1.2 Motorola service policy for P7689 in warrantyvi
1.3 General Safety Informationvii
SECTION 2: P7689 DESCRIPTION
2.1 Specifications of P76892
2.2P7689 Overview3
2.3 Connector Pinout7
2.4Talk time, Weight and Volume Matrix7
2.5Battery Charging Times8
2.6Battery Technology8
2.7Physical Dimensions8
SECTION 3: FEATURE LIST
3.1List of Features available10
3.2Menu10
3.3Phone Book10
3.4Call Related Features11
3.5Messages12
3.6Phone Set Up (Ext Menu – Off)13
3.7Phone Set Up (Ext Menu – On)14
3.8Network selection15
3.9Call Meters15
3.10Date Book16
3.11Games16
3.9 Accessory set-up16
Page Number
SECTION 4: DISASSEMBLY & PARTS
4.1 Dissasembly Introduction18
4.2 Recommended Tools18
4.3 Disassembly Procedure18
4.4 Assembly procedure18
4.5 Exploded Parts diagram (AAUG175AA)19
4.6 Part Numbers20
SECTION 5: SIM CARDS AND SECURITY
5.1Manual test mode42
5.2Live Sim Card42
5.3Personality Transfer42
5.4GSM Test Command44
5.5Identity and Security45
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P7689 / P7789
SECTION 6: REPAIR & TEST PROCEDURES
6.1Repair introduction47
6.2Mechanical repairs47
6.3Basic modular troubleshooting47
6.4Software Upgrade50
6.5Flexing50
6.6Testing on HP 892251
6.7Testing IrDA Port51
SECTION 7: ACCESSORIES
7.1Accessory Statement54
7.2Mid Rate Charger Information54
7.3Accessory Listing54
SECTION 8: SALES MODELS
8.1Sales Models56
SECTION 9: GLOSSARY OF TERMS
9.1 List of Abbreviations60
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SECTION 1: GENERAL
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1.1 Introduction
This manual is intended for use by technicians familiar with similar types of equipment. It contains all
service information required for the equipment described and is current as of the printing date.
Although there is a P7689 Flat and a P7789 Flipped version of this unit we shall just refer to one
model from now on, the P7689.
The scope of this document is to provide the reader with basic information relating to the P7689, and
also to provide procedures and processes for repairing the units up to and including Level 2 repair.
Level 1 and 2 repairs involve the following activities to be carried out: -
• Unit swap out
• Repairing of mechanical faults
• Basic modular troubleshooting
• Testing and verification of unit functionality
• Upgrading software
• Flexing units
• Initiate warranty claims and send faulty modules to Level 3 or 4 repair centres.
Computer Software Copyrights
The Motorola products described in this instruction manual may include copyrighted Motorola
computer programs stored in semi-conductor memories or other media. Laws in the United States and
other countries preserve for Motorola certain exclusive rights for copyrighted computer programs,
including the exclusive right to copy or reproduce in any form the copyrighted computer program.
Accordingly, any copyrighted Motorola computer programs contained in the Motorola products
described in this instruction manual may not be copied or reproduced in any manner without the
express written permission of Motorola. Furthermore, the purchase of Motorola products shall not be
deemed to grant either directly or by implication, estoppel, or otherwise, any license under the
copyrights, patents or patent applications of Motorola, except for the normal non-exclusive, royalty
free license to use that arises by operation of law in the sale of a product.
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1.2Motorola Service Policy for P7689 in warranty
1.2.1Warranty:
Product will be sold with the standard 12 months warranty terms and conditions. Accidental damage
misuse, retailers extended warranties will not be supported under warranty. Non warranty repairs will
be available at agreed fixed repair prices.
Proof of purchase will be required to validate warranty claims.
1.2.2 Out of Box Failure Policy
The standard OOB failure criteria will apply. Customer units that fail very early on, after date of sale,
are to be returned to Manufacturing for root cause analysis, to guard against epidemic criteria.
Manufacturing to bear the costs of early life failure.
1.2.3Product Support
Customers original units will be repaired but not refurbished as standard. Appointed Motorola Service
Hubs will perform warranty and non-warranty field service for level 2 (assemblies) and level 3 (limited
PCB component). The Motorola HTC centres will perform level 4 (full component) repairs.
1.2.4 Customer Support:
This will be available through dedicated Call Centres and In Country Help Desks.
Product Service training should be arranged through the local Motorola Support Centre.
