2 Product Introduction
u Supports collecting performance data of the ONT remotely via the network
management system to enable real-time monitoring of the network
performance.
u Supports remote fault isolation for the ONT via the network management
system. Faults can be isolated remotely according to the alarms reported to
reduce the maintenance cost.
2.4.32.4.3 Functions and Features
Table 2-10 Functions and Features of the HG6145F
Item
Description
GPON
GPON interface
specifications
Compliant with standards ITU-T G.984.1, G.984.2, G.984.3 and G.984.4.
Supports GEM encapsulation (Ethernet over GEM is supported, but ATM
encapsulation is not supported).
The GPON system adopts the single-fiber bidirectional transmission mechanism,
using the TDMA mode with the wavelength 1310 nm in the uplink direction, and the
broadcast mode with the wavelength 1490 nm in the downlink direction.
Supports the embedded OAM message, PLOAM message and OMCI message.
Supports the splicing of data packets and OMCI protocol packets in the uplink
direction. Splicing with adaptive message length and that with fixed length are
supported.
GEM Port
Supports bearing the downlink broadcast packets and unknown multicast packets
via the broadcast GEM port.
Supports mapping from GEM ports to T-CONTs.
Supports multiple flow mapping modes.
Supports the GEM port loopback.
T-CONT
Supports T-CONTs of Type 1 to Type 5.
A T-CONT supports no less than 64 GEM ports.
Supports eight T-CONTs.
DBA
Supports DBA in the SR and NSR modes.
Supports DBA Piggy-back DBRu Mode 0.
FEC
Supports bi-directional FEC: downlink FEC decoding and uplink FEC encoding.
Supports downlink FEC performance statistics.
Encryption
Supports encryption of downlink unicast data channel.
Supports the AES-128 encryption algorithm.
Supports generation of the key and response to the OLT's request for key.
Version: A
11
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