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background image

Troubleshooting

61287722G1-5B

37

NET Status LED Off

The

NET

LED

Off

indicates

no

signal

detected,

or

the

SBU

ONT

has

been

administratively

shut

down.

This

can

be

caused

by

one

of

the

following

conditions:

• Failure

at

the

OLT

• Failure

between

the

OLT

and

the

SBU

ONT

before

the

drop

wire

optical

connector

• Drop

wire

optical

connector

• Malfunction

of

LED

at

SBU

ONT

Utilize

the

flowchart

in

to

determine

the

cause

and

correct

the

problem.

Figure 18. Network LED Flowchart

NET LED RED

Check reflective

power with Optical

power meter

Is power

present?

Check for

defective optical

connection

Is there

a failure at

the OLT?

Replace ONT

Is connection

defective?

Repair/Clean

connection

Work with

OLT admin

to resolve

NET LED solid green

Yes

No

Yes

No

Yes

No

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Содержание 1287722G1

Страница 1: ...installation guide Total Access 372 Small Business Unit ONT Installation and Maintenance Guide Document Number 61287722G1 5B February 2011 ...

Страница 2: ... intended audience for this information is the craftperson responsible for the installation and maintenance of the equipment These instructions assume familiarity with the intended use of the equipment basic required installation skills and knowledge of local and accepted safety practices Additionally this document provides provisioning information specific to the User Interface of the Small Busin...

Страница 3: ...key and X key should be pressed at the same time This font indicates references to other documentation and is also used for emphasis This font indicates on screen messages and prompts This font indicates text to be typed exactly as shown This font indicates silk screen labels or other system label items This font is used for strong emphasis Revision Date Description A August 2010 Initial release T...

Страница 4: ...dium level of risk which if not avoided could result in death or serious injury CAUTION 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 Notice call outs indicate a potentially hazardous situation not related to...

Страница 5: ...duct lines ADTRAN provides a variety of training options including customized training and courses taught at our facilities or at customer sites For inquiries concerning training contact ADTRAN Training Phone 800 615 1176 ext 6303 Training Fax 256 963 6217 Training Email training adtran com deployment guide installation guide jobAid reference guide diagnostic guide compliance engineering guide app...

Страница 6: ...Total Access 372 Small Business Unit ONT Installation and Maintenance Guide vi 61287722G1 5B ...

Страница 7: ...Electronics Module 8 Circuit Board 9 Data Processing 9 Voice Processing 9 Alarm Reporting 10 SBU ONT Interfaces 10 Ethernet Interface 10 POTS Interface 10 UPS Power Supply 11 Installation 12 Shipping Contents 12 Required Tools 13 Necessary Supplies 13 Instructions for Installing the SBU ONT 14 Determining SBU ONT Enclosure Location 15 Mounting the Enclosure Outdoors 16 Install the Electronics Modu...

Страница 8: ...OTS Line Faults 34 Provision Ethernet Interface at OLT 34 Troubleshooting 35 Faults Indicated with LEDs 35 LEDs in Normal State 35 LEDs in Fault State 36 SBU ONT Trouble Isolation 36 UPS Power LEDs 36 NET Status LED Off 37 POTS Troubleshooting 38 Cleaning and Inspection of Components 38 Cleaning Suggestions 38 Cleaning the Connectors 38 Signal Level Verification 39 Downstream Signal Level Verifica...

Страница 9: ...igure 8 Cable Ground Installation 19 Figure 9 SBU ONT Ground Connection 20 Figure 10 Euro SBU ONT Power and UPS Connectors 22 Figure 11 Power Alarm Connector 23 Figure 12 UPS Power Connection 24 Figure 13 POTS Connections 26 Figure 14 Ethernet and DS1 Cable Connections 27 Figure 15 Install Fiber to the Unit 29 Figure 16 Indoor Mounting 30 Figure 17 Completed Indoor Electronics Module 31 Figure 18 ...

Страница 10: ...Total Access 372 Small Business Unit ONT Installation and Maintenance Guide x 61287722G1 5B ...

