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ONU (Optical Network Unit) is the user equipment of EPON. 
It can end the operation from OLT (Optical Line Terminal) by PON and  provide all kinds of broadband services cooperated with OLT.

ONU is configured and managed remotely by OLT.

HA7200D ONU is cost effective customer device with a 100Mbps ethernet interface and a 1000Mbps ethernet interface,
special designed for FTTH (Fiber to the House) and FTTB (Fiber to the Building). It supplies 1G bandwidth to business users and residential users.

4.1 A7200D ONU installation

4.1.1 Structure of front panel

Outside power

Figure 4-1 front panel of HA7200D (outside power)

Built-in power

Figure 4-2 front panel of HA7200D ONU（built-in power） 

4.1.2 Structure of back panel
HA7200D ONU with Outside power consulted to figure 2-3; built-in power consulted to figure 2-4.

4.2 HA7200D ONU Technical Specification

Operation	Function support
Wavelength	1310（TX）/1490（RX）
Max transmission distance	20 km
MAC Table	64
Space of buffer storage	1.25MB
Number of LLID	1～8? (configured)
MTBF	100,000 hours
EPON trait	Support IEEE802.3ah Support Dynamic Bandwidth Allocation (DBA) Support ONU auto-searching and automatic allocation (real-time operation)
Standard and Protocol	Support IEE802.3、IEEE 802.3u、IEEE802.3ab Support IEEE802.1q WLAN Support IEEE802.1p QOS
Network management	Cooperated with centre OLT, implement management configuration and software upgrade to ONU

4.3 HA7200D ONU parameters

Parameter	Specification
Power Module	DC5V/1A（outside power）or AC220V/DC-48V（built-in power）
Power consumption	3.5W
Operating temperature	-10～55℃
Storage temperature	-40～70℃
Humidity	5‰～90‰ non-condensing
Dimension	26mm(H)*109mm(W)*152mm(D) / height*width*depth（outside power） 38mm(H)*218mm(W)*176mm(D) / height*width*depth（built-in power）