Introduction
61287802F1-34B
13
Revision B
In the upstream direction transmission of data must be coordinated between each ONT to
avoid collisions due to the shared media of the optical distribution network (ODN). Data is
transmitted according to control mechanisms configured in the OLT. The aggregate upstream
rate is 1.25 Gbps.
Figure 1. ONT front panel (NID Enclosure is shown for reference only)
The ONT is a Class 1 Laser Product.
2.2 Features
The basic features of the GPON 452/454 include the following:
■ Box-in-box, weatherproof and access controlling construction
■ Entry ports for fiber, power, ground, Ethernet, and telephone
■ Reports four alarms from the UPS power supply
■ Supports 1.25 Gbps upstream and 2.5 Gbps downstream GPON application as per
ITU-T G.984.2 specification
■ Data services supported by two/four 10/100/1000Base-T Ethernet interfaces
■ Basic telephone service supported by two/four POTS interfaces
■ 12 VDC power supply
RING
POTS1
POTS2
TIP
TELCO ACCESS
ETH 2
ETH 1
ETH 4
ETH 3
GPON 454 1287802F1
12V , 1.25A
TELEPHONE TROUBLESHOOTING
1. Identify the bad line.
2. Disconnect the plug from the appropriate POTS jack and plug
any working telephone into that jack.
If the telephone works, there is a problem inside the house.
If the telephone does not work, contact your service provider.
3. Remove the telephone and replace the plug into the POTS jack.
4. Close the unit.
This device is intended to be attached to a receiver that is not used to
receive over-the-air broadcast signals. Connection of this device in any
other fashion may cause harmful interference to radio communications
ans is in violation of the FCC Rules, part 15.
CLEI
TEL. NUMBER
PWR
GPON
POTS1
POTS2
CLASS 1 LASER
PRODUCT