CopperOptics 150-1342-01 Manual Download | Manualshive

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Section 363-742-102

Revision 01

Page 5

Figure 3. FRL-742 Block Diagram.

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Summary of Contents for 150-1342-01

Page 1: ...TURES 2 2 APPLICATIONS 2 3 SPECIFICATIONS 3 4 CERTIFICATION 4 5 WARRANTY 4 B FUNCTIONAL DESCRIPTION 6 OPERATIONAL CAPABILITIES 4 7 FRONT PANEL 6 8 TERMINAL MANAGEMENT 7 C INSTALLATION AND TEST 9 UNPACKING 10 10 TURN UP AND TESTING 10 11 TROUBLESHOOTING 10 CAUTION This product incorporates static sensitive components Proper electrostatic discharge procedures must be followed Figure 1 FRL 742 RT Lin...

Page 2: ...nch shelf or six 19 inch shelf Channel Units A common Alarm Unit or Pair Gain Test Controller Interface Unit in each shelf provides an interface for maintenance alarm relays and metallic access to the remote subscriber lines Remote Terminal RT The RT Enclosure provides a weatherproof housing for the PG Flex remote electronics and subscriber terminations The enclosure accepts one common RT Line Uni...

Page 3: ... subscriber s COT tip for 1 5 seconds then removing the 116 V 2 09 Test access may also be activated through the RS 232 Maintenance Port located on the front of the COT and RT Line Units using an ASCII terminal 3 SPECIFICATIONS RT Power Supply Input Voltage 130 Vdc to 65 Vdc Line 1 130 Vdc to 0 Vdc Line 2 Input Power typical Less than 30 Watts Operating Temperature Humidity 40 F to 150 F 40 C to 6...

Page 4: ...nit is found to be defective for any reason other than abuse or improper use or installation 5 02 This module should not be field repaired If it fails replace it with another unit and return the faulty unit to PairGain for repair Any modifications of the unit by anyone other than an authorized PairGain representative will void the warranty 5 03 If a unit needs repair call PairGain for a Return Mat...

Page 5: ...Section 363 742 102 Revision 01 Page 5 Figure 3 FRL 742 Block Diagram ...

Page 6: ...active remote unit LOOP 2 MARGIN LED Indicator Yellow HDSL line 2 margin is below a preset level Off HDSL line 2 margin is above the preset level TEST LED Indicator Yellow a subscriber drop or diagnostic test has been activated at any unit in the system Off there are no tests activated in the system FAULT LED Indicator Red there is a fault in the system Off no faults are detected in the system ACO...

Page 7: ...tatus By selecting the Status option A from the Main Menu the technician can Display System Status to show the equipment installed in the system and the current status in alarm or not of the equipment An next to the unit name indicates that the unit is currently in the alarm state Display Channel Status to show the current status of all channels in the system Each channel has one of the following ...

Page 8: ...Section 363 742 102 Revision 01 Page 8 Figure 4 FRL 742 DB 9 Pin Outs A standard RS 232 DB 9 connector on the front panel provides access to the menu interface feature via an ASCII terminal ...

Page 9: ...Section 363 742 102 Revision 01 Page 9 Figure 5 Terminal Menu and Display Structure ...

Page 10: ...RN UP AND TESTING CAUTION Observe normal electrostatic discharge precautions when handling electronic equipment Do not hold electronic plugs by their connector edges Do not touch components or circuitry Step Operation Action Observe 1 Install RT Line Unit a Insert the FRL 742 RT Line Unit into the RT Enclosure All LEDs on the RT Line Card turn on for approximately 7 seconds then scan from top to b...

Page 11: ...r supply has failed Replace the COT Line Unit LOOP 1 2 SYNC LED flashing or off 1 The HDSL line is attempting to synchronize with the central office unit or cannot detect the HDSL signal from the central office unit This is usually an indication that there is a problem with the HDSL circuit between the COT and RT assuming the FAULT LED is off 2 COLU and RTLU incompatible i e one is a T1 version an...

Page 12: ... loop attenuation to the 2B1Q signal than the 196 kHz loss The normal range of pulse attenuation is from 1 to 32 dB PPM Indicates the relative offset of the crystal oscillator in the RT Line Unit from the COT Line Unit s crystal oscillator Any value between 64 and 64 is adequate Values outside this range indicate out of tolerance components or excessive temperature drift of critical components HDS...

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