1.2.5Replacement Parts Ordering
Only centres authorized to carry out repairs will be able to purchase spare parts. Orders for spare parts
from Hub’s and Hi-Tech Centres should be placed with the regional Motorola Parts Distribution
Centre.
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1.3General Safety Information
1.3.1 Portable Operation
•DO NOT hold the radio so that the antenna is very close to, or touching, exposed parts of the body,
especially the face or eyes whilst transmitting. The radio will perform best if it is held in the same
manner as you would hold a ‘land’ telephone handset, with the antenna angled up and over your
shoulder.
•DO NOT operate the portable phone in an aircraft. Switch off your telephone. The use of a cellular
telephone in an aircraft may be dangerous to the operation of the aircraft, disruption of the Cellular
Network may occur, and is illegal. Failure to observe this instruction may lead to a suspension or
denial of Cellular Telephone Service to the offender, or legal action, or both.
1.3.2 Mobile/Portable Operation - Telephone use in Vehicles:
• All equipment must be properly grounded according to installation instructions for safe operation.
• Users are advised to turn off their equipment when at a refueling point.
• Safety is every driver’s responsibility. Cellular telephones should only be used in situations in
which the driver considers it safe to do so.
1.3.3 General
• DO NOT allow children to play with any radio equipment containing a transmitter.
• DO NOT operate this equipment near electrical blasting caps or in an explosive atmosphere.
Mobile Telephones are, under certain conditions, capable of interfering with blasting operations.
When you are in the vicinity of such work, look out for and observe signs cautioning against
mobile radio transmission. If transmission is prohibited, you must turn off your mobile telephone
to prevent any transmission.
In standby mode the mobile telephone will automatically transmit to acknowledge a call if it is not
turned off.
•Refer to the appropriate section of the product user manual for additional pertinent safety
information
•All equipment should be serviced only by a Motorola qualified technician.
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SECTION 2:
P7689
DESCRIPTION
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2.1 Specifications of P7689
General
Function
Frequency Range GSM
Frequency Range DCS
Frequency Range PCS
Channel Spacing200 kHz
Channels174 GSM/374 DCS carriers with 8 channels per carrier
ModulationGMSK at BT = 0.3
Transmitter Phase Accuracy5 Degrees RMS, 20 Degrees peak
Duplex Spacing45 MHz GSM 95MHz DCS 80MHz PCS
Frequency Stability+ 0.10 ppm of the downlink frequency (Rx)
Operating VoltageFull Rate PSU = 4.4V +/- 5%
Transmit CurrentTypically 250 ma avg, 1.0A peak
Stand-by CurrentTypically 7.0 ma (DRX2)
Dimensions130mm x 46mm x 23 mm (max. Thk.)
Size (Volume)97 cc with Dao 550 mAh LiO Battery
Weight102.9g with Dao 550 mAh LiO Battery
Temperature Range-10C to +55C
(During Charging = VBatt +/-5% 6.63V
Mid Rate Charger = 5.9V +/- 0.3V
CLA Supply = 4.4V
Battery Operating Voltage = 2.85V(Radio Shut Down voltage)
To 4.2V Max
Transmitter
FunctionSpecification
RF Power Output33 dBm + 2dB GSM/ 30 dBm + 2 dB DCS
Output Impedance50 ohms (nominal)
Spurious Emissions-36 dBm from 0.1 to 1 Ghz
-30 dBm from 1 to 4 Ghz
Receiver
FunctionSpecification
RF Level-102 dBm
RX bit error rate (100 k bits)< 2%
Channel Hop Time500 microseconds
Time to CampApproximately 5-10 seconds
Speech Coding
FunctionSpecification
Speech Coding TypeRegular Pulse Excitation / Linear Predictive Coding with Long
Term Prediction. (RPE LPC with LTP).
Bit Rate13.0 k bps
Frame Duration20 ms
Block Length260 bits
ClassesClass 1 bits = 182 bits. Class 2 bits = 78 bits
Bit Rate with FEC Encoding22.8 k bps
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2.2P7689 Overview
The P7689 is of the Tri Band technology range allowing roaming using the GSM 900 / 1800 / 1900
bands. (see below) The unit is a follow on but will not replace the L7389 / L7489. As will be seen, the
form factor for the P7689 is very different to P7389 or V2088. The unit will still be marketed within
the Timeport brand, aimed at the organised business users. The following are a few of the main selling
features that will be included with the unit.
• Using the Whitecap lower voltage technology this offers good standby and talk times(see below)
• Extended GSM channels
• Tri-Codec allowing Full Rate / Half Rate / Enhanced Full Rate modes of transmission.
