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Section 363-704-102-02

January 12, 1998

Revision 02

Page 2

PairGain Engineering - Plant Series

PG-Flex FLC-704 List 2

2.  Front Panel

2.1

Figure 1 shows the FLC-704 front panel.  Table 1 lists the different states and indications for the
FLC-704 Channel Unit front panel LEDs.

Figure 1.  FLC-704 Front Panel

Table 1.  FLC-704 Front Panel LEDs

LED

LED State

Indicates

Solid green

Channel is off hook.

ACTIVE

Fast flashing green

Channel is in test access mode.

(1 through 8)

Slow flashing green

Channel is ringing.

Off

Channel is on hook.

FAULT

Red

Fault detected by the unit.  Refer to
Table 3 for troubleshooting
procedures.

Off

No faults detected.

Summary of Contents for PG-Flex 8 FLC-704

Page 1: ...704 Model List Number Part Number CLEI Code FLC 704 2 150 1304 02 N A PAIRGAIN TECHNOLOGIES INC ENGINEERING PLANT SERIES TECHNICAL PRACTICE SECTION 363 704 102 02 Revision History of this practice Re...

Page 2: ...S TECHNICAL PRACTICE Two types of messages identified by icons appear in the text A note informs you of special circumstances Cautions indicate the possibility of damage to equipment or the possibilit...

Page 3: ...C 704 Channel Unit includes green status LEDs for each line indicating idle ringing and off hook conditions as well as a red LED indicating a fault condition The channel unit provides metallic test ac...

Page 4: ...dications for the FLC 704 Channel Unit front panel LEDs Figure 1 FLC 704 Front Panel Table 1 FLC 704 Front Panel LEDs LED LED State Indicates Solid green Channel is off hook ACTIVE Fast flashing green...

Page 5: ...OT End to End Loss 2 5 dB 1 0 DC Off Hook Current 30 mA Channel Signature Tip Ring 475 k 1 Tip Ground 332 k 1 Ring Ground open COT 20 Hz Input Impedance 0 5 REN Environmental Operating Elevation 200 f...

Page 6: ...Group 3 facsimile or high speed modem operation on all channels 4 2 System Flex Configuration Figure 2 shows a typical PG Flex system that consists of COT Two complete systems may be installed in a 19...

Page 7: ...the HDSL lines do not require any special conditioning and may include unterminated bridge taps but cannot include load coils Table 2 PG Flex Distances Loop Length Wire Gauge 16 32 Channel System Res...

Page 8: ...rd disconnect detects a subscriber test access signal detects metering tones provides loop closure 5 2 A block diagram of the FLC 704 Channel Unit is shown in Figure 3 One 8 Channel COT Channel Unit s...

Page 9: ...re the equipment for a prolonged period store the equipment in its original container 7 Turn Up and Testing 7 1 Install COT Channel Units 1 Insert each FLC 704 Channel Unit into the COT shelf All LEDs...

Page 10: ...resent at the RT re insert the original Channel Unit and Line Unit Test for ringing at the COT 4 Test for ringing into the COT from the CO switch If no ringing is present refer the trouble to the CO s...

Page 11: ...uestions This system is available 24 hours a day by calling 714 730 3299 Transmission speeds up to 28 8 kbps are supported with a character format of 8 N 1 E CERTIFICATION AND WARRANTY 10 Certificatio...

Page 12: ...ranty 11 3 If a unit needs repair call PairGain for a Return Material Authorization RMA number and return the defective unit freight prepaid along with a brief description of the problem to PairGain R...

Page 13: ...Revision 02 January 12 1998 Section 363 704 102 02 PG Flex FLC 704 List 2 PairGain Engineering Plant Series Page 11...

Page 14: ......

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