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6.1.3 Troubleshooting

The table below, according to the LEDs status, identifies a possible cause and describes the procedure to fix the problem.

LED

State

Probable Cause

Solution

POWER (A2)

OFF

ONT 769503-SFU not

powered

Verify that the DC power jack is correctly con-

nected to the ONT 769503-SFU and the power

adapter at the wall power socket.

ETHERNET (Left) (A6)

OFF

ETHERNET cable not

connected correctly

Verify that the ETHERNET cable is correctly con-

nected to the ONT 769503-SFU’s ETHERNET Port

and to the WAN Port at the Home Gateway (and

not to a LAN Port for e.g.). Use another Ethernet

cable

GPON LINK (A3)

OFF

Anomaly in the optical

fiber signal

Verify that the optical cable is correctly connected

to the ONT 769503-SFU’s internal optical port and

to the optical wall socket. Verify that the fiber is

intact, it is clean, without cuts, scratches or bends.

AUTH (A4)

OFF

GPON LINK (A3)

ONT 769503-SFU deac-

tivated by the network

administrator

Contact the technical support.

AUTH (A4)

OFF

CATV (A5)

OFF

CATV deactive at the

ONT 769503-SFU

Contact the technical support.

GPON LINK (A3)

Blinking

Authentication Error at

the ONT 769503-SFU

Contact the technical support.

AUTH (A4)

OFF or

Blinking

Table 6-4: ONT 769503-SFU troubleshooting

Содержание 769503

Страница 1: ...GPON ONT STANDARD EN User s Manual w w w t e l e v e s c o m Ref 769503 ...

Страница 2: ......

Страница 3: ... Interfaces 23 3 2 Optical Metering 24 3 3 Wavelenght Filtering 24 3 4 GPON Ethernet characteristics 25 3 5 GPON management 25 3 6 RF TV Channel slicing characteristics 26 3 7 General Features 26 3 8 Standards 27 4 Setup 28 4 1 Before installing your ONT device 28 4 2 How to Setup your ONT 28 4 3 Interface connection 30 4 3 1 ONT 769503 SFU 30 4 3 2 ONT 769503 4GE 2FXS 33 4 3 3 ONT 769503 MBH 35 5...

Страница 4: ... 769503 SFU 39 6 1 1 Status 39 6 1 2 Final checks 40 6 1 3 Troubleshooting 41 6 2 ONT 769503 4GE 2FXS 42 6 2 1 Status 42 6 2 2 Final checks 43 6 2 3 Troubleshooting 43 6 3 ONT 769503 MBH 44 6 3 1 Status 44 6 3 2 Final Checks 45 6 3 3 Troubleshooting 45 7 Glossary of Terms and Abbreviations 45 ...

Страница 5: ...EN 5 ...

Страница 6: ... together with the support for bit rates of up to 2 5 Gbps downstream and 1 24 Gbps upstream a splitting ratio of up to 1 64 in a single fiber and a distance range of up to 60 km make the GPON technology and the ONT the most efficient option for passive optical network topologies Together with multi vendor OLT interoperabily BBF 247 certified other differenciated features of the ONT product family...

Страница 7: ...ices Broadband service applications are commonly referred as below High speed internet HSI Voice VoIP services SIP MEGACO H 248 TV whether IPTV or analog RF video overlay Mobile Backhaul The multiplay environment is thus reinforced when combining the upper reffered services 2 1 1 Application Scenario The Figure 2 1 shows possible bridging scenarios for ONT equipment when in an end to end PON archi...

Страница 8: ...U T G 984 4 and ITU T G 988 OSS EMS OLT ONT RGW STB OMCI Network Topology OLT ONT Management TL1 SNMP Figure 2 2 Link Layer Configuration and Management IP based services configuration and management is achieved by means of the TR 069 protocol as defined by Broadband Forum This procedure takes for granted that previously the link layer connectivity has been achieved TR 069 is then transparent to t...

Страница 9: ...pically 1 64 A PON consists of an optical line terminal OLT at the central office and a number of optical network terminals ONT at the customer premises Downstream signals are broadcasted to all premises sharing multiple fibers Encryption can prevent eavesdropping Upstream signals are com bined using a multiple access protocol Time Division Multiple Access TDMA The OLT queues data to the various O...