• SIM Toolkit.(STK 2.4)
• Enhanced Infrared Data link (see below)
• 3 Pin RS232 connection.
• PIM _ Personal Information Manager – basic diary function
• 96 x 64 row full graphics TMF film (for enhanced contrast) with contrast control. (larger display
that P7389)
• Internal Headset
• Speaker Dependant Voice recognition (see below)
• Vibracall
• Voicenotes
• WAP 1.1. compliant
• Datebook
• Answering Machine
• Silent Answer
• Calling Name Presentation
• Display Animation
• Scheduled Call Divert
• Concatenated SMS
• Smart Card support – E- Commerce
• Blue Backlights
• Chromed Keypad for OK and C Keys, chrome rocker MENU key and all other keys, film type
with transparent numbering.
• New Ringer Tones
• Programmable Ringer Tones
• Enhanced Chinese Key entry
• New Games – (see below)
TM
TM
Alarmed with selective erase – 2 minutes
IrDA – Infra red Data Association, This feature will allow the user to link their mobile phone to their
computer terminal. This will allow the user to upload and download information, such as phonebok
information, SMS messages, FAX data etc… without the requirement for cables. The unit can also
communicate with other IrDA devices such as pagers and other mobile phones.
Perfect alignment of the beam is not required due to the spread of the beam.
IP SMS allows SMS messages to be constucted on a PC then downloaded to the P7689 to be
transmtted.
IP Phonebook allows very easy and extremely flexible download / upload of phonebook information,
enabling select phonebooks available to each user, which can be quickly changed for example when
travelling to different areas.
The last 10 calls made and received can also be downloaded allowing databases to be created.
The P7689 can be placed into IrDA mode via either the quick access menu or through the Phone Set up
menu structure ‘ Activated’ will appear on the screen once the feature has been selected followed by
‘Connection Made’ once transfer of data is available between the P7689 and the other device. The
P7689 software allows more devices to be synchronised with phone e.g.Win NT, Psion and Palm.
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Phone with
Wireless
WAP
ISP
Speaker Dependant Voice Recognition – This feature allows ‘Voice Tags’ to be allocated to upto 25
names within the users phone memory and also upto 15 Voice tags be allocated to the quick access
functions. The unit must be ‘trained’ for this function (ie the voice tags must first be read into the
phones memory twice before recognition can be made.)
Two main points whilst using this option.
*THERE WILL BE NO SERVICE DURING ‘TRAINING’ WHICH MEANS THE USER CANNOT
RECEIVE OR MAKE CALLS DURING THIS TIME.
*THE VOICE TAGS CAN ONLY BE ADDED TO THE PHONES MEMORY, AS GSM DOES NOT
ALLOW THE OPTION TO STORE VOICE TAGS ONTO THE SIM CARD.
Voice tags can be added to the phones memory using the usual name addition methods ie via the
phonebook menu structure, using the M+ key, or using the quick access keys.
To make a call to a person allocated with a voice tag, the smart button must first be pressed, then the
P7689 will ask for a name, if the name is recognised, then the name will be repeated and displayed on
the screen. A call can then be placed.
For access to one of the quick access functions the quick access key must first be pressed, a name will
then be asked for, if the name is recognised e.g. Battery Meter then the name will be repeated and the
corresponding feature e.g. the battery meter will be displayed on the screen.
If 2 names are too alike then the unit will request another name.
CUG (Closed User Group) This is a network application which allows a select group of users only to
use a particular group of mobile units e.g. In the circumstance where a manager of a field service team
only wants the team to be able to call other users within his team (or CUG).
Phase 2 USSD (Unstructured Supplementary Services Data) – This is an application whereby
pressing a certain key or combination of keys whilst in idle mode ie not in a call can access certain
network functions such as helplines etc...
In the WAP environment this is how the access is made.
••
1. The request for information is made in WML (Wireless Markup Language) derived from HTML.
2. Request is passed to WAP Gateway, which retrieves the information from the server in standard
HTML (which is then filtered to WML) or if available WML format.
3. The information is then passed the cellular user, via the cellular network provider.
is preferred)
account
Gateway
•There will be 5 Data parameters that the user will be able to edit:
-Baud rate - between 2400 and 14400
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-Idle time out
-Line type
-Phone Number
-Connection type
•For image download, the bitmap image will be downloaded as text and if the image is larger than
the screen then only part of the image will be displayed
•Ways to access Browser - Quick access key and Feature Menu
During browser mode, if incoming call is received then the browser will be paused with the user having
the option to resume after the call.