Страница 11: ...ble 3 Modules and Housings 3 Table 4 Connector Pinout 22 Table 5 UPS Pin Out Connection 25 Table 6 Ethernet Cable Pin Outs 27 Table 7 Ethernet LEDs 28 Table 8 DS1 Cable Pin Outs 28 Table 9 Front Panel LEDs 33 Table 10 Power LEDs 36 Table 11 Downstream Power Level 39 Table 12 Upstream Power Levels 40 Table 13 UPS Communication Signal Descriptions 41 Table 14 Specifications 42 ...

Страница 12: ...Total Access 372 Small Business Unit ONT Installation and Maintenance Guide xi 61287722G1 5B ...

Страница 13: ...BU ONT It includes installation instructions LED descrip tions regulatory information and troubleshooting procedures In this Guide This guide contains the topics listed in Table 1 Table 1 Topic List Topic See Page Description 2 Safety and Regulatory Compliance 4 Components and Interfaces 6 Installation 12 Mounting the Electronics Module Indoors 30 Troubleshooting 35 Maintenance 42 Specifications 4...

Страница 14: ...the central office and an Optical Network Terminal ONT located at the customer premises To allow for the transmission of downstream and upstream traffic on a single fiber different wavelengths are used for both directions Downstream traffic uses 1490 nm while upstream traffic uses 1310 nm The SBU ONT employes diplexers to separate wavelengths In the upstream direction transmission of data must be ...

Страница 15: ...ces supported by two 10 100 1000Base T Ethernet interfaces Basic telephone service supported by eight POTS interfaces Support for four DS1 Ports and two Ethernet Ports 12 VDC power supply Modules and Housings This guide covers the following Adtran ONT electronic modules and housings Table 3 Modules and Housings Total Access 372 Description 1287722G1 Total Access 372 SBU Electronics Module 1187774G...

Страница 16: ...rking under the EMC Directive and Low Voltage Directive Standards used to demonstrate Compliance are EN 300 386 and EN 60950 The Total Access 372 SBU ONT is intended for deployment in the Outside Plant OSP at locations where the NEC applies for example Customer Premises and is intended to be installed by trained service personnel The Total Access 372 SBU ONT is to be installed and serviced by Qual...

Страница 17: ...t which are exposed outside of the building are intended to be less that 140 feet 42 6 meters and have adequate clearance from power and lightning conductors in accordance with NEC 725 and 800 Final acceptance of the Listed equipment installation will ultimately be up to the local Authority Having Jurisdiction AHJ This product is designed to meet the following environmental classes ETSI EN 300 019...

Страница 18: ...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 70 m p h wind driven rain high temperature cold temperature drop tests and all other GR 49 GR 950 and GR 487 requirements The dimensions are approximately 15 high x 12 wide x 4 deep 381 mm x 305...

Страница 19: ...rt strain relief with Tie wraps Figure 1 Enclosure and Electronics Module NOTE In the figure above the cover for the Enclosure has been removed for clarity purposes Telco Access Screw Surface Mounting Hole Surface Mounting Hole TELEPHONETROUBLESHOOTING 1 Identify the bad line POTS 1 8 2 Plug any working phone into the appropriate jack If the telephone works the unit is functioning normally If the ...

Страница 20: ...Small Business Unit ONT Installation and Maintenance Guide 8 61287722G1 5B Electronics Module The Electronics Module see Figure 2 is not designed to be removed after the initial instal lation Figure 2 Electronics Module ...

Страница 21: ...agement priority queuing scheduling policing and traffic shaping Up to 16 VLANs IGMP Snooping QoS with four traffic classes per IEEE 802 1p Full IEEE 802 1Q VLAN ID processing per port 64 byte to 1600 byte packet sizes Voice Processing 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 buf...

Страница 22: ...ces through two 10 100 1000Base T Ethernet interfaces via RJ 45 connectors The Ethernet interface meets IEEE 802 3 specifications and is transformer coupled for 1500 V isolation Both full and half duplex modes are supported The SBU ONT also supports video service via the Ethernet through the ETH 2 interface POTS Interface The SBU ONT supports basic telephone service through eight POTS interfaces E...

Страница 23: ...is activated to provide power for a short period of time Figure 3 Uninterruptible Power Supply UPS Power is supplied to the SBU ONT by an UPS local power source with battery backup that utilizes the AC power at the customer premises The unit powers the SBU ONT and functions as a battery backup supplying continuous 12 VDC It contains one sealed lead acid battery for power backup If the battery is d...

