ADTRAN TRACER Manuale utente
61280.003L1-1B PAGE I
6/18/98
TRACER USER’SMANUAL
PAGE II 61280.003L1-1B
6/18/98
RADIO FREQUENCY INTERFERENCE STATEMENT
This equipment has been tested and found to comply with the limits for
an intentional radiator, pursuant to Part 15, Subpart C of the FCC Rules.
This equipment generates, uses, and can radiate radio frequency energy.
If not installed and used in accordance with the instructions, it may
cause interference to radio communications.
The limits are designed to provide reasonable protection against such
interference in a residential situation. However, there is no guarantee
that interference will not occur in a particular installation. If this
equipment does cause interference to radio or television reception, which
can be determined by turning the equipment on and off, the user is
encouraged to try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna of the affected radio or
television.
• Increase the separation between the equipment and the affected
receiver.
• Connect the equipment and the affected receiver to power outlets
on separate circuits.
• Consult the dealer or an experienced radio/TV technician for help.
W A R N I N G
Changes or modifications not expressly approved by ADTRAN
could void the user’s authority to operate the equipment.
SHIELDED CABLES
A shielded-type power cord is required in order to meet FCC emission
limits and also to prevent interference with nearby radio and television
reception when using the AC voltage adapter. It is essential that only
the Adtran-provided power cord be used.
FCC OUTPUT POWER RESTRICTIONS
The FCC does not require licensing to implement this device. However,
the FCC has established restrictions regarding maximum output power
and the adjustments required when employing directional gain antennae.
(Refer to “Setting the Transmitter Power” in Section 2 of this manual).
These restrictions are detailed in FCC Part 15.247 (b)(1), (b)(3)(i), and
(3)(iii). It is the responsibility of the individuals designing and
implementing the radio system to assure compliance with these and any
other pertinent FCC Rules and Regulations. This device must be
professionally installed.
61280.003L1-1B PAGE III
6/18/98
EXPOSURE TO RADIO FREQUENCY FIELDS
This device is designed to provide a maximum power output of 100 mW.
This level of RF energy in itself is below the Maximum Permissible
Exposure (MPE) levels specified in FCC OET 65:97-01. The installation
of high gain antenna equipment in the system configuration may create
the opportunity for exposure to levels higher than recommended for the
general population at a distance less than one meter from the center of
the antenna. The following precautions must be taken during installation
of this equipment:
• The installed antenna must not be located in a manner that allows
exposure of the general population to the direct beam path of the
antenna at a distance less than one meter. Installation on towers,
masts, or rooftops not accessible to the general population is
recommended; or
• Mount the antenna in a manner that prevents any personnel from
entering the area within one meter from the front of the antenna
• During antenna installation, be sure that power to the Tracer
equipment is turned off in order to prevent any energy presence
on the coaxial connector.
• During installation and alignment of the antenna, do not stand in
front of the antenna assembly.
• During installation and alignment of the antenna, do not handle
or touch the front of the antenna.
These simple precautions must be taken to prevent general population
and installation personnel from exposure to RF energy in excess of
specified MPE levels.
PAGE IV 61280.003L1-1B
6/18/98
61280.003L1-1B PAGE V
6/18/98
CONTENTS
INSTALLATION
PAGE
SECTION 1TRACER DESCRIPTION ..................................................... 1
INTRODUCTION .............................................................. 1
ISM BAND SPREAD SPECTRUM ................................... 1
APPLICATIONS ............................................................... 2
SPREAD SPECTRUM ........................................................ 2
Direct Sequence ........................................................... 3
Coding .......................................................................... 3
CHANNEL SELECTION................................................. 3
FORWARD ERROR CORRECTION .................................... 4
T1 OPERATION ....................................................... 4
Framing ........................................................................ 4
Line Code ..................................................................... 4
DS1/DSX-1 Interface .................................................... 5
Line Buildout or LBO.................................................... 5
TRACER SYSTEM CONFIGURATION .................................. 6
Baseband Processor or BBP........................................ 6
DS1/DSX-1 Interface .................................................... 6
VT-100 RS-232 Interface ............................................. 8
Alarm Contacts ............................................................. 8
IF Signal ....................................................................... 8
AC/DC Power................................................................ 9
Controls and Indicators ............................................... 9
Radio Frequency Convertor or RFC ........................... 11
Antenna ......................................................................13
SECTION 2INSTALLATION ..............................................................15
UNPACK, INSPECT ........................................................15
RACK-MOUNTED RFC CONFIGURATION .........................15
MAST-MOUNTED RFC CONFIGURATION .........................15
INSTALLATION ..............................................................16
LOCATION ............................................................16
POWER REQUIREMENTS ...........................................16
GROUNDING .........................................................16
DS1/DSX-1 INTERFACE ........................................18
PAGE VI 61280.003L1-1B
6/18/98
LINK PLANNING ...........................................................19
ANTENNA FEEDLINE LOSS .........................................20
ANTENNA GAIN ......................................................20
PATH LOSS ..........................................................21
PATH AVAILABILITY .................................................21
SETTING THE TRANSMITTER POWER ...................................22
