User Guide T077G HGU ONT 220-00599 Rev 10
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Contents Contents 1 Product Description 1 1.1 Introduction 1 1.2 Services 1 1.3 Features 1 1.4 Specifications 2 2 Safety 4 2.1 Electrical Safety 4 2.2 Laser Safety 4 3 Installation 6 3.1 Get to Know the ONT 6 3.2 Connecting to the PON Network 6 3.3 Connecting Power 7 3.4 Connecting Telephone (POTS) Service 9 3.5 Connecting Ethernet Service 9 3.6 Connecting RF Overlay Video Service 10 3.7 Verifying the Installation 10 4 Troubleshooting 12 4.
User Guide 220-00599 R10 | October, 2013
Product Description 1 Product Description 1.1 Introduction The T077G Optical Network Terminal (ONT) is an ITU-T G.984 compliant device that receives voice, data, and video traffic in the form of optical signal from the service provider Passive Optical Network (PON) and transmitted it to the desired format at residential or business premises. Upstream traffic is likewise transmitted to the PON network through the fiber optic cable. A single optical fiber carries both upstream and downstream traffic. 1.
User Guide 1.4 • Rich set of LED indications for alarming and maintenance • Built-in capability for remote management like supervision, monitoring, and maintenance Specifications Table 1 lists the physical specification. Table 2 lists the electrical specification. Table 3 lists the environmental specification. Table 4 lists the optical specification. Table 1 Physical Specifications Dimensions • Height: 47 mm (1.85 inch) • Width: 229 mm (9 inch) • Depth: 174 mm (6.
Product Description Minimum Wavelength 1480 nm Sensitivity -27 dBm Overload 220-00599 R10 | October, 2013 Nominal Maximum 1490 nm 1500 nm Notes Minimum received power for BER<10-10 -8 dBm Maximum received power for BER<10-10 3
User Guide 2 Safety Read and follow all warning notices and instructions marked on the product or included in its packaging, and observe all safety instructions listed in this guide while handling any ONT. 2.1 2.2 Electrical Safety • Always use caution when handling live electrical connections. • Do not install electrical equipment in wet or damp conditions. • Ensure that the power source for the system is adequately rated to assure safe operation and provides current overload protection.
Safety Danger! Personnel handling fiber optic cables must be trained for laser safety. Caution! Do not bend the fiber optic cable to a diameter smaller than 7.5 cm (3 inches). Doing so may damage the fiber or prevent the signal from passing through properly.
User Guide 3 Installation 3.1 Get to Know the ONT The figures below show the overview of the ONT. RF interface GB Ethernet ports USB POTS ports DC power connector UPS connector Power switch G102356A Figure 1 T077G Back and Right-Side Overview WPS RESET WLAN G102296A Figure 2 3.2 T077G Left-Side Overview Connecting to the PON Network 1. Locate a safe and accessible site for installation.
Installation 2. Remove the dust covers from the SC/APC optical connector. Clean the connectors if necessary. G102342A 3. Plug in the fiber connector to connect the ONT to the network. G102343A 3.3 Connecting Power The T077G can be powered by the AC power adapter or by an UPS power. This section describes how to power the ONT by both. Note: Do not connect the enclosed power supply adapter and an external UPS simultaneously, as this might cause unwanted behavior.
User Guide 3.3.1 Connecting to the AC Power Adapter Warning! Do not use any other power supply adapter except the one that accompanies the units. Use of other adapters could result in damage to the unit. To prevent electrical shock, please do not open the cover. To connect the power cable to the ONT, do the following: 1. Plug the circle two pin 12V DC power connector of power adapter to ONT power port. 2. Plug the input of power adapter into a live AC outlet. 3.
Installation 3.4 PIN Color Signal Description 4 Green NC Unused 5 Black/Brown GND Power ground/Signal ground 6 Purple REPLACE_BAT Replace battery 7 Orange LOW_BAT Low battery 8 Yellow NC Unused Connecting Telephone (POTS) Service 1. Locate the telephone wire pair of premise. 2. If the wire pair is not terminated, follow local practices to attach an RJ-11 connector. 3. Plug the wire pair with RJ-11 connector into one of the ONT RJ-11 phone jacks. 4.
User Guide Table 7 3.6 Ethernet RJ-45 Connector Wiring Pattern Pin Color Signal Pin Color Signal 1 Orange/White TX_D1+ 5 Blue/White BI_D3- 2 Orange TX_D1- 6 Green RX_D2- 3 Green/White RX_D2+ 7 Brown/White BI_D4+ 4 Blue BI_D3+ 8 Brown BI_D4- Connecting RF Overlay Video Service 1. Locate the premises’ coaxial video cable. 2. If the cable is not terminated, follow local practices to attach a 75 Ohm Type F coaxial connector. 3. Plug the video cable into the ONT RF port. 3.
Installation G102399A Figure 5 ONT Has Already Been Provisioned • Verify that the POWER LED light is green, indicating that local power level is good • Verify that the AUTH LED light is green, indicating that the ONT is operating normally. The ONT is placed into service remotely through the OLT. Services to the ONT are likewise provisioned and turned up remotely through the PON network. 3.7.
User Guide 4 Troubleshooting 4.1 ONT Status LEDs The ONT status LEDs assist with installation and maintenance procedures. These LEDs are described in Table 8.
Troubleshooting LED Color Status Indication TEL1/2 Green Solid Already register to soft-switch, but no service flow and the line is on-hook Blink There is service flow on this port or the line is off-hook Off System power is off, or is not registered to soft-switch Solid Indicate PPPoE or DHCP sign up completed successfully.
User Guide 4.2 Troubleshooting Procedures Table 9 provides the basic procedures for troubleshooting.
Troubleshooting Problem Procedure The WPS LED is off Check whether the WPS service is enabled The WLAN LED is off Check whether the WLAN service is enabled The USB LED is off Check whether the cable is normal The VID LED is off Video power level is low, or video service is disabled.
FCC statement ·This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. ·This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
RF exposure warning · This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.
