2 Product Functions and Features
2.1 GPON Features
l Compliance with ITU-T G.984 GPON Recommendations
l Class B+ optical power budget
l A maximum upstream rate of 1.244 Gbit/s and downstream rate of 2.488 Gbit/s at the GPON
physical layer
l GEM encapsulation mode
l 8 T-CONTs with up to 32 GEM ports
l GEM port to T-CONT mapping
l Multiple traffic mapping modes:
– Mapping from VLAN to GEM port
– Mapping from PRI to GEM port
– Mapping from Ethernet port to GEM port
– Mapping from VLAN+PRI to GEM port
– Mapping from Ethernet port+VLAN to GEM port
– Mapping from Ethernet port+PRI to GEM port
– Mapping from Ethernet port+VLAN+PRI to GEM port
– Mapping from IPToS to GEM port
l Dynamic Bandwidth Assignment (DBA)
l Forward error correction (FEC) function in the upstream and downstream directions
l Embedded OAM, physical layer OAM (PLOAM), and OMCI
l 128-bit advanced encryption standard (AES) in the downstream direction
l Authentication modes of SN, password, and SN+password
l Deactivation/Activation and re-register of the ONT
l Loopback test based on the GEM port
2.2 Ethernet Features
EchoLife HG8245T GPON Terminal
Product Description 2 Product Functions and Features
Issue 03 (2012-07-13) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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