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Maintenance

61287802F1-34B

Revision B

8 Maintenance

The GPON 452/454 does not require routine maintenance for normal operation. Do not

attempt to repair the GPON 452/454 in the field. Repair services are obtained by returning the

defective unit to ADTRAN. Refer to

““Warranty and Contact Information”

for further

information.

Содержание 1287802F1

Страница 1: ...ADTRAN ONT GPON 452 454 Exterior Wall Mount ONT P N 1287802F1 1287803F1 Physical Installation Guide October 2019 61287802F1 34B ...

Страница 2: ...software products shall be governed by ADTRAN s standard terms and conditions of sale unless otherwise set forth in a separately negotiated written agreement with ADTRAN that specifically applies to such hardware or software products To the fullest extent allowed by applicable law in no event shall ADTRAN be liable for errors in this document for any damages including but not limited to special in...

Страница 3: ...Revision History 61287802F1 34B 3 Revision B Revision History Rev B October 2019 Added three part numbers to Table 3 updated figures to reflect accurate cable layout Rev A April 2019 Initial release ...

Страница 4: ...Revision History 4 61287802F1 34B Revision B ...

Страница 5: ... With Cover Removed 19 4 1 3 Electronics Module 20 4 2 Circuit Board 20 4 2 1 Data Processing 21 4 2 2 Voice Processing 21 4 2 3 Alarm Reporting 21 4 3 GPON 452 454 Interfaces 22 4 3 1 GPON Interface 22 4 3 2 Ethernet Interface 22 4 3 3 POTS Interface 22 4 4 UPS Power Supply 23 5 Installation 24 5 1 Shipping Contents 24 5 2 Required Tools 24 5 2 1 Necessary Supplies 25 5 3 Instructions for Install...

Страница 6: ...Interface at OLT 43 7 Troubleshooting 44 7 1 LEDs Normal but Problems Still Exist 45 7 2 ONT Trouble Isolation 45 7 2 1 UPS Power LEDs 46 7 2 2 Network Status Troubleshooting 46 7 2 2 1 Troubleshooting Steps 46 7 2 3 POTS Troubleshooting 47 7 3 ODN Interface Troubleshooting 47 7 3 1 Cleaning and Inspection of Components 47 7 3 1 1 Cleaning Suggestions 48 7 3 1 2 Cleaning the Connectors 48 7 3 1 3 ...

Страница 7: ...Bulk Head Adapter 31 Figure 9 Cable Ground Installation 32 Figure 10 GPON 452 454 Ground Connection 33 Figure 11 Power Alarm and UPS Power Connectors 34 Figure 12 Power Alarm Connector Pinouts 35 Figure 13 Power Alarm Connector Wire Routing 35 Figure 14 Power Alarm Connector Installed 36 Figure 15 UPS Power Connection 37 Figure 16 Fiber SC APC Bulkhead Installation 38 Figure 17 Optical Connector 3...

Страница 8: ... Table 6 ONT Installation Accessories Kit P N 1187736G1 17 Table 7 Power Alarm Connector Pinouts 35 Table 8 UPS Pin Out Connection 37 Table 9 Ethernet RJ 45 Pin Out 41 Table 10 Front Panel LEDs 42 Table 11 Power LEDs 46 Table 12 GPON LEDs Indicating Network Status 46 Table 13 Downstream Power Level 49 Table 14 Upstream Power Levels 50 Table 15 UPS Communication Signal Descriptions 51 Table 16 Spec...

Страница 9: ... and maintenance of the equipment The instructions assume familiarity with the intended use of the equipment basic required installation skills and knowledge of local and accepted safety practices 1 2 Document Structure Table 1 lists the topics contained in this document Table 1 Topic List Section Topic See Page 1 Overview 9 2 Introduction 12 3 Safety and Regulatory 15 4 Components and Interfaces ...

Страница 10: ... if not avoided could result in death or serious injury CAUTION f CAUTION indicates a hazard with a low level of risk which if not avoided could result in minor or moderate injury CAUTION can also be used to alert against unsafe practices associated with events that could lead to personal injury NOTICE w Notice call outs indicate a potentially hazardous situation not related to personal injury suc...

