
AsGa LD ONU 500
User Guide
Introduction
5
1.1 Front Panel (ONU-500 and 500-S)
The following pictures shows the front and rear panel fo ONU 500 and ONU 500-S
Figure 1.1
: Front Panel.
Led
Number
Lead Meaning
Led indications
1
Power Led
Blinking: System is in booting process.
No blinking: the system has booted
2
GPON Port Status Led
O1[INITIAL ] STATE - without Link PON; off
O2[STANDBY ] STATE
– with Link PON;blinking 1hz; ONU waits
for network parameters
O3[SERIAL N.] STATE
– with Link PON;blinking 4h; ONU waits for
serial number requests
O4[RANGING ] STATE
– with Link PON; blinking 4hz; ONU waits
for ranging requests
O5[OPERATION] STATE
– with Link PON; ON; ONU
receive and transmits data
O6[POPUP ] STATE
– with Link PON; blinking 4hz; ONU
asserts LOS/LOF
O7[Emer.Stop] STATE
– with Link PON;blinking 4h; ONU stops
transmiting data in U/S until enabled by OLT
3
Giga
Bit
interface
number one Status
Led
ON: with Link
OFF: Without Link
4
Giga
Bit
interface
number two Status
Led
ON: with Link
OFF: Without Link