Страница 24: ... missing any components 2 Examine the SBU ONT enclosure fiber management guide associated terminals weather resistant grommets fiber connector telephone DS1 and Ethernet ports for usability 3 Examine the power 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 Appendix A Warra...

Страница 25: ...iltering Fiberscope or videoscope Optical Time Domain Reflector meter calibrated for 1310 and 1490 nm output Composite fiber cable for non connectorized installation SBU ONT mounting hardware Silicone sealant and application material i e cotton swabs Bonding clamp for grounding and securing the composite cable on non connectorized installations One 1 each 60 Hi cap riser pipe for composite cable i...

Страница 26: ...e proximity of the external ends of the CPE wiring to the subscriber electrical service point UPS with battery backup installed by technician GFI non GFI outlet highly recommend non GFI outlet Minimum 12 AWG ground wire installed from the ONT to the established MGN Riser conduit for fiber drop cable Power and Alarm leads require a jacketed 4 pair wire of the proper gauge Wire run via Customer prov...

Страница 27: ...unted location Do not install siding and other building material around the outside of the enclosure to prevent excessive heat buildup and ultimate product failure Mount the unit within proximity of the AC electrical power meter where the Multi Ground Neutral MGN is easily accessible Mount the unit away from down spouts permanent water sprinklers or other water sources Consider proper clearances f...

Страница 28: ...tical surface near an approved ground but away from down spouts perma nent water sprinklers or other water sources 2 Use the top and bottom surface mounting holes and a carpenter s level to mark the locations for the three mounting brackets on the mounting surface 3 Pre drill the marked locations and install a minimum of 1 4 inch diameter lag bolts with a minimum length of 3 inches that are approp...

Страница 29: ...the Electronics Module on to the tabs and align the Screw Slot with the threaded hole in the back plate Figure 6 Installing the Electronics Module 3 Secure the Electronics Module using the 6 screw P N 3276003003 E provided CAUTION Ensure the SBU ONT is grounded before making any other connections Screw Slot Threaded Hole Slots on Reverse Tab Tab TELEPHONETROUBLESHOOTING 1 Identify the bad line POT...

Страница 30: ...ote Cable color is for clarity purposes only SC APC Connector Note The RJ 11 POTS ports are used for test purposes only Ethernet Connection White DS1 Connection Red Tip Green Ring Red TELEPHONETROUBLESHOOTING 1 Identify the bad line POTS 1 8 2 Plug any working phone into the appropriate jack If the telephone works the unit is functioning normally If the telephone does not work contact your service...

Страница 31: ...he housing see Step 1 in Figure 8 2 Insert a 12 AWG minimum solid copper ground wire through the rubber grommet see Step 2 in Figure 8 3 Remove 1 2 of the insulation jacket and install a UL Listed tin plated copper closed loop grounding type connector suitable for location of use indoor or outdoor having a hole size suitable for the 6 ground stud no larger than 6 3 mm 4 Remove the nut on the threa...

Страница 32: ...nd to the riser conduit of the buried fiber cable drop When using tie wraps wait until the Limited Power Source LPS wire run has been installed and tie wrap both the 12 AWG ground wire and the LPS wire run to the riser conduit of the buried fiber drop cable 10 Clean the MGN connector with emery cloth to insure a stable connection 11 Coat the connection with a metal corrosion preventative 12 Connec...

Страница 33: ...o the ground rod with a UL Listed ground clamp Local Power Source Wire Run WARNING 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 recommended by the manufacturer CAUTION Use caution when routing wires and cables Avoid severe bending and routing over shar...

Страница 34: ...esignations for the Power Alarm Connector 3 Remove the Power Alarm Connector from the Electronics Module by pulling it directly from the module see Figure 11 on page 23 Table 4 Connector Pinout Pin Description 1 Low Battery 2 Battery Missing 3 Replace Battery 4 On Battery 5 Signal Return 6 12 V Return 7 12 VDC Pin 1 Pin 7 1 2 3 4 5 6 7 UPS Power Connector Power Alarm Connector Low Battery Battery ...

