ADC H2TU-C-319 Manuel d'utilisateur Page 84
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Noté. / 5. Basé sur avis des utilisateurs
Appendix E - Abbreviations LTPH-UM-1049-02, Issue 2
76 January 9, 2002 H2TU-C-319 List 4E
APPENDIX E - ABBREVIATIONS
A
ACO: Alarm Cutoff
ACON: Auto Conversion of DS1 frame
ACQ: Acquisition
ADSI: Active DSX-1
AIS: Alarm Indication Signal
ALRM: Alarm Condition
AMI: Alternate Mark Inversion
AUX: Auxiliary
AWG: American Wire Gauge
B
B8ZS: Bipolar with 8-Zero Substitution
BER: Bit Error Rate
BPVT: Bipolar Violation Transparency
BRG: Bridge
C
CLEI: Common Language Equipment Identifier
CLOC: Customer Local Loopback
CO: Central Office
CREM: Customer Remote Loopback
CSA: Carrier Service Area
CTHR: Cut-through
D
DBER: DS1 Bit Error Rate
DDS: Digital Data Service
DLC: Digital Loop Carrier
DSX-1: DS1 Cross-Connect Frame
E
ECI: Equipment Catalog Item
ES: Errored Seconds
ESD: Electrostatic Discharge
ESF: Extended SuperFrame
ES-L: Errored Seconds-Line
ES-P: Errored Seconds-Path
EXZ: The occurrence of 8 consecutive zeroes for B8ZS or 16
for AMI
F
FCON: Framed Conversion of DS1 frame
FERR: Framing Bit Error
FLDL: Flash Download
G
GFD: Ground Fault Detect
H
H2TU-R: HiGain HDSL2 Remote Unit
HBER: HDSL2 Block Error Rate
HCDS: High Capacity Digital Service
I
ID: Identification
L
LA: Loop Attenuation
LAIS: Line Alarm Indication Signal
LATT: Loop Attenuation
LED: Light Emitting Diode
LIU: Line Interface Units
LLOS: Local Loss of Signal
LOS: Loss of Signal
LOSW: Loss of Sync Word
LPF: Line Power Feed
LRAI: Remote Alarm Indicator
M
MAL: Margin Alarm
MONE: Monitor Equipment
MONF: Monitor Facilities
MSEC: Monitored Seconds
MTA: Metallic Test Access
- USER MANUAL 1
- LTPH-UM-1049-02, Issue 2 2
- CTRL ESC 3
- TABLE OF CONTENTS 5
- LIST OF FIGURES 7
- LIST OF TABLES 8
- OVERVIEW 9
- COMPATIBILITY 10
- APPLICATIONS 10
- FRONT PANEL 11
- 3 or more seconds 15
- INSTALLATION 16
- VERIFICATION 17
- PROVISIONING 18
- Loopback Modes 19
- Disabling an Alarm 19
- USING A MAINTENANCE TERMINAL 20
- Figure 3. Logon Screen 21
- Table 4. Logon Screen Menus 21
- PROVISIONING TASKS 22
- Setting Circuit ID Numbers 23
- Configuring the System 24
- Parameter Threshold Count 30
- CV-L (BPV) 133,400 30
- ES-L, ES-P, PRM, PDVS-L 648 30
- SES-L, SES-P 100 30
- UAS-P, UAS-L 10 30
- Table 10. SuperFrame Format 33
- “Don’t care” bit 35
- Test Access 36
- Defective H2TU-L 37
- Standby H2TU-L 37
- Auxiliary 38
- Dual DSX-1 Port Option 39
- Resetting to Factory Defaults 40
- PERFORMANCE 42
- SPACEBAR ENTER 43
- SPACEBAR 45
- USING THE REPORT MENU 58
- Table 20. Report Types 59
- SYSTEM ALARMS 60
- Retiring System Alarms 61
- Remote LOS and AIS Response 62
- Customer 63
- Premises 63
- Generic Loopback Commands 64
- Special Loopback Commands 64
- MANUAL LOOPBACK SESSION 65
- -BAND LOOPBACK SESSIONS 67
- Figure 32. Loopback Modes 68
- A2LB Test Procedures 69
- A3LB and A4LB Test Procedures 72
- SmartJack Test Procedure 72
- APPENDIX A - SPECIFICATIONS 73
- POWER CONSUMPTION 74
- MAXIMUM POWER DISSIPATION 74
- MAXIMUM CURRENT DRAIN 74
- Ω, as shown 75
- Ω per kft 75
- IST 4E CARD-EDGE CONNECTOR 76
- Fuse Alarm 77
- System Alarm Output Pin 78
- CRAFT PORT 79
- Mode SEL 80
- HMU control 80
- HDSL2 SPAN 80
- GROUND FAULT DETECT 81
- APPENDIX C - COMPATIBILITY 82
- APPENDIX D - PRODUCT SUPPORT 83
- APPENDIX E - ABBREVIATIONS 84
- CERTIFICATION AND WARRANTY 87
- ´,-Q¶6o¨ 88
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