Simplified Alpha Text Entry - This gives the allowance to use all forms of Roman and Chinese Key
entry on a 96 X 54 display.
At present only Latin based characters can be entered using the multi tap key entry.
There are 3 forms of CKE (Chinese Key Entry):
• Pin Yin - Simplified Chinese (Mainland China)
• Bo-po-mo-pho - Complex Chinese (Taiwan)
• Stroke based method for both Simple and Complex
• Can be used with phone book and SMS features
• European and Pan American models will be able to switch between Roman and Latin Key Entry
• Asian Models will be able to switch between all Key entries.
Calling Name Presentation - This is an improvement on the existing name presentation.
• At present name from phone book is displayed by comparing last 8 digits of Number
• New feature will show name as sent by the network. This is up to 80 characters, but will be
shortened to 12 for the phonebook.
• This functionality must be subscribed to with network.
• Caller can restrict this
• On call arrival phone Number is compared to phonebook if match is found but name is not
allocated then callers name will be stored.(However if there is any text against that number it will
not be overwritten)
Display Animation - Aimed at physically showing the customer is executing commands.
Existing animations are for Power up and Down sequences.
• New animations -
• Incoming / sending call
• Incoming / sending SMS
• IrDA Quick Access icon
Call Divert Interrogation - This function is just a more accurate way of ensuring that the caller is
diverted to the correct number, this is mainly achieved through the co-operation of the network
providers.
Concatenated SMS - Concatenated: A series of linked events
Increases the amount of characters that can be sent and received from the phone.
Currently can send 1 SMS of 160 characters and the SIM can store 10 of these.
New functionality will support 5 X 153 Character messages and the SIM will be able to hold between
30 and 75 slots dependant on type of card and memory already allocated, each slot will hold 160
characters.
Connectivity – The P7689 will support the Communicate soft Modem via the RS232 cable
56K global Modem and AT Command parsing via IrDA.
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Games – There will be 3 games supported, these being :
• Brick
• Baccarat
• Tower of Hanoi
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Fig 2.1 Mechanical
pictorial Overview
Screw
Rear latch
SIM Contacts
Battery
Belt Clip
Accessory
Voice notes
TM
Chromed Keys
Rocker Key
Service
Internal Headset
Smart Key
Mic Port
Locations
Antenna
96 x 64 LCD
IrDA Port
Speaker Port
Indicator
Socket
button
Recess
Volume Keys
Contacts
Connector
There will be 4 colours of front housing – Metallic Silver / Metallic Titanium / Metallic Graphite /
Metallic Aluminium.
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1
2.3 Connector Pinouts
1.GND2.SW_RF
3.GND4.BATT_FDBK
5.MAN_TEST_AD6.RS232_TX
7.RS232_RX8.CHG_EN
9.ON_2*10.GND
11.DSC_IN*12.DOWNLINK
13.DSC_ENEXT B+
15.GND
14
Charger Socket Pin Layout
2.4Talk Times, Weight and Volume Matrix
Volume (cc)Weight (g)Talk Time
(min)*
97 cc102.6 g120-180 40-130550 mAh LiIon
102 cc106.2 g120-21045-150Slim LSQ6 600mAh Li Ion
113 cc129.5 g210-33070-240LSQ8 900 mAh Li Ion
Standby Time
(hours)*
with Battery
All battery performance times are approximate and will vary depending on network
configuration, band and status, and the functions selected. Times are quoted as a range
from DRX=2 to DRX=9. Support of DTX mode is dependent on network support and
may not be available in all areas.
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2.5Battery Charging Times
Identical to Leap, maximum charge times shown.
BatteryLeap Mid Rate Travel Charger to
90% charge (LiIon only)
LSQ6 600 mAh LiIon120 min
LSQ8 900 mAh LiIon230 min
Dao 550 mAh LiIon110 min
2.6Battery Technology
Battery technology will use the 3.6 V platform and use label-wrapped batteries. Jade
will also employ battery safety that will not allow the phone to charge a non-Motorola
battery.
The P7689 will allow battery charging via mid rate charger or EP charger via the
Hirose connector.