Страница 35: ...ir appropriate terminals refer to Table 4 on page 22 7 Tighten the retaining screws 8 Reinstall the Power Alarm Connector in the Electronics Module 9 Route the cable as shown above If necessary tie wrap them to the appropriate anchor points 10 Reinstall the rubber grommet Power Brown Power Alarm Connector TELEPHONETROUBLESHOOTING 1 Identify the bad line POTS 1 8 2 Plug any working phone into the a...

Страница 36: ... safe area free of excessive dust and with adequate airflow Refer to UPS technical specifications table for details on temperature and humidity requirements Do not operate outside these specified limits 2 Use the template enclosed with the unit to mark the installation location 3 Remove the battery cover from the UPS unit and remove the strap from the battery holding it to the shelf of the unit 4 ...

Страница 37: ...attery charges when it is connected to the utility power The battery charges fully during the first 18 hours of normal operation Do not expect full battery run capability during this initial charge period 11 Verify indicator lights are in agreement with manufacturer specifications and the unit is functioning Table 5 UPS Pin Out Connection Pin Out Power Alarm Description Pin Out UPS 1 LOW BAT 1 2 B...

Страница 38: ...t the POTS cables through the grommet 3 Flip the pivot connector to the up position 4 Insert the appropriate wires TIP green and RING red 5 Flip the pivot connectors to the down position 6 Replace the rubber grommet in the housing Figure 13 POTS Connections NOTE The RJ 11 POTS ports are used for testing only Pots Connection TELEPHONETROUBLESHOOTING 1 Identify the bad line POTS 1 8 2 Plug any worki...

Страница 39: ...Figure 14 Ethernet and DS1 Cable Connections Refer to Table 6 for a list of Ethernet Cable Pin Outs Table 6 Ethernet Cable Pin Outs Ethernet RJ 45 Pin out Pin Name Description Color Code 1 TRD0 Transmit Receive Positive White Orange 2 TRD0 Transmit Receive Negative Orange 3 TRD1 Transmit Receive Positive White Green 4 TRD2 Transmit Receive Positive Blue 5 TRD2 Transmit Receive Negative White Blue ...

Страница 40: ...t of DS1 Cable Pin Outs 6 TRD1 Transmit Receive Negative Green 7 TRD3 Transmit Receive Positive White Brown 8 TRD3 Transmit Receive Negative Brown Table 7 Ethernet LEDs Label Indication Description Link z Off Green Link is down or Administratively shut down 10 100 1000 link is up Activity 4 Off Yellow Flashing Link is down or Administratively shut down TX or Rx activity Table 8 DS1 Cable Pin Outs ...

Страница 41: ...the Cable Support Clamp Retighten the Cable Support Clamp 4 Splice the Fiber to the Fiber Jumper Cable Yellow P N 31251291 E 5 Connect the Fiber Jumper Cable to the SC APC connector at the bottom of the Electronics Module 6 Replace Splice Tray cover Figure 15 Install Fiber to the Unit NOTE Refer to Figure 7 on page 18 for an illustration of a completed installation Fiber In Note All cables removed...

Страница 42: ...ty for the module 3 Use the two keyholes on the reverse of the Electronics Module as location marks and install two 6 Pan Head screws 1 inch or longer Leave approximately 1 16 inch protruding from the mounting surface 4 Slide the Electronics Module over the Pan Head screws and exert a small amount of downward pressure to ensure that the top of the slots are resting on the shafts of the screws 5 Lo...

Страница 43: ...use the housing is not being utilized for indoor applications wires and cables are routed and secured differently Refer to the figure above when routing and securing these wires and cables Ground Power TELEPHONETROUBLESHOOTING 1 Identify the bad line POTS 1 8 2 Plug any working phone into the appropriate jack If the telephone works the unit is functioning normally If the telephone does not work co...

Страница 44: ...nterface at OLT on page 34 Turn Up Initial turn up of the SBU ONT involves applying power and observing LEDs for status infor mation To complete the turn up of the SBU ONT complete the following steps 1 Plug the green UPS connector into the male connector of the UPS 2 Check to ensure the AC output and battery LEDs are green and functioning The UPS is now ready for normal operation 3 View the LEDs ...

Страница 45: ...s travel Do not overtighten Installation of the unit is now complete The unit is ready for service Contact the Central Office so the SBU ONT can be provisioned by the OLT This must be done before any testing can be completed Table 9 Front Panel LEDs Label Status Description PWR z Off Green No power Power is On NET z z z Green Yellow Red OLT has activated the ONT OLT is discovering and ranging the ...