Страница 11: ...istration is required Table 2 Related Online Documents and Resources Title Part Number Description Component level Documentation ADTRAN ONT 452 454 Exterior Wall Mount Outdoor ONT Quick Start 61287802F1 13 Provides quick installation steps and helpful information regarding the GPON 452 454 System level Documentation Total Access 5000 Fiber to the Premises Deployment Guide 65K95FTTP 50 Provides qui...

Страница 12: ...from the serving exchange out to a subdivision or office park Then individual fiber strands can be run to each building Also serving equipment can be split from the main fiber using passive splitters couplers This allows one piece of fiber cable from the exchange to the customer to be shared by many customers This dramatically lowers the overall costs of deployment for Fiber To The Premises FTTP a...

Страница 13: ...er 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 te...

Страница 14: ...odules and Housings GPON 452 454 Description 1287802F1 GPON 452 2 POTS 2 Ethernet Single Family Unit ONT Electronics Module 1287803F1 GPON 454 4 POTS 4 Ethernet Single Family Unit ONT Electronics Module 1287733F1 Total Access 480 MDU Splice Housing 1187770G1 Total Access 300 Series NID Splice Housing 1187771G1 Total Access 300 Series NID OptiTap Housing 1187777G1 Total Access 3XX ONT Wall Mounting...

Страница 15: ...terference 2 This device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by ADTRAN will void the warranty WARNING f The 10 100 1000Base T port and POTS port s are classified as Type 4 as defined in Appendix B of GR 1089 CORE Issue 5 and are suitable for connection to intra building or unexposed wiring o...

Страница 16: ...uctor shall be used to connect the equipment to earth ground The GPON 452 454 does not have an internal DC Connection between 12V and frame ground The chassis frame ground terminal must be connected to an earth ground to ensure that the front panel of the this product is properly grounded NOTE g Power supply input and output conductors of equipment which are outside of the building are intended to...

Страница 17: ... Installation Accessories Kit P N 1187736G1 see Table 6 for details 4 1 2 Outer Enclosure The Outer Enclosure provides both environmental control weatherproofing and access control 4 1 2 1 Outer Enclosure Security Locking Feature The enclosure is intended for use on the outside of a building and is designed to meet US environmental requirements The unit is weather hardened and is able to withstand...

Страница 18: ...or is held in the closed position by two snap door retainers To open the door these two snaps must be disengaged at the same time The Outer Enclosure Door has a double security locking feature provided by the third molded part This provides the following capabilities Subscriber access door is closed using a flat head screw Telco personnel can control access via the Pin in Hex screw Door can be sec...

Страница 19: ...ure 2 contains cable entry points for power ground Telco incoming cabling and cabling to the customer s premises Each cable entry has grommets to provide environmental protection The cable entries also support strain relief with tie wraps Figure 2 Outer Enclosure with Cover Removed BulkHead Connector Fiber Tray Incoming Fiber Cable N t ...

Страница 20: ...e installed in the housing Installation and removal can be accomplished by gently pulling the module from the hinge points on the housing Figure 3 Electronics Module 4 2 Circuit Board WARNING f Do Not open the Electronics Module or attempt to remove the Circuit Board from the Electronics Module The Electronics Module contains a single circuit board that provides the following functions Data Proces...

Страница 21: ...ng The POTS Voice Processing feature set is listed below Echo cancellation per ITU T G 168 up to 16 ms tails Caller ID FSK tone generation Fixed or adaptive jitter buffer modem fax tone detection DTMF detection generation RTP RTCP Silence suppression Comfort noise generation SIP MGCP GR 303 RFC 2833 Voice activity detection Configurable framing size 10 ms 20 ms or 30 ms G 711 G 729AB 4 2 3 Alarm R...