2.7Physical Dimensions
DimensionsP7789P7689
Length130 mm130 mm
Width46 mm46 mm
Extra slim battery door
With Slim LiIon battery
(550 mAH)
Slim battery door
With LSQ6 (600 mAH
LiIon)
Thick battery door With
LSQ8 (900 mAH LiIon)
Depth25 mm23 mm
Volume108 cc97 cc
Weight107 g102.9 g
Depth26 mm24 mm
Volume112 cc102 cc
Weight110 g106.2 g
Depth27 mm26 mm
Volume124 cc113 cc
Weight130 g129.5 g
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SECTION 3: FEATURE LIST
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Menu
Features
Personal Numbers
Enter Name
Check Capacity
Check phone Capacity
Missed Calls
Setup
1st Generation Menu
My phone number(s)
Fixed dialing
Dial Setting
Made Calls
Internet
Selection
Erase all numbers
2.Switch View
3.1List of Features Available
Below is the list of Menu functions available at present.
2nd Generation Menu
3rd Generation Menu
4th Generation Menu
5th Generation Menu
6th Generation Menu
Voice Dialing
Last 10 Calls
Answered Calls
Phone Book
Call Related
Messages
Access
PHONE BOOK
1.Call Number
2.Switch View
3.Add to Phone memory
4.Add to SIM Memory
1.Call Number
Network
Call Meters
Phone Setup
Accessory
Find Entry
by Name
Find Entry
By Location
Date Book
Only Available
with Headset
or Car Kit
connected
Enter
Location
Games
1.Call Number
2.Modify Name or number
3.Erase name or number
4. Add or Edit Voice Tag
5. Delete Voice Tag
6. Create Phone book Group*
7.Modify Phone Book group*
* Entry by name only
Show Services
One-Touch
Add Entry
View fixed dial list
Setup
fixed
Dialing
1.To Phone Memory
2.To SIM memory
3.To Fixed Dial list
Enter
Pin2
1.On
2.Off
3.Edit Entry
4.Add Entry
5.Erase Entry
Prevent access
SIM Copy
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Add to phone memory
Add to SIM Card Memory
Check SIM Capacity
1.No memory restrictions
2.To SIM card memory
3. To Phone Memory
4. To Phone and Sim Memory
1.SIM Card to Phone Memory
2.Phone to SIM card memory
Add Voice Tag
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P7689 / P7789
CALL RELATED
FEATURES
Phone number
2.Off
2.Off
Bar outgoing calls
Bar Incoming Calls
3.Off
Divert Voice calls
2.Off
2.Off
Divert Fax Calls
2.Off
Divert Data Calls
Cancel all diverting
Show battery meter
Restrict my
Call Diverting
Call waiting
Call Barring
Key Answer
Only
(Flip Only)
1.Show ID on next call
2.Restrict ID on next call
1.On
1.On
1.Int’l Calls
2.Int’l Calls Except home
3.All Calls
4.Off
1.When Roaming
2.All Calls
Change Bar password
Cancel all barring
1.On
2.Off
Divert when unavailable
1.On
1.On
2.Off
Detailed Diverting
Scheduled Diverting
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If Busy
If not reachable
If No Answer
1.On
2.Off
1.On
1.On
1.On
2.Off
1.On
2.Off
1.On
2.Off
Page 20
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P7689 / P7789
Go to Next message
Delete Message
Return Call
Edit Message
Switch View
Send message
Edit message
2.Store message
Cell broadcast
Show Time Available
Go To Next
On
Off
Channel List
Language List
Play Announcement
Record Announcement
Call Voicemail
Messages
Answering
Received messages
Outgoing Messages
Switch View
Retrieve Number
Reply to message
Delete all messages
1.Send Message
2.Store Message
1.Send message
Play New
Play All
Answering
Machine –
On / Off
Answer on X Rings
Mode – Audio/Silent
Delete message
Go To Next Message
Message Settings
Message EditorEdit MessageSend message
Voice notesPlay Voice Notes
1.Voicemail Number
2.Service Centre
3.Expiry Period
4.Outgoing message type
Store Message
Erase all Voice Notes
1.Channel Index
2.Delete all Channels
Enter Number
Stored to Outgoing
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PHONE SETUP
Ext. Menu - Off
Adjust Ring volume
Ring or Vibrate
Phone Lock
Require SIM card pin
New security code
Extended menus
Activate IR Port
Music Tone
Automatic Lock
Lock Now
Change Unlock mode
2.Off
Select phone line
5.Send as SMS
1.Ring only
2.Vibrate only
3.Vibrate then Ring
4.No Ring or vibrate
Set Ringer Tone
Set Ringer Tone 2
Set Alarm Ringer Tone
Set Message Alert Tone
Silent Answer
Edit Music Tone
Quick Access set up
Adjust Contrast
Change SIM PIN2 Code
1.Record Message
2.Review Message
3.Delay Period
1. Assign key to feature
2. Add or Edit Voice Tag
3. Delete Voice Tag
1.On
2.Off
3.Change SIM pin Code
Standard Tone
.
