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4.1.5

Optical Link Monitoring and Diagnosis



The optical module diagnostic monitoring interface monitors the parameters

including operating temperature of the optical module, supply voltage, bias current,

transmission power, receiving power, etc.



ONT long-time light emitting detection and auto shutdown.



Turn on or off the power supply of the optical transmitter under the control of the

OLT.

4.2

Wi-Fi Function

The Wi-Fi function provides an easy, convenient, flexible, and low-cost method for the

users to access the internet via the wireless LAN network. The Wi-Fi function complies

with IEEE802.11n (2x2) and offers a maximum PHY layer link rate of 300 Mb/s.



Frequency: 2.4 GHz



IEEE802.11b, IEEE802.11g, and IEEE802.11n compliant



Auto and manual channel selection



Auto and manual rate control



Transmission power control



Four SSIDs



Maximum 32 users



SSID broadcast enabling/disabling function



Access control based on MAC address



Shared key authentication and 128-bit WEP authentication



WPA-PSK, WPA2-PSK, WPA-PSK + WPA2-PSK and WPA2-Enterprise security

authentication

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

WPS



WMM



Maximum TX power up to 100mW



Two External antennas

4.3

VoIP Function



SIP and H.248 compliant



Support in-band DTMF tone sending/receiving and out-band DTMF signaling

with RTP, as per RFC2833



32ms echo cancellation



G.711 a/u law, G.729, and G.722 coding/encoding algorithm



Voice Activity Detectors (VAD) and Comfort Noise Generation (CNG)



T.30 fax: fax transparent transmission (uncontrolled, RTCP control, and SS control)



T.38 fax



Supplementary services: caller ID display, call waiting, call forwarding, call transfer,

three way calling, etc

4.4

USB Function



One USB host interface



Full-speed and high-speed USB 2.0 interface



USB fast file backup, fast recovery.

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4.5

Data Forwarding Function

4.5.1

MAC Address Function



MAC address learning



MAC address aging



MAC address learning enable/disable



MAC address learning limit



MAC address binding to a user port. Only controls the input side of the port.



Anti-MAC transferring (spoofing)



Forbids the MAC addresses learned from a user port to be transferred to other

user port before aging.



Forbids the MAC addresses learned from uplink port to be transferred to the

user port.



MAC filtering



Both the source and destination MAC addresses support the blacklist and the

whitelist function.

4.5.2

VLAN Function



IEEE 802.1q VLAN with the VLAN ID from 1 to 4094



VLAN tagging/untagging on the user port



VLAN overwrite function on the user port



1:1 mapping between the user port (physical port or logical port) and VLAN



VLAN-based data forwarding



VLAN-based packet filtering

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

VLAN untagged mode, tagged mode and double tagged mode



VLAN tag



Adds S-Tag to the untagged or priority tagged frames from the user port as per

the needs.



Adds C-Tag and S-Tag to the untagged or priority tagged frames from the user

port as per the needs.

4.6

QoS Function



Service flow rate limit based on the user port, service flow, and GEM port



Upstream service flow classification based on the physical port and source MAC

address, destination MAC address, VLAN ID, VLAN priority level (IEEE802.1D),

Ethernet type (such as IP, PPPoE, ARP/RARP), destination IP address, source IP

address, IP protocol type (TCP, UDP, ICMP, IGMP), IP DSCP, and TCP/UDP



Ethernet priority level tagging of the upstream services based on the DSCP value



Ingress rate limit



Egress shaping

4.7

Multicast Function



IGMP v1/v2 Snooping



Multicast group per LAN port is 256



Fast leave time, which is the time since user terminal sends an IGMP leave

message to the ONU equipment stops the multicast data packet, is less than 20ms.



Support MVLAN

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4.8

L3 Function



Data forwarding and routing



Bridging, routing, or hybrid mode (bridging and routing)



Static routing



RIP v1/v2 dynamic routing



Address management



DHCP Server/Client



PPPoE Client/Pass Through



DNS Client/Relay



SNTP client



NAT



ALG function: achieves H.323, SIP, FTP, SNMP, SMTP, Netmeeting, PPTP, L2TP,

IPSec, RTSP private network traversal function; provides separate switches for

each ALG function.

4.9

IPv6 Function



IPv6 protocol packets transparent transmission



IPv4/IPv6 Dual Stack (Only support Internet and IPTV application, but not support

VoIP and TR069 application.)



IGMP protocol packets transparent transmission



MLD v1 and MLD snooping



IPv6 DS-Lite