Страница 22: ...ream traffic 1310 nm 4 3 2 Ethernet Interface The GPON 452 454 supports data services through two four 10 100 1000Base T Ethernet interfaces via the front access RJ 45 connectors The Ethernet interfaces meet IEEE 802 3 specifications and are transformer coupled for 1500 V isolation The connectors have built in LEDs for data activity indications Both full and half duplex modes are supported 4 3 3 P...

Страница 23: ... is supplied to the GPON 452 454 by a UPS local power source P N 1187731G1 with battery backup that utilizes the AC power at the customer premises The unit powers the GPON 452 454 and functions as a battery backup supplying continuous 12 VDC It contains one sealed lead acid battery for power backup If the battery is disconnected the GPON 452 454 is not protected from power outages and will send a ...

Страница 24: ... supply to ensure that the UPS battery and power cord are present and sound If damage has occurred file a claim with the carrier then contact ADTRAN Customer Service Refer to Warranty and Contact Information on page 55 for further information If possible keep the original shipping container for returning the GPON 452 454 for repair or for verification of shipping damage 5 1 Shipping Contents The c...

Страница 25: ...on Tie wraps TexWipeTM Alco pad for fiber cleaning TexWipeTM cloth for fiber cleaning Included with the GPON 452 454 packaging are 2 4 Two screw Terminal Bridges 2 for the 452 and 4 for the 454 fiber cable management and strain relief a fiber connector and electronics optics For data and video over IP the connection to the SFU is through the RJ 45 Ethernet connector For POTS the connection is made...

Страница 26: ...ound conductor to connect the equipment to earth ground This equipment must be serviced by authorized service personnel only All repair procedures are detailed to allow sub assembly level repairs ONLY Authorized service personnel should not attempt component level repairs or circuit modifications to the printed circuit board Improper repairs can create a safety hazard Customer provided premises wi...

Страница 27: ...ht of the customer provided inside wire and or length or location of the buried fiber drop which is assumed to enter the GPON 452 454 from the ground upwards The enclosure is mounted vertically If at all possible the enclosure should be surface mounted on a flat surface WARNING f Ensure the GPON 452 454 is grounded before making any other connections Before making any power connections to this equ...

Страница 28: ...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 ...

Страница 29: ... the following steps to mount the enclosure 1 Choose a vertical surface near an approved ground but away from down spouts perma nent water sprinklers or other water sources The subscriber should have easy access for testing 2 Using the enclosure as a template and a carpenter s level mark the locations for the two mounting holes on the mounting surface 3 Pre drill the marked locations and install f...

Страница 30: ... power meter before handling optical fibers CAUTION f Use caution when routing wires and cables Avoid severe bending and routing over sharp edges Use grommet material when possible to avoid wear on cable insulation The Outer Enclosure offers several alternatives for Fiber installation These include Pre terminated Drop cable Drop cable and Field splice or Field termination For the Splice Housing th...

Страница 31: ... grommet slots at the bottom of the GPON 452 454 to secure the fiber to the Outer Enclosure 5 3 4 2 Grounding the Buried Fiber The buried fiber drop cable to the subscriber s premise used in this application can be one of the following Non armored the non armored fiber drop cable has a metal strand for locating purposes Skip this procedure if the fiber drop is non armored ...

Страница 32: ... the ground connectors to the utility earth ground rod If the ground is interrupted or disturbed in any way an unsafe condition will exist Refer to the National Electrical Code NEC and state local codes for details on grounding requirements Complete the ground connection by completing the following steps 1 Remove the rubber grommet from the housing see Step 1 in Figure 9 2 Insert a 12 AWG minimum ...

Страница 33: ... to this grounding connection 5 3 4 4 Alternative Grounding Method This section describes an alternative grounding method if MGN is not available Article 800 11c of the National Electrical Code NEC states for the purpose of grounding the point of entry for communications wiring and cables should be within 20 feet 6 1 meters of the electrical service entry point Where this is impractical a separate...

Страница 34: ... Refer to Figure 11 and the following steps to complete the installation 1 Install the Local Power Source LPS wire run from the GPON 452 454 to the connector of the LPS via the customer provided PVC conduit or method used by your local tele phone company practice ADTRAN recommends using 16 AWG at a maximum of 100 feet 30 4 meters For alarm signals ADTRAN recommends using 24 AWG Do not plug in the ...