.
1.Play Music
2.Save Music
3.Erase Music
4.Change Tempo
1.On
2.Off
1.On
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Automatic
Battery saving mode
Phone Status
2.Off
3.Master Clear
Entry Method Selection
PHONE SETUP
Ext. Menu - On
Extended menus
2.Off
Set Animation
2.Off
Show Time and Date
Set Time and Date
1.On
Set Time Format
Language Selection
Select Keypad tones
English
.
.
1.On
1.On
1.Normal Tones
2.Single Tones
3.No Tones
1.Status review
2.Master reset
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NETWORK
SELECTION
2.Make Preferred
Network Search
Search
2.Delete Selection
3.Credit remaining
Single Alert Timer
Repetitive Timer
2.Off
2.Off
4.No in call display
Reset Call charges
Set Total Charge Limit
Set Charge Type
Networks
Change BandSelect band
Available
Networks
Preferred
Networks
Find New
Networks
1.Register Now
Registration
Frequency of
Add network
to List
Show List of
1.Change to 900 / 1800
2.Change to 900
3. Change to 1800
4. Change to 1900
1.Automatic Search
1.Slow Search
2.Medium Search
3.Fast Search
4.Continuous Search
1.Choose From Available
2.Choose From Known
3.Add new Network Code
1.Move to New Location
CALL METERS
Show Call charges
Show call timers
Set audible Call Timers
Set in call Display
Call charge settings
Lifetime Timer
1.Show last call
2.Total for all calls
1.Show last call
2.Total for all calls
1.On
1.On
1.Show time per call
2.Show Charge per call
3.Show total Call charges
1.On
2.Off
1.Units
2.Currency
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ACCESSORY
NB. THIS MENU IS ONLY AVAILABLE WITH EITHER HEADSET PLUGGED IN OR
Add Event
Bricks
View Today
View Another Day
Set Reminder Period
DATE BOOK
GAMES
Tower of Hanoi
Baccarat
WHEN INSTALLED IN A CAR KIT.
Mute Car Radio
Automatic Answer
1.New Game
2.Saved Game
3.Best Score
SETUP
1.ON
2.Off
1.On
2.Off
Automatic Handsfree
Safety Timer
Auxillary alert
1.On
2.Off
1.On
2.Off
1.On
2.Off
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P7689 / P7789
SECTION 4: DISASSEMBLY &
PARTS
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P7689 / P7789
shipping and servicing the internal components of this equipment.
4.1 Disassembly Introduction
The P7689 is held together by 5 screws. 2 of these screws are placed under the escutcheon, at the top of
the phone.Unlike most products in the past there is no flex that holds the display module, this is held in
place with 4 clips. Also note that unlike the P7389 instead of a sixth screw on the edge of the middle of
the unit there is now a hinge see Page 6
Ensure that a properly grounded high impedance conductive wrist strap is used whilst performing any
tasks during the disassembly and assembly of the unit
Avoid stressing the plastics in any way to avoid damage to either the plastics or internal components.
!! CAUTION !!
Many of the intergrated devices used in this equipment are vulnerable to damage from
electro-static charges. Ensure that adequate static protection is in place when handling,
4.2Recommended Tools
The following tools are recommended for use during the assembly / disassembly of the P7689.
•Anti-static Mat Kit - 0180386A82, includes:
Antistatic mat 66-80387A95
Ground Cord 66-80334B36
Wrist Band 42-80385A59
• Plastic Bladed Tool SLN7223A
• T6 Torx Driver
4.3 Disassembly Procedure
The following set of diagrams will demonstrate the correct sequence and action required to disassemble
the P7689
The use of the exploded diagram on pages 24 & 25 may be of some assistance for part recognition.
4.4Assembly Procedure
Once the unit is disassembled and the repair is carried out, the unit must then be reassembled, this is
carried out in the exact reverse order as the disassembly. Although the housings are put back together
parrallel to each other not ‘hinged’ apart as in disassembly.
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P7689 / P7789
the
top of SIM and then push
from rear of unit.
1. Remove battery door
bypressing down on clip
and sliding back.
2. Remove battery by
pushing and lifting at
same time.
3. Press down on Panel at
SIM from bottom upwards
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4. Remove Escutcheon
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P7689 / P7789
button side.
(Anti – Clockwise)
5. Unscrew antenna
6. Unscrew all of the 6
screws.
7. Remove the rear
from the front housing,
opening from the VA
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8. Levering from the side
opposite the headset socket,
carefully prize PCB from Front
Housing.
