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CopperOptics PairGain PG-Flex FLL-712 List 1 Manual

24 channel cot line unit
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PAIRGAIN TECHNOLOGIES
Technical Practice
Engineering - PLANT Series
PG-F
List
1
2
CONTENTS
CAUTION
This product incorporates static sensitive
components. Proper electrostatic discharge
procedures must be followed.
™
24 C
LEX
HANNEL
MODEL FLL-712
PairGain #
150-1312-01
150-1312-02
PAGE
2
2
3
4
4
4
6
7
10
10
10
COT L
INE
Figure 1. FLL-712 COT Line Unit Front Panel.
PairGain FLL-712 is the Central Office end of the PG-Flex
subscriber carrier system.
Section 363-712-100
Revision 02
December 18, 1996
U
NIT
CLEI Code
VACHDF0CAA
VACHDFFCAA
Page 1
The

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  • Page 1: Table Of Contents

    PAIRGAIN TECHNOLOGIES Section 363-712-100 Technical Practice Revision 02 Engineering - PLANT Series December 18, 1996 ™ PG-F 24 C COT L HANNEL MODEL FLL-712 List PairGain # CLEI Code 150-1312-01 VACHDF0CAA 150-1312-02 VACHDFFCAA CONTENTS PAGE A. PRODUCT OVERVIEW 1. DESCRIPTION AND FEATURES 2.

  • Page 2: Product Overview

    Section 363-712-100 Revision 02 A. PRODUCT OVERVIEW 2.02 System Flex Configuration. A PG-Flex system, shown in Figure 2 consists of: 1. DESCRIPTION AND FEATURES • Central Office Terminal (COT). 1.01 The PG-Flex FLL-712 Central Office Terminal complete systems may be installed in a 19- (COT) Line Unit is the Central Office end of the PG-Flex inch COT Shelf and four complete systems subscriber carrier system that uses two pairs of...

  • Page 3: Specifications

    Section 363-712-100 Revision 02 Figure 2. Typical PG-Flex Configuration. TABLE 1. PG-FLEX DISTANCES Loop Length Wire Gauge 12/24 Channel System DC Resistance 750 Ω 26 AWG (0.4 mm) 9.0 kft (2.8 km) 638 Ω 24 AWG (0.5 mm) 12.3 kft (3.8 km) 521 Ω...

  • Page 4: Certification

    Section 363-712-100 Revision 02 4. CERTIFICATION 5.04 PairGain will continue to repair faulty modules beyond the warranty program at a nominal charge. Contact 4.01 FCC Compliance. The FLL-712 COT Line Unit your PairGain sales representative for details and pricing. complies with the limits for Class A digital devices pursuant to Part 15 of the FCC rules.
  • Page 5 Section 363-712-100 Revision 02 Figure 3. FLL-712 COT Line Unit Block Diagram. Page 5...

  • Page 6: Front Panel

    Section 363-712-100 Revision 02 • LOOP 2 SYNC LED Indicator 7. FRONT PANEL 7.01 The front panel of the FLL-712 COT Line Unit Green—HDSL line 2 is in sync between the COT contains following indicators connector and RT. (see Figure 1): Flashing Green—HDSL line 2 is attempting to •...

  • Page 7: Terminal Management

    Section 363-712-100 Revision 02 8. TERMINAL MANAGEMENT – Display Channel Status to show the current status of all channels in the system. Each 8.01 The terminal management function of the channel has one of the following status PG-Flex enables a technician to manage the entire PG- conditions: Flex system through an ASCII terminal (or modem with a IDLE: The channel is not off-hook or...
  • Page 8 Section 363-712-100 Revision 02 Figure 4. FLL-712 DB-9 Pin Outs. A standard RS-232 (DB-9) connector on the front panel provides access to the menu interface feature via a dumb terminal. Page 8...
  • Page 9 Section 363-712-100 Revision 02 Figure 5. Terminal Menu and Display Structure. Page 9...

  • Page 10: Installation And Test

    Section 363-712-100 Revision 02 C. INSTALLATION AND TEST as described in Section 5. If you must store the equipment for a prolonged period, store the 9. UNPACKING equipment in its original container. 9.01 Upon receipt of the equipment, proceed as 10.
  • Page 11 Section 363-712-100 Revision 02 TABLE 3. FLL-712 COT LINE UNIT TROUBLESHOOTING Indication Problem Action POWER LED off 1. The COT Shelf is no longer a) Verify that the fuse on the CO receiving CO battery. fuse panel is good. b) Verify wiring between the COT Shield and the CO fuse panel, and from the panel to the CO battery.
  • Page 12 This value is a running total of the last 24 Hours. HDSL 24 Hour UAS The number of seconds the HDSL loop was out of synchronization. (Unavailable Seconds) Copyright © 1996, PairGain Technologies, Inc. PairGain is a registered trademark, CopperOptics and PG-Flex are trademarks of PairGain Technologies, Inc. Page 12...

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