Страница 35: ...on 4 1 1 Replacement Parts and Acces sories on page 17 4 Route the wires through the rubber grommet for the power alarm connector see Figure 13 Figure 13 Power Alarm Connector Wire Routing Table 7 Power Alarm Connector Pinouts Pin Description 1 Low Battery 2 Battery Missing 3 Replace Battery 4 On Battery 5 Signal Return 6 12V Return 7 12 VDC 234567 1 Power Alarm Connector Pin 1 Pin 7 Fiber Connect...

Страница 36: ...lectronics Module is closed 5 3 5 Installation of the Power Supply WARNING f Before making any power connections to this equipment verify the power is off fuse removed breaker tripped This equipment should only be operated from the type of certified listed power supply supplied by the manufacturer with the equipment NOTE g When installing the UPS refer to the UPS manufacturer s mounting instructio...

Страница 37: ...e battery holding it to the shelf of the unit 4 Disconnect the battery cable at the battery terminals if already connected to the battery 5 Remove the battery 6 Mount the UPS using screws appropriate for the total weight of the UPS and the mounting surface material 7 Connect the UPS cable wires see Figure 15 8 Replace the battery and secure the battery with the strap NOTE g Refer to the sticker on...

Страница 38: ...s may be achieved by using the provided fiber jumper To install the fiber connection perform the following steps Remove the dust cover from one end of the fiber jumper and attach it to the incoming fiber jumper at the SC APC Bulkhead connector see Figure 16 1 Connect the fiber cable coming into the Splice Housing to the Bulkhead Connector 2 Route the fiber jumper from the Bulkhead connector to the...

Страница 39: ...ing steps Figure 17 Optical Connector 1 Route the fiber drop cable to the port identified in Figure 7 on page 30 2 Connect the fiber drop cable to the optical connector 3 Place the optic connector in the cut out in the housing 4 Connect the fiber jumper cable to the connector on the bottom of the Electronics Module and at the top of the optical connector 5 Route the fiber jumper cable so that when...

Страница 40: ... to the TIP terminal and the Red wire to the RING terminal and tighten 4 Plug the RJ 11 connectors from the Terminal Bridges into their respective jacks 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 tele...

Страница 41: ... cable wiring standard There are two RJ 45 jack holders molded into the enclosure see Figure 18 on page 40 3 Insert the RJ 45 connector into the ETH 1 or ETH 2 Jack Refer to Figure 18 on page 40 for an example of what the final installation should look like Table 9 Ethernet RJ 45 Pin Out Pin Name Description Color Code 1 TRD0 Transmit Receive Positive White Orange 2 TRD0 Transmit Receive Negative ...

Страница 42: ...heck to ensure the AC output and battery LEDs are green and functioning The UPS is now ready for normal operation 3 View the LEDs on the GPON 452 454 as they cycle through start up diagnostics A properly installed ONT cycles through a sequence of operations during startup and power up phases Table 10 on page 42 shows the normal LED status once the startup and power up sequences are complete approx...

Страница 43: ...on of the unit is now complete The unit is ready for service 6 3 Test for POTS Line Faults Look at the TELEPHONE TROUBLESHOOTING instructions on the front of the Electronics Module for directions in determining line faults NOTE g If the problem is still not corrected it is possible there is an internal wiring problem with the residence 6 4 Provision Ethernet Interface at OLT Provision and unlock t...

Страница 44: ...atch does the ONT become active Registration ID Activation During this activation process the installer assigns a unique 10 digit Registration ID number to the ONT and communicates that number to the Central Office When the OLT begins its Auto Discovery process this number is used in lieu of the serial number for activation purposes During these sequences it is normal for the LEDs on the front of ...

Страница 45: ...If they are the problem is with the current ONT If they are not then the problem is with the PON or the OLT 2 If the trouble is of a random or intermittent nature check for loose or broken connections at the common mounting platform Also make sure all optical connections are clean and tight 3 If the trouble is solid remove the Customer Provided Equipment CPE wiring and perform the following tests ...