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P7689 / P7789
from rear housing
from rear housing
9. Remove Alert speaker
10. Remove vibrator
13. Remove keypad
from front housing
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14.Remove volume switches
from front housing.
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P7689 / P7789
this process, replace.
15. Carefully press down on
Service Indicator, if it gets
damaged / scratched during
16. Unclip the 4 retaining
catches remove the display
module
17. Remove Infra- Red port
cover by lifting upwards
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18. Remove Microphone
from front housing
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P7689 / P7789
protect the connector)
19. Carefully prise
speaker from front
housing. Do not refit
20. Remove RTC Battery board
from main PCB. (Ensure this board
is kept parallel to the main board to
.. Eschuteon- Not Set UpNot Set UpNot Set UpNot Set Up
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SECTION 5: SIM CARDS AND
SECURITY
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5.1 Manual Test Mode
The GSM Motorola P7689 is equipped with a manual test mode capability. This capability allows
service personnel to take control of the unit, and by entering certain keypad commands, make the unit
performs desired functions.
To enter the manual test command mode, a GSM / DCS test sim (Part No 8102430Z04) must be used.
The test sim is inserted into the SIM slot beneath the battery (See figure 6.1), the battery should then
be re-inserted and the unit powered on. The # button should then be pressed for approximatly 3
second until ‘test’ appears on the display, and the correct commands must then be followed.
SIM CARD
Figure 6.1 SIM Card insertion
5.2 Live Sim Card
A SIM (Subscriber Identity module) card will be required to access the existing local GSM / DCS /
PCS cellular network, or remote networks when travelling. (If the roaming agreement has been made
with the provider.)
The SIM card contains all the data necessary to access GSM services, and also:
• The ability to store user information such as phone numbers etc…
• All information required by the network provider to provide use to the network
• For WAP Capability the SIM card must be Data enabled
5.3 Personality Transfer
5.3.1Introduction
Personality Transfers are required when a phone is Express Exchanged or when the main board is
replaced. The reason for personality transfers are to reproduce the customer’s original personalized
details such as menu and stored memory such as phone books etc… or even just to program a unit with
basic user information such as language selection. There are two possible methods of transferring this
information from unit to unit, or with a master transfer, card to unit: -
• Normal Transfer is used when the customer’s original unit still powers up and as discussed above
the customers personalized menu selections etc… are required to be transferred to the replacement unit.
• Master Transfer is used when the faulty unit will not power up and the transfer is used to configure
the replacement board to a set standard.
Below is the procedure to set up a Master Transfer Card and to carry out each method of transfer
correctly.
5.3.2Normal Transfer
1. Insert transfer card into ‘Donor’ Unit. Turn unit on till ‘Clone’ appears.
2. Enter 021# to upload first block of data. ‘Please wait’ will be displayed.
3. Remove card.
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4. Insert card into replacement unit, or unit with new main RF / Logic PCB.
5. Turn unit on wait till ‘Clone’ appears.
6. Enter 03# ‘Please wait’ will be displayed while data is transferred.
7. Repeat steps 1 – 6 but enter 022# at step 2 to transfer data on to Clone card.
8. Repeat steps 1 – 6 but enter 025# at step 2 to transfer data on to Clone card.
5.3.3Master SIM Card Creation
1. Insert transfer card into a unit with the desired setup Pwr on and wait till unit displays ‘Clone’
2. Enter 024# to copy unit ‘personality’ onto card. ‘Please wait’ will be displayed
3. Master Transfer card is created.
5.3.4Master Transfer
1. Insert Master Transfer Card (explained above) into replacement unit. Pwr on and wait till unit
displays ‘Clone’
2. Enter 03# to download data into replacement unit. Please wait will be displayed.
3. When ‘Clone’ reappears download is completed.
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5.4 GSM Test Commands
This is a list of Level 1 and 2 Test commands available to P7689
Table 6.1 Test commands
Key SequenceTest Function/Name
#(hold down for 2 seconds)Enter manual test mode
01#Exit manual test mode
07x#Mute RX audio path
08#Unmute RX audio path
09#Mute TX audio path
10#Unmute TX audio path
15x#Generate tone
16#Mute tone generator
19#Display S/W version number of Call Processor
20#Display S/W version number of Modem
36#Initiate acoustic loopback
37#Stop test
38#Activate Mini SIM
39#Deactivate Mini SIM
43x#Change audio path
47x#Set audio volume
51#Enable sidetone
52#Disable sidetone
57#Initialize non-volatile memory
58#Display security code
58xxxxxx#Modify security code
59#Display lock code
59xxx#Modify lock code
60#Display IMEI
99#Display all display pixels
GSM Test Commands
15XX#36XX#
90#Vibrator0 or OmittedFull Rate
91#Ringer1Enhanced Full rate
2Half Rate
98#
20#GSM 1800
21#GSM 900
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APC
1 digit
2 digits
SNR
4 digits
I.e. Startac 130
I.e. Easter Inch
Month of Shipment
number
5.5 Identity and Security
Each Motorola GSM Cellular Cassette will be labelled with various number configurations. The
following information describes what these configurations mean.