Страница 10: ...rt and each GEM port has a VLAN identifier and an 802 1p priority level The ONT classifies the traffic depending on the VLAN and the marked priority and routes it over the corresponding T CONT GEM port Thus for frame multiplexing GEM and T CONT ports are used for uplink while the downlink only use the GEM ports feature The CPE architecture is shown in Figure 2 6 Figure 2 6 CPE architecture Interne...

Страница 11: ... or multicast video transmission from the IP PON transmission link Within the ONT RF Video Overlay feature implementation is also an option to deliver a flavoured TV channel pack service by the use of a group of embeeded RF analog filters that can be remotely managed NMS in order to enable each individual commercial TV Channel pack Figure 2 7 Band pass filters for premium channel service Remote co...

Страница 12: ... bandwidth demand of the mobile backhaul networks to support 3G 4G services PON networks are a natural op tion for its access component ONT also supports this mobile backhaul service by mean of a Layer 2 bridging communication channel Depending on the interconnection of the mobile backhaul network architecture ONT transports mobile data traffic over a defined combination ofVLAN GEM PORT T CONT Thi...

Страница 13: ...ocation DBA The DBA Dynamic Bandwidth Allocation is available in order to optimize the upstream bandwidth This mechanism consists in defining an ad equate T CONT to the service traffic in question There are five types of T CONT defined by the Fixed Assured and Maximum Parameters Type 1 Only fixed Bandwidth Type 2 Only Assured Bandwidth Type 3 Assured Maximum Bandwidth Type 4 Only Maximum Bandwidth...

Страница 14: ... 244Gbps upstream by using an SC APC protected optical connector 2 1 5 2 Ethernet Ethernet is the wired LAN technology and is revised in the IEEE 802 3 standard At the OSI reference system Ethernet is at the Data Link layer In the ONT equipment the LAN type of physical interface is 10 100 1000BASE T AUTO MIX Ethernet type over RJ45 conectors 2 1 5 3 RF Overlay Broadcast video signal travels over f...

Страница 15: ...88 32 2488 32 Receiving wavelength nm 1480 1500 1480 1500 Max reflectance of equipment measured at Rx wave length dB 20 20 Bit error ratio 10 10 10 10 Minimum sensitivity dBm 27 30 Minimum overload dBm 8 8 Upstream optical penalty dB 0 5 0 5 Consecutive identical digit immunity bit 72 72 Tolerance to reflected optical power dB 10 10 ONT Rx Video Receiving wavelength nm 1550 1560 Table 3 1 Optical ...

Страница 16: ...nd GPON over the same fiber the CO requires a WDM filter that combines the downstream signal 1490 nm 1555 nm and 1577 nm isolating the 1310 nm and 1270 nm upstream signal with the video signal Also the wavelength of 1650 nm used for fiber monitoring has to be handled In addition ONT devices require the use of a triplexer type transceiver that include an integrated filter or a discrete WDM filter t...

Страница 17: ...SINGLE PORT ONT start in case the software download fails to enable a new software update 3 5 GPON management The system supports the configuration according to the recommendations described in ITU T G 984 G 988 and BBF TR 156 Specifically the next functionalities are obtained via OMCI for diagnostic counters and alarms ONT configuration checking of the services provisioned Acquisition of the phys...

Страница 18: ...ry Power Connection VAC 1 230 50Hz 2Hz 230 50Hz 2Hz 230 50Hz 2Hz Power Supply W 8 4 model B 7 model D E 15 8 MTBF h 200000 190000 250000 Size mm 210x210x40 210x210x40 240x420x136 Temperature C 5 to 70 5 to 70 5 to 70 Humidity 0 to 95 0 to 95 0 to 95 NOTES 1 An LPS power source is used to power the ONT equipment US Canada The ONT must be powered by an external Listed Limited Power Source LPS or Cla...