Страница 46: ...y flashes Yellow the OLT is unable to recognize the SFU ONT Contact the Central Office 4 If the LEDs on the front of the SFU ONT cycle continuously check the following Problem with the SFU ONT Try a different SFU ONT Low Power Supply Ensure Power Supply is functioning correctly Signal too low Refer to Signal Level Verification on page 48 Table 11 Power LEDs Label LED Status Description AC Green Ye...

Страница 47: ...ce within the ONT at the customer premises consists of the elements depicted in Figure 19 Figure 19 ODN ONT Fiber Connection 7 3 1 Cleaning and Inspection of Components Because the physical size of the transmission core of the optical fiber is typically only 9 microns in size debris such as a single particle of dust or smoke or strand of hair can impair the path enough to cause transmission proble...

Страница 48: ...face apply firm pressure and twist the wipe around the ferrule back and forth in quarter to half turn rotations at least three times 2 Press the endface of the ferrule directly into a clean wet spot on the wipe and twist the ferrule while applying pressure to perform a wiping action 3 Inspect the endface of the ferrule with either the fiberscope or videoscope If further cleaning is warranted use t...

Страница 49: ...undesired reading of the absolute optical power from all contributing wavelengths Instead you are trying to measure the individual wavelength optical power levels 3 Connect optical fiber jumper to the test equipment as shown in Figure 20 Figure 20 Downstream Test Configuration 4 Verify the test equipment measurement results are within the optical signal level ranges described in Table 13 above 5 D...

Страница 50: ... fiber jumper and the optical bulkhead on the ONT using a test jumper as shown in Figure 21 Figure 21 Upstream Test Configuration 4 Verify the test equipment measurement results are within the optical signal level range described in Table 14 above 5 If the measurement results are within range perform a verification of the provisioning of the ONT at the OLT and verify that the proper upstream signa...

Страница 51: ...n the open collector signals into logic levels A pinout of the communication signals is shown in Table 15 Table 15 UPS Communication Signal Descriptions Signal Description 12 VDC Vo Voltage output 12V RTN Return path for 12 VDC SIGNAL RETURN Signal return ON BATTERY Low when operating from utility line Open when operating from battery REPLACE BATTERY Low when battery is charged Open when battery f...

Страница 52: ...PON 452 454 does not require routine maintenance for normal operation Do not attempt to repair the GPON 452 454 in the field Repair services are obtained by returning the defective unit to ADTRAN Refer to Warranty and Contact Information for further information ...

Страница 53: ...l Power Consumption Input Power Connection Voltage Range Minimum Voltage Maximum Voltage Less than 15 Watts UPS Provided through 7 pin alarm connector 12 VDC nominal 10 V 13 9 V Environmental Operating Temperature Outdoor Enclosure Relative Humidity 40 C to 65 C 40 C to 85 C 90 Physical Dimensions Weight Height 9 05 in 23 cm Width 8 66 in 22 cm Depth 1 38 in 3 51 cm 3 5 lbs 1 6 kg ...

Страница 54: ... Network LED Light Emitting Diode LPS Local Power Source MGN Multi Grounded Neutral NEC National Electrical Code ODN Optical Distribution Network OLT Optical Line Terminal ONT Optical Network Terminal interchangeable with ONU ONU Optical Network Unit interchangeable with ONT OSP Outside Plant PON Passive Optical Network POTS Plain Old Telephone Service SFU Single Family Unit TDMA Time Division Mul...

Страница 55: ... customer support inquiries please contact ADTRAN Customer Care Table 17 Contact Information Contact Support Contact Information Customer Care From within the U S From outside the U S Technical Support Web Training Email Web 1 888 4ADTRAN 1 888 423 8726 1 256 963 8716 www adtran com support training adtran com www adtran com training www adtranuniversity com Sales Pricing and Availability 1 800 82...

Страница 56: ...Warranty and Contact Information 56 61287802F1 34B Revision B ...

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