PairGain PRL-770, Manual

Page 1: ...List Number Part Number CLEI Code PRL 770 1A 150 1670 11 S9MSAA0ARA PAIRGAIN TECHNOLOGIES INC ENGINEERING SERVICES TECHNICAL PRACTICE SECTION 950 770 100 Revision History of this practice Revision 01...

Page 2: ...7 Close the Housing 12 8 Fault Isolation 13 9 Technical Support 14 10 Certification 14 11 Warranty 15 C ABBREVIATIONS 15 12 Abbreviations 15 USING THIS TECHNICAL PRACTICE Three types of messages iden...

Page 3: ...f 24 gauge wire the RT may be located up to 21 7 kft from the COT POTS or digital lines from a Central Office CO switching system connect to the COT and are sent via the COLU and the HDSL wire pair to...

Page 4: ...bottom of the enclosure and connected to the HDSL pair in the wiring harness Subscriber line connections are made through the right hand side of the Protected Termination Modules A hinged RJ 11 jack a...

Page 5: ...950 770 100 March 14 1997 Revision 01 PG Plus PRL 770 PairGain Engineering Plant Series Page 3 Figure 2 Securing the Customer Access Door Figure 3 Securing a Protected Termination Module...

Page 6: ...F to 149 F Humidity 5 to 95 non condensing Altitude 60m to 4 000m 200 to 13 000 Vibration NEBS Electro Static Discharge DSD Per GR 1089 CORE Power and Lightning Per GR 1089 CORE Human Safety UL 1459...

Page 7: ...r cover 5 Installation 5 1 Safety Precautions To ensure the safety of personnel and equipment carefully observe the following safety rules Be careful when installing or modifying telephone lines Dange...

Page 8: ...ntil the short is removed Once the PLL 721 COLU senses the short or off hook condition has been removed it initiates a power up sequence to start the PRL 770 5 3 Install the PRL 770 RT Enclosure Use t...

Page 9: ...rence Label During installation refer to the PRL 770 reference label Figure 5 affixed inside the Customer Access door The middle section of the PRL 770 reference label identifies the Frame Ground and...

Page 10: ...n Engineering Plant Series PG Plus PRL 770 5 5 Attach the Frame Ground Wire 1 Use a 5 32 tamper proof hex key to loosen the two tamper proof screws on the Telco Access door then open the Telco Access...

Page 11: ...sure Figure 7 Figure 7 Attaching the Frame Ground Wire 3 Insert the frame ground wire into the PRL 770 RT enclosure through the pencil hole made in step 1 A 10 AWG copper frame ground wire is recommen...

Page 12: ...eive a severe electrical shock 1 Use a pencil to punch a second small hole in the bottom of the rubber grommet on the left hand bottom side of the PRL 770 RT enclosure 2 Insert the HDSL Tip and Ring w...

Page 13: ...dule door Figure 9 Figure 9 Inserting the POTS Wires 2 Insert the POTS wire pair through the cutout on the right side of the Protected Termination Module door Figure 10 3 Connect the Tip conductor to...

Page 14: ...green Start up is complete once the POWER LED is on solid green and the ACTIVITY and STATUS LEDs are both off 3 Close all the Protected Termination Module doors 4 Follow standard POTS procedures to ch...

Page 15: ...us LEDs indicate Figure 11 Figure 11 PRL 770 Status Window If the PRL 771 fails to indicate power on as evidenced by the Power LED being off perform the following diagnostic and repair operations 1 Ve...

Page 16: ...mpliance The PG Plus PRL 770 Remote Line unit complies with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection agai...

Page 17: ...rranty 11 3 If a unit needs repair 1 Call PairGain for a Return Material Authorization RMA number at 800 638 0031 2 Return the defective unit freight prepaid along with a brief description of the prob...

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