Страница 19: ...1000 4 3 EN61000 4 4 Operating Limits Temperature EN300019 Relative humidity maximum EN300019 Environmental Standards Acoustic noise ISO 3743 45dBa Power and Grounding ETSI ETS 300 253 January 1995 ETSI EN 300 132 2 V2 1 1 2003 01 Optical Safety ALS Automatic Laser Shutdown Safety and Protection EN IEC 60950 1 Mechanical Resistance EN300019 Quality CE Conformité Européenne Certification BBF 247 G ...

Страница 20: ... fibre is switched off 4 2 How to Setup your ONT The ONT may be installed horizontally on a flat surface wall mounted and ETSI rack ONT 769503 MBH quick steps for both of these setups are described below Wall mount Remove the ONT lower cover MountthecoveronthewallusingtwoscrewsinsertedintothemountingsshowninFigure41 c Thelowermountingisusedtoregulate the spatial orientation of the box The space be...

Страница 21: ... will not move Close the ON Figure 4 13 Optical cable installation Horizontal mount ETSI rack Remove the ONT cover Mount the equipment on a ETSI 19 rack using the 4 supplied screws Place the optical patchcord SC PC termination in the rack fiber accomodation structure in order to promote a correct cabling manage ment up to the equipment optical interface connector Place the electrical CAT5E etherne...

Страница 22: ...t the Ethernet UTP CAT5E C1 cable direct or crossover from the ONT 769503 SFU Ethernet port B1 to the Home Gateway s WAN port B6 Figure 4 16 ONT 769503 SFU interfaces connection 2 WAN interface Connect the coaxial RF cable C2 from the F type connector B2 on the ONT 769503 SFU to the RF input of a TV or the RF input of the local CATV network Figure 4 17 ONT 769503 SFU interfaces connection 3 RF Ove...

Страница 23: ... and con nect the adapter to a 230V AC electrical socket Figure 4 18 ONT 769503 SFU interfaces connection 5 Power Interface 4 3 1 1 General Overview of ONT 769503 SFU Connections The following figure shows the connections to be made between the ONT 769503 SFU and the Home Gateway Figure 4 19 ONT 769503 SFU connections ...

Страница 24: ...Optical Cable with SC APC Connector GPON Notes 1 Optional Depends on the ONT 769503 SFU model Table 4 1 ONT 769503 SFU connectors and cables 4 3 2 ONT 769503 4GE 2FXS Connect the optical cable C4 from the ONT 769503 4GE 2FXS to the optical socket Figure 4 20 ONT 769503 4GE 2FXS interfaces connection 1 PON Interface Connect the Ethernet UTP CAT5E C1 cable direct or crossover from the ONT 769503 4GE...

Страница 25: ...hone cable C2 to one of the RJ11 FXS ports on the ONT 769503 4GE 2FXS B3 to a telephone fax Figure 4 23 ONT 769503 4GE 2FXS interfaces connection 5 FXS Interface Connect the DC connector from the supplied C5 converter 230V AC 12V DC to the DC input on the ONT 769503 4GE 2FXS B5 and connect the adapter to a 230V AC electrical socket Press the ON OFF button B4 to power on the device Figure 4 24 ONT ...

Страница 26: ...ype B2 4x RJ45 Ports 10 100 1000Base T Ethernet with AUTO MDIX B3 2x RJ11 FXS Ports B4 ON OFF button B5 12V DC Power Supply Connector B6 LAN RJ45 Ports Home Gateway B7 WAN RJ45 Port Home Gateway C1 Ethernet Cable UTP CAT5E cable direct or crossover C2 RJ11 Telephone cable C3 Cable with F type Connectors Coaxial 75 Ohm C4 Single mode Optical Cable with SC APC Connector GPON C5 12V DC Adapter Notes ...

Страница 27: ...RJ45 Port 10 100 1000Base T Ethernet with AUTO MDIX B2 SC APC ONT s Internal Connector B3 48VDC TRIDENT Power Connector a B4 48VDC TRIDENT Power Connector b C1 Ethernet UTP CAT5E Cable straight or crossover C2 Single mode Optical Cable with SC APC Connector GPON C3 Trifilar power cord C4 Trifilar power cord Figure 4 28 ONT 769503 MBH connectors and cables ...

