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PAIRGAIN TECHNOLOGIES
Technical Practice
Engineering - PLANT Series
P
G
AIR
CONTENTS
CAUTION
This product incorporates static sensitive
components. Proper electrostatic discharge
procedures must be followed.
T
AIN
ECHNOLOGIES
MODEL FRL-772 List 1
PairGain # 150-1372-01
CLEI Code: VARHDE0CAA
PAGE
2
2
3
4
4
4
4
5
8
8
8
™
PG-F
RT L
LEX
Figure 1. FRL-772 RT Line Unit, List 1, Front Panel. The
PairGain FRL-772 is the remote end of a PG-Flex subscriber
carrier system.
Section 363-772-100
Revision 01
February 12, 1996
U
INE
NIT
Page 1
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Related Manuals for CopperOptics PairGain PG-Flex RT FRL-772 List 1
Summary of Contents for CopperOptics PairGain PG-Flex RT FRL-772 List 1
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Page 1: Table Of Contents
PAIRGAIN TECHNOLOGIES Section 363-772-100 Technical Practice Revision 01 Engineering - PLANT Series February 12, 1996 ™ PG-F RT L ECHNOLOGIES MODEL FRL-772 List 1 PairGain # 150-1372-01 CLEI Code: VARHDE0CAA CONTENTS PAGE PRODUCT OVERVIEW 1. DESCRIPTION AND FEATURES 2. APPLICATIONS 3. -
Page 2: Product Overview
Section 363-772-100 Revision 01 A. PRODUCT OVERVIEW inch shelf) Channel Units. A common Alarm Unit or Pair Gain Test Controller Interface 1. DESCRIPTION AND FEATURES Unit in each shelf provides an interface for 1.01 The PG-Flex FRL-772 Remote Terminal (RT) maintenance alarm relays and metallic Line Unit is the remote end of the PG-Flex access to the remote subscriber lines. -
Page 3: Specifications
Section 363-772-100 Revision 01 Figure 2 Typical PG-Flex Configuration. TABLE 1. PG-FLEX DISTANCES Loop Length Wire Gauge 12/24 Channel System Resistance 26 AWG (0.4 mm) 9.0 kft (2.8 km) 24 AWG (0.5 mm) 12.3 kft (3.8 km) 22 AWG (0.6 mm) 16.1 kft (5.0 km) 19 AWG... -
Page 4: Certification
Section 363-772-100 Revision 01 5.04 4. CERTIFICATION PairGain will continue to repair faulty modules beyond the warranty program at a nominal 4.01 FCC Compliance. The FRL-772 RT Line Unit charge. Contact your PairGain sales representative for complies with the limits for Class A digital details and pricing. -
Page 5: Terminal Management
Section 363-772-100 Revision 01 • LOOP 1 SYNC LED Indicator 8. TERMINAL MANAGEMENT Green —HDSL line 1 is in sync between the 8.01 The terminal management function at the COT and RT. remote terminal enables a technician to monitor Flashing Green —HDSL line 1 is attempting to the entire PG-Flex system through an ASCII terminal (or synchronize with the remote unit. - Page 6 Section 363-772-100 Revision 01 user to select the segment of the HDSL to 8.03 Menus and Displays. Figure 5 shows the menu be displayed. Each HDSL segment has structure of the terminal management system. one of the following status conditions: Table 4 defines the terms appearing on the Status ACTIVE: The segment is functioning displays.
- Page 7 Section 363-772-100 Revision 01 Figure 5. Terminal Menu and Display Structure. Page 7...
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Page 8: Installation And Test
Section 363-772-100 Revision 01 PairGain as described in Section 5. If you C. INSTALLATION AND TEST must store the equipment for a prolonged period, store the equipment in its original 9. UNPACKING container. 9.01 Upon receipt of the equipment, proceed as follows: 10. - Page 9 Section 363-772-100 Revision 01 TABLE 3. FRL-772 RT LINE UNIT TROUBLESHOOTING Indication Problem Action POWER 1. One or both HDSL lines a. Make the following measurement on the RT Enclosure backplane: LED off are no longer connected • 130 Vdc to 250 Vdc between A_HDSL_T and B_HDSL_T between the COT and b.
- Page 10 The number of seconds the HDSL loop was out of synchronization. This value is a running total of the last 24 hours. (Unavailable Seconds) Copyright © 1996, PairGain Technologies, Inc. PairGain is a registered trademark, CopperOptics and PG-Flex are trademarks of PairGain Technologies, Inc. Page 10...
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