ADC H2TU-C-388 Manuel d'utilisateur Page 14
- Page / 66
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Front Panel 152-388-100-02, Issue 2
6 June 6, 2000 H2TU-C-388 List 1
SMJK Remote SmartJack Loopback DSX-1 signal is looped back to the network at the H2TU-R SmartJack
module.
DIAGNOSTIC MESSAGES
A = xx Maximum Loop Attenuation The Attenuation (A) message appears followed by xx, where xx is the
loop attenuation, measured in dB.
ACQ Acquisition The multiplexers of the H2TU-C and H2TU-R are trying to establish
synchronization over the HDSL2 loop.
AnL Acquisition n Loop The multiplexers of the two devices are trying to establish
synchronization with each other, where n is the number of the span.
ARM HiGain System Armed Armed to respond to Intelligent Repeater Loop (ILR) codes.
BAD RT? No Response from H2TU-R The H2TU-C receives no response from the H2TU-R and all HDSL2 loop
conditions are normal. Therefore, the integrity of the H2TU-R or the
HDSL2 loop is questionable.
FERR Framing Bit Error Occurred Framing bit error occurred at H2TU-C DSX-1 input.
FLDL Flash Download Flash download of firmware updates. Contact Customer Service for
update procedures (see “Appendix D - Product Support” on page 54).
HES HDSL2 CRC Error H2TU-C HDSL2 Loop Cyclical Redundancy Check (CRC) error.
LBPV Local Bipolar Violation A bipolar violation has been received at the DSX-1 input to the HiGain
Line Unit.
M=xx HDSL2 Loop Margin Indicates the power of the received HDSL2 signal relative to noise (S/N
with respect to 21.5 dB). Any value of 6 dB or greater is adequate for
reliable system operation.
MNGD Managed The HiGain Line Unit is under control of the HMU-319 Network
management unit. In this state, the front-panel craft port and push
buttons are disabled.
PWR FEED OFF Power Feed Off HDSL2 span power has been turned off by setting the PWRF option to
off, or HDSL2 span power has been turned off by use of the A2LB
Intelligent Office Repeater (IOR) Power Down code.
PWR FEED ON Power Feed On Indicates that the HDSL2 loop is not grounded or shorted.
SIG Signaling The transceivers of the H2TU-C and H2TU-R are trying to establish
contact with each other over the HDSL2 loop.
SnL Signal n Loop The transceivers of the two devices are trying to establish contact with
each other, where n is the number of the span.
SYSTEM INFORMATION MESSAGES
(a)
CODE xxxx Line Code: AMI or B8ZS The line code that H2TU-C-388 is receiving at its DSX-1 interface, if the
DS1 option is set to AUTO. Otherwise, it mimics either of the other two
DS1 line code settings, Alternate Mark Inversion (AMI) or Bipolar with
8-Zero Substitution (B8ZS).
FRM xxxx Frame: SF, ESF, UNFR Defines the type of frame pattern being received from the DSX-1:
SuperFrame (SF), Extended SuperFrame (ESF), Unframed (UNFR).
LATT xx Loop Attenuation The current loop attenuation threshold setting measured in dB.
LIST xx HiGain Line Unit List Number The list number xx.
MARG xx Margin The current margin threshold setting measured in dB.
VER x.xx HiGain Line Unit Software Version
Number
The software version number (x.xx).
(a) System information messages are displayed in scroll mode. To scroll through system information messages, press the MODE
button for 3 or more seconds.
Table 2. Front-Panel Display Messages (Continued)
Message Full Name Description
- USER MANUAL 1
- 152-388-100-02, Issue 2 2
- USING THIS MANUAL 3
- INSPECTING SHIPMENT 3
- TABLE OF CONTENTS 5
- LIST OF FIGURES 7
- LIST OF TABLES 8
- OVERVIEW 9
- COMPATIBILITY 10
- APPLICATIONS 10
- FRONT PANEL 11
- INSTALLATION 15
- VERIFICATION 16
- PROVISIONING 17
- USING A MAINTENANCE TERMINAL 18
- The Logon Screen 19
- Figure 3. Logon Screen 20
- Table 4. Logon Screen Menus 20
- PROVISIONING TASKS 21
- Setting Circuit ID Numbers 22
- Configuring the System 23
- Resetting the H2TU-C 28
- PERFORMANCE 30
- SPACEBAR ENTER 31
- SPACEBAR 32
- FRONT-PANEL SYSTEM ALARMS 44
- Alarm Option for DLC Feed 45
- Retiring System Alarms 45
- Remote LOS and AIS Response 46
- Customer 47
- Premises 47
- Special Loopback Commands 49
- Manual Loopback Session 50
- LOOPBACK TEST PROCEDURES 51
- A3LB and A4LB Test Procedures 55
- APPENDIX A - SPECIFICATIONS 56
- POWER CONSUMPTION 57
- MAXIMUM POWER DISSIPATION 57
- MAXIMUM CURRENT DRAIN 57
- Ω per kft 58
- CRAFT PORT 59
- ROUND FAULT DETECT 60
- APPENDIX C - COMPATIBILITY 61
- APPENDIX D - PRODUCT SUPPORT 62
- APPENDIX E - ABBREVIATIONS 63
- CERTIFICATION AND WARRANTY 65
- DNV C ertificatio n, Inc 66
- REGISTERED FIRM 66
- ISO 9001/TL 9000 66
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