PairGain 150-1303-42 Скачать руководство пользователя страница 4

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Section 363-703-142

July 30, 1999

Revision 01

Page 2

PairGain Engineering - Plant Series

FLC-703, List 4B

2. Front Panel

2.1

Figure 1 shows the FLC-703 front panel. Table 1 lists the different states and indications for the
FLC-703 Channel Unit front panel LEDs.

Figure 1. FLC-703 Front Panel

Table 1. FLC-703 Front Panel LEDs

LED

LED State

Indicates

Solid green

Channel is off hook.

ACTIVE

Fast flashing green

Channel is in test.

(1 through 8)

Slow flashing green

Channel is ringing.

Off

Channel is on hook.

FAULT

Red

Fault detected by the unit.

Off

No faults detected.

Содержание 150-1303-42

Страница 1: ...L CENTRAL OFFICE TERMINAL LOOP START GROUND START UNIT Model List Number Part Number CLEI Code FLC 703 4B 150 1303 42 VACHLHGC PAIRGAIN TECHNOLOGIES INC ENGINEERING PLANT SERIES TECHNICAL PRACTICE SEC...

Страница 2: ...amage A warning indicates the possibility of personal injury A PRODUCT OVERVIEW 1 1 Description and Features 1 2 Front Panel 2 3 Specifications 3 B Functional Description 4 4 Applications 4 5 Operatio...

Страница 3: ...unit provides metallic test access to the subscriber line connection through an optional metallic bypass pair Perform metallic bypass testing either manually or through the Pair Gain Test Controller...

Страница 4: ...different states and indications for the FLC 703 Channel Unit front panel LEDs Figure 1 FLC 703 Front Panel Table 1 FLC 703 Front Panel LEDs LED LED State Indicates Solid green Channel is off hook ACT...

Страница 5: ...5 dB 1 0 Ring Ground Resistance 500 Channel Signature Loop Start Lines Ground Start Lines Tip Ring open 23 75 k 1 Tip Ground 162 k 1 162 k 1 Ring Ground 226 k 1 226 k 1 Environmental Operating Elevati...

Страница 6: ...cal system with loop start and ground start services Figure 2 Typical System with Loop Start and Ground Start Capabilities 5 Operational Capabilities 5 1 FLC 703 Functions The FLC 703 Channel Unit pro...

Страница 7: ...egative at the RT The following occurs when a PBX requests service for an outgoing call by grounding the Ring lead at the RT FRC 753 signals the FLC 703 FLC 703 operates a Ring ground relay that reque...

Страница 8: ...ed period store the equipment in its original container 7 Installation Observe normal electrostatic discharge precautions when handling electronic equipment Do not hold electronic plug ins by their ed...

Страница 9: ...t per section 7 2 a Place an outgoing call for each subscriber circuit provisioned and observe that the appropriate ACTIVE LED tracks the progress of the call Table 1 b Place an incoming call for each...

Страница 10: ...r the problem to the customer per local practice 2 If ringing is not present check for ringing at the RT If ringing is present check the pair between the RT and the network interface If no ringing is...

Страница 11: ...c Time Monday Friday excluding holidays technical assistance calls are normally answered directly by a Customer Service Engineer At other times a request for technical assistance is handled by an on d...

Страница 12: ...replace any unit without cost during this period if the unit is found to be defective for any reason other than abuse or improper use or installation 11 2 This module should not be field repaired If...

Страница 13: ...viations CLASS Custom Local Area Signaling Services CO Central Office COT Central Office Terminal DTMF Dual Tone Multi Frequency MLT Mechanized Loop Testing PBX Private Branch Exchange PCM Pulse Code...

Страница 14: ......

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