLP bit set

Number of AIS cells received

Number of FERF cells received

Number of BCM cells received

Number of end-to-end loopback cells received

Number of segment loopback cells received

Number of OAM cells discarded due to CRC-10 error

Table A-21 Diagnostic-Related Statistics

Diagnostic Statistic

Header of last cell with unknown LCN

Header of last received frame with unknown DLCI

ECN current queue depth

Table A-22 Troubleshooting Statistics

Troubleshooting Statistic

ECN current queue depth, per channel

FRSM-HS1/B X.21

Interfaces

Four X.21 lines

DCE/DTE selection on a per-port basis

As DCE, clock speeds of 48 Kbps, 56 Kbps, n x 64 Kbps up to 2 Mbps, n x 1.5 Mbps and n x 2 Mbps, up to 10 Mbps, are supported

As DTE, obtains clock from line, up to 10 Mbps

Supports 1000 DLCIs per card

Support for per-VC queueing on ingress with closed-loop traffic management

Support for two priority levels of egress port queues for data traffic

Various DCE/DTE loopbacks

 

Cisco MGX 8230 Edge Concentrator Installation and Configuration

A-16

Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001

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Cisco Systems MGX 8230 Interfaces, Diagnostic Statistic, Troubleshooting Statistic, ECN current queue depth, per channel