Function and Feature Remarks
Supported traffic types
l CBR
l UBR
l UBR+
l rt-VBR
l nrt-VBR
Number of supported ATM
connections
(VPC and VCC included)
256 remote connections
128 local connections
Number of supported ATM
services
64
Encapsulates ATM VPC/VCC service to the PWE3 in the N-to-1
(N≤32) or 1-to-1 format.
Encapsulates the ATM cells to the PW in the concatenation and
non-concatenation modes. The number of PW connections that
support the cell concatenation is 64, and the maximum number of
concatenated cells is 31.
CES Number of supported CES
services
16
Supported emulation mode CESoPSN
SAToP
Supports the timeslot compression function. Provides the vacant
64 kbit/s timeslot suppression function for the CES services in the
CESoPSN mode to save the transmission bandwidth.
The jitter compensation buffer time of the CES service can be set.
The jitter buffer time ranges from 2 ms to 8 ms.
The packet loading time of the CES service can be set. The
encapsulation buffer time ranges from 1 ms to 3 ms.
ML-PPP Number of supported ML-PPP
groups
8
Maximum number of links
supported by each ML-PPP
group
16
Functions as the UNI interface to access IP packets of the L3VPN
services.
5.7.3 Working Principle and Signal Flow
The AND3ML1A/AND3ML1B mainly consists of the service access module, service
processing module, management module, clock module, and power supply module.
ATN 950B Multi-service Access Equipment
Hardware Description 5 Physical Interface Card
Issue 03 (2012-07-23) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
69
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