Страница 28: ...a software image Each state is defined according to the states of the variables of both images The OLT controls the ONT state through a series of commands Start download It starts the software download sequence This action is only valid for inactive and non commited software images Download section It downloads a section of a software image This action is only valid for an image that is being down...

Страница 29: ...on indicators 6 1 ONT 769503 SFU 6 1 1 Status The ONT 769503 SFU has seven LEDs to indicate its operational status Example Heading 3 Figure 6 29 ONT 769503 SFU status LEDs Figure 6 30 ONT 769503 SFU Ethernet port LEDs ...

Страница 30: ...n and communication with the OLT Optical Line Terminal ONT Status LED Status Description A3 GPON Link A4 Auth 1 Initial OFF OFF Initial State 2 Standby Flashing OFF ONT 769503 SFU is waiting for initial configu ration by the OLT 3 Serial Number Flashing Flashing The OLT is configuring the ONT 769503 SFU 4 Ranging Flashing ON ONT 769503 SFU and OLT synchronisation 5 Operation ON ON ONT 769503 SFU s...

Страница 31: ... WAN Port at the Home Gateway and not to a LAN Port for e g Use another Ethernet cable GPON LINK A3 OFF Anomaly in the optical fiber signal Verify that the optical cable is correctly connected to the ONT 769503 SFU s internal optical port and to the optical wall socket Verify that the fiber is intact it is clean without cuts scratches or bends AUTH A4 OFF GPON LINK A3 ON ONT 769503 SFU deac tivate...

Страница 32: ...ERNET ON With Ethernet connection OFF No Ethernet connection Flashing Ethernet IN OUT activity A6 to A7 VOIP OFF Service not configured or registration failure ON Service configured and authenticated Flashing Telephone off the hook A10 GPON LINK See table below A11 AUTH A13 CATV ON Port administratively connected OFF Port administratively disconnected Flashing Port administratively connected to CA...

Страница 33: ...ng the ONT 769503 4GE 2FXS 4 Ranging Flashing ON ONT 769503 4GE 2FXS and OLT syn chronisation 5 Operational ON ON ONT 769503 4GE 2FXS s normal opera tional status 6 POPUP Flashing OFF Loss of optical signal detected 7 Emergency Stop ON OFF Anomalous event Table 6 6 ONT 769503 4GE 2FXS states 6 2 2 Final checks Check using the following table if the ONT 769503 4GE 2FXS has been successfully registe...

Страница 34: ...Change the ETHERNET cable GPON LINK A10 OFF Anomaly in the optical fibre signal Check that the optical cable is correctly inserted in both the ONT 769503 4GE 2FXS s internal optical connector and the optical socket Check that the fibre is intact is not dirty and has not been cut or twisted AUTH A11 OFF GPON LINK A10 ON ONT 769503 4GE 2FXS deactivated by the admin istrator Contact the technical sup...

Страница 35: ...erify that the DC power TRIDENT con nector is correctly connected to the ONT 769503 MBH and the circuit breakers are all up and running ETHERNET Left A6 OFF ETHERNET cable not connected correctly Verify that the ETHERNET cable is correctly connected to the ONT 769503 MBH s ETH ERNET Port and to the WAN Port of the premises equipment Use another Ethernet cable GPON LINK A3 OFF Anomaly in the optica...

Страница 36: ...36 GPON ONT STANDAR ...

Страница 37: ...Extensible Authentication Protocol Method for GSM Subscriber Identity Module FTP FTTH File Transfer Protocol Fiber To The Home FTTC Fiber To The Cell FXS Foreign eXchange Station GbE Gigabit Ethernet GEM GPON Encapsulation Module GPON Gigabit capable Passive Optical Network GSM Global System for Mobile Communications GW Gateway HG Home Gateway HSI High Speed Internet ID Identification IEEE Institu...

Страница 38: ...uency RGW Residential Gateway RJ11 Registered Jack model 11 RJ45 Registered Jack model 45 SC APC SC APC optical connector SIM Subscriber Identity Module SIP Session Initiation Protocol SS7 Signalling System No 7 SSID Service Set IDentifier STB Set Top Box TCP Transmission Control Protocol TDMA Time Division Multiple Access TR 069 Technical Report 069 TV Television UDP User Datagram Protocol URL Un...

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