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Fluke 990-GM/2 Quick Reference Manual
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Fluke 990-GM/2 Quick Reference Manual

Fluke 990-GM/2 Quick Reference Manual

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General Description

The 990-GM/2 (Golden Modem) appliqué is used with the CopperPro 990 DSL
Modem Test for testing ADSL, ADSL2, and ADSL2+ services. It contains an industry-
standard ADSL/2/2+ modem (ATU-R) that is housed in a compact metal case and
carried in the front pouch of the 990 softcase. The pouch flap can be opened for
connecting the Ethernet cable or for viewing the GM/2 Status indicators.
GM/2 Status Indicators
•
POWER: green LED that is located in the upper right corner of the ENET jack.
Indicates that the 990 has applied power to the GM/2 during operation of the
DSL Modem Test.
•
SYNC: green LED that is located in the upper left corner of the ENET jack.
Indicates the following:
•
Flashing (slow or fast): the GM/2 is in the process of training with a far-end
ADSLx DSLAM modem via the DSL Test Cord.
•
Steady: the GM/2 has trained with a DSLAM modem, and link statistics are
available.
GM/2 Connectors
990: RS232 control / power jack that is connected with a flat cable to the 990.
The cable is secured to the GM/2 990 jack and removable at the 990 serial port.
This allows you to plug a standard serial cable into the 990 for downloading
new program versions or uploading stored data files to a PC.
DSL: RJ11 jack that is connected with the attached DSL Test Cord to the line
under test. The DSL Test Cord (RJ11-to-RJ11/Test Clip cable) is coiled inside the
Test Lead pouch. It is connected to the line under test either by attaching the Tip
and Ring clips to a wiring terminal or by inserting the RJ11 plug into the NID
connector or house wiring RJ11 jack.
ENET: RJ45 jack that is used to connect the supplied Ethernet cable to a PC.
PN 2555277
May 2006, Rev. 1, 2/07
© 2006, 2007 Fluke Corporation, All rights reserved. Printed in USA.
All product names are trademarks of their respective companies.
ADSLx Golden Modem

Quick Reference Guide

990-GM/2

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Summary of Contents for Fluke 990-GM/2

  • Page 1: Quick Reference Guide

    Quick Reference Guide General Description The 990-GM/2 (Golden Modem) appliqué is used with the CopperPro 990 DSL Modem Test for testing ADSL, ADSL2, and ADSL2+ services. It contains an industry- standard ADSL/2/2+ modem (ATU-R) that is housed in a compact metal case and carried in the front pouch of the 990 softcase.
  • Page 2 Running a DSL Modem Test To run a DSL Modem Test: Disconnect the subscriber’s ADSLx modem from the line under test. Connect the GM/2 DSL Test Cord (coiled inside the 990’s Test Lead pouch) to the subscriber’s line, using either the cable’s RJ11 plug or the Red & Black (Ring &...
  • Page 3 Press the Bits / Bin softkey on the primary Modem Results screen to retrieve encoding data from the GM/2 and to display the associated graph. This graph shows the number of bits encoded at each DMT bin. It is viewed and operated in the same manner as the 990 ADSL Auto-Test Bits / Bin graph.

  • Page 4: Specifications

    3.21.16 (or greater) LIMITED WARRANTY AND LIMITATION OF LIABILITY Fluke Networks mainframe products will be free from defects in material and workmanship for one year from the date of purchase. Parts, accessories, product repairs and services are warranted for 90 days, unless otherwise stated. Ni-Cad, Ni-MH and Li-Ion batteries, cables or other peripherals are all considered parts or accessories.