SETTING THE RFC FREQUENCY PLAN ................................23
CONNECTING THE BBP AND THE RFC ..............................24
APPLYING POWER ........................................................25
SETTING THE BBP FREQUENCY PLAN ................................25
SPREADING CODE ........................................................25
CO-LOCATING MULTIPLE 2.4 GHZSYSTEMS .......................25
ANTENNA ALIGNMENT ....................................................26
RF LOW ...................................................................27
REMOTE BERT ..........................................................27
ALARM CONTACTS ........................................................27
SECTION 3OPERATION ................................................................29
VT-100 USER INTERFACE .............................................29
RS-232 INTERFACE ....................................................29
CABLE CONNECTIONS ....................................................29
PASSWORD ................................................................30
MAIN MENU SELECTIONS ...............................................31
SYSTEM STATUS PAGE .............................................31
MAIN MENU PAGE .................................................32
T1 STATUS PAGE ..................................................32
CHANNEL A STATISTICS PAGE ....................................33
CHANNEL B STATISTICS PAGE ....................................33
ALARM PAGE ........................................................34
TEST MENU .........................................................34
CONFIGURATION MENU ............................................35
61280.003L1-1B PAGE VII
6/18/98
SECTION 4TROUBLESHOOTING .......................................................37
GENERAL ..................................................................37
PROBLEM DESCRIPTIONS AND RECOMMENDED ACTIONS ...........38
TROUBLESHOOTING USING THE FRONT PANEL INDICATORS .....38
“Link Error” light is lit, or link is down...................... 38
“BPV” light on T1-A or B is lit ....................................39
RED light on T1-A or B is lit .......................................39
“LBK-A” or “LBK-B” is lit ............................................ 40
“AIS/YEL” on T1-A or T1-B is lit.................................. 40
“AIS/YEL” indicator is flashing................................... 41
No “Power” light.........................................................41
“Test” light is lit or blinking ....................................... 42
“TST” light is lit after pressing “Remote Test button .42
“Fail” light is lit after pressing “Remote Test” button 43
“RF Low” light is on ...................................................43
TROUBLESHOOTING USING THE VT-100 USER INTERFACE..44
RED Alarm .................................................................. 44
BLV Alarm ................................................................... 44
YEL/AIS Alarm ............................................................ 45
RF Link Alarm or Code Sync Alarm ............................ 46
Carrier Sync Alarm or T1 Mux Framer Alarm ............ 47
ES Values in T1 Status Menu...................................... 48
SES Values in History Menu ....................................... 48
SECTION 5SPECIFICATIONS ...........................................................49
TRANSMITTER .............................................................49
RECEIVER ..................................................................49
FREQUENCY PLANS .......................................................49
SPREAD SPECTRUM DATA PUMP ......................................49
INTERFACE SPECIFICATIONS .............................................50
USER INTERFACE .........................................................50
VT-100 TERMINAL INTERFACE ........................................50
MECHANICAL & ENVIRONMENTAL .......................................50
POWER .....................................................................51
SECTION 6WARRANTY, ORDERING AND RETURN INFORMATION .................53
WARRANTY ................................................................53
SALES ......................................................................53
REPAIRS AND RETURNS .................................................53
TECHNICAL SUPPORT ....................................................54
PAGE VIII 61280.003L1-1B
6/18/98
GLOSSARY .............................................................................55
ACRONYMS USED IN THIS MANUAL ....................................55
APPENDIX ACABLE CONNECTIONS ................................................... A-1
TERMINAL CONNECTION (DB25).................................... A-1
PERSONAL COMPUTER CONNECTION (DB9) ....................... A-1
MODEM CONNECTION (DB25) ...................................... A-2
APPENDIX B FCC REGULATIONS .....................................................B-1
AFFIDAVIT FOR CONNECTION OF CUSTOMER PREMISES
EQUIPMENT TO 1.544 MBPS AND/OR SUBRATE
DIGITAL SERVICES .......................................................B-3
61280.003L1-1B PAGE IX
6/18/98
ILLUSTRATIONS
1-1. Typical Application ......................................... 2
1-2. Bandwidth Division ........................................ 3
1-3. BBP ................................................................ 6
1-4. BBP Rear Panel ............................................. 6
1-5. BBP Block Diagram ....................................... 7
1-6. BBP Front Panel (with door closed) .............. 9
1-7. BBP Front Panel (with door open)................. 9
1-8. RFC Module..................................................11
1-9. RFC Function Block Diagram .......................12
1-10.Mast-Mount RFC Housing .............................13
1-11.Rack-Mount RFC Housing ............................13
2-1. Diplexer .......................................................23
3-1. System Status Page......................................31
3-2. Main Menu Page ..........................................32
3-3. T1 Status Page .............................................32
3-4. Channel A Statistics Page ............................33
3-5. Channel B Statistics Page ............................33
3-6. Alarm Page ..................................................34
3-7. Test Menu.....................................................34
3-8 T1 Loopback Locations ................................35
3-9. Configuration Menu .....................................35
PAGE X61280.003L1-1B
6/18/98
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