Страница 46: ...ctronics Module for directions in determining line faults NOTE If the problem is still not corrected it is possible there is an internal wiring problem with the premises Provision Ethernet Interface at OLT Ensure Provisioning of the SBU ONT at the OLT has been completed For the provisioned Ethernet link use external equipment for example a laptop computer to verify the Ethernet link is active ...

Страница 47: ...o the SBU ONT or premises wiring This section describes how to troubleshoot and correct the following Faults Indicated with LEDs SBU ONT Trouble Isolation on page 36 Signal Level Verification on page 39 UPS Communication Signals on page 41 Faults Indicated with LEDs Begin troubleshooting at the SBU ONT by checking to see if all LEDs are in their normal state shown in Table 9 on page 33 There are s...

Страница 48: ...NT Trouble Isolation This section describes how to isolate problems based on faults reported through LEDs UPS Power LEDs NET Status LED Off on page 37 POTS Troubleshooting on page 38 UPS Power LEDs A UPS Power LED that is off indicates there is no power Refer to Table 10 to determine if a problem exists Table 10 Power LEDs Label LED Status Description AC z z Green Yellow UPS is on AC UPS is on Bat...

Страница 49: ...op wire optical connector Drop wire optical connector Malfunction of LED at SBU ONT Utilize the flowchart in Figure 18 to determine the cause and correct the problem Figure 18 Network LED Flowchart NET LED RED Check reflective power with Optical power meter Is power present Check for defective optical connection Is there a failure at the OLT Replace ONT Is connection defective Repair Clean connect...

Страница 50: ...owing unmated connectors to touch surrounding unrelated surfaces and do not touch a connector or bulkhead ferrule for any reason other than while performing the cleaning process Use a fiberscope or videoscope to verify proper cleaning of connectors prior to mating connecting components together Use an appropriate quality fabric type cleaner and pure alcohol reagent grade 99 5 pure when cleaning th...

Страница 51: ...resent 1 Ensure all connectors are clean and dry Refer to Cleaning and Inspection of Compo nents on page 38 for details 2 Setup and calibrate the OPM or OLTS for wavelengths that apply to FTT transmissions that is 1310 nm and 1490 Verify the test equipment is capable and setup for wavelength filtering so that you do not obtain an undesired reading of the absolute optical power from all contributin...

Страница 52: ... optical fiber and is capable of performing wavelength filtering in order to obtain individual wavelength optical power level readings 3 Connect the test equipment to the optical fiber drop cable and the optical bulkhead on the SBU ONT using a test jumper as shown in Figure 20 on page 40 Figure 20 Upstream Test Configuration 4 Verify the test equipment measurement results are within the optical si...

Страница 53: ...n collector signals into logic levels A pinout of the communication signals is shown in Table 13 Table 13 UPS Communication Signal Descriptions Signal Description 12 VDC Vo Voltage output 12 V 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 fails sel...

Страница 54: ...U ONT are detailed in Table 14 Table 14 Specifications Specification Description Power Voltage Range Maximum Current 12 VDC nominal 10 8 VDC to 14 4 VDC tolerance 2 0 Amp Environmental Operating Temperature Storage Temperature Relative Humidity 40 C to 65 C 40 F to 149 F Outdoors 40 C to 50 C 40 F to 149 F Indoors 40 C to 85 C 40 F to 185 F 0 to 95 noncondensing within enclosure Physical Dimension...

Страница 55: ...07 ADTRAN Technical Support ADTRAN offers Technical Support Engineering services for all of our products These services are provided at no charge during the product warranty period Pre Sales Applications Post Sales Technical Assistance 1 800 726 8663 Standard hours Monday Friday 7 a m 7 p m CST Emergency hours 7 days week 24 hours day Email support adtran com Web http www adtran com getsupport ADT...

Страница 56: ...vision 901 Explorer Blvd Huntsville AL 35806 U S A http www adtran com ADTRAN CUSTOMER CARE From within the U S 1 800 726 8663 From outside the U S 1 256 963 8716 PRICING AND AVAILABILITY 1 800 827 0807 installation guide ...

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