MSN
The mechanical Serial Number (MSN) is an individual unit identity number and will remain with the
unit throughout the life of the unit.
The MSN can be used to log and track a unit on Motorola’s EPPRS system.
The MSN is divided into 4 sections.
MSN 10 Digits
Account Product Code
DC
Distribution Center
DC
Date Code: Year and
Units individual serial
Figure 5.2 MSN label breakdown
IMEI
The International Mobile station Equipment Identity (IMEI) number is an individual number unique to
the PCB and is stored within the unit’s memory. The following figure gives a description of the make
up of this number.
IMEI 16 Digits
6 digits2 digits
TACFACSNR
Type Approval codeDistribution Center
factory code
6 digits2 digits
IU
Individual PCB Serial
Number
Internal use – spare
digits
Figure 5.3 IMEI label breakdown
Some other label number configurations that will be present will be: -
XCVR NUMBER: Identifies type of product. i.e. P7689 (Usually SWF number)
PACKAGE NUMBER: Determines type of equipment, mode in which it was shipped and language
with which it was shipped.
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SECTION 6: REPAIR AND TEST
PROCEDURES
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Defective Logic/RF assemblies must be replaced
6.1 Repair Introduction
The P7689 is divided into 3 main sections when it comes to part replacability: The housings which
contains the alert, speaker, mic, the main PCB which contains RF / Logic circuitry and the keypad
interface and finally the display module which connects to the main PCB via a elastomer connector. If
the RF / Logic board is required to be changed then a full service tranceiver should be ordered as there
is no replacement PCB available. Also a personality transfer would be necessary.
6.2Mechanical repairs
Assembly replacement level troubleshooting and repair of the P7689 is limited to isolation and
replacement of the main mechanical parts only (See Exploded parts diagram and associated parts list
p19 & p20)
6.3Basic Modular Troubleshooting
The troubleshooting information in Table 2 shows some typical malfunction symptoms, and for the
corresponding verification and repair procedures refer to the disassembly instructions located in the
disassembly section of this manual. (Section 4).
Measure battery. If the battery voltage is <4.00 V dc,
recharge the battery using the appropriate battery
charger. If the battery will not recharge, replace the
battery.
If battery is not at fault, proceed to b.
2. Personal telephone exhibits poor
reception and/or erratic operation
(such as calls frequently dropping,
Weak and/or distorted audio, etc.).
3. Display is erratic, or provides
Partial or no display.
b) Battery connectors open
or misaligned.
c) Logic/RF Board
Assembly
Defective.
d) Display circuit failureDisassemble unit and remove LCD module and
a) Antenna is defectiveCheck to make sure that the antenna pin is properly
b) Logic/RF Board
Assembly
Defective.
a) Mating connections to /
from LCD Module faulty.
b) LCD module is
Defective.
c) Logic/RF Board
Assembly
Defective.
Visually inspect the 4 battery connectors on both the
battery assembly and the portable telephone.
If necessary, replace the battery. If battery is not at
fault, proceed to c
Remove the Logic/RF Assembly. Substitute a known
good assembly and temporarily reassemble the unit.
Depress the PWR button; if unit turns on and stays
on, disconnect the dc power source and reassemble
the telephone with the new Logic/RF Board
assembly (see personality transfer). Verify that the
fault has been cleared. If the fault has not been
cleared then proceed to d.
insert known good module. Insert Battery and
depress PWR button. Ensure unit stays on, if OK
reassemble unit in new housing assembly
connected into the Logic/ RF assembly. If OK,
substitute a known good antenna and test in a call. If
the fault is still
present, proceed to b.
Replace Logic/RF Assembly (refer to symptom 1c).
Verify that the fault has been cleared and
Re-assemble the unit with the new PCB.
Dissasemble unit, check display module is correctly
seated on PCB display pads, if necessary refit or
realign. If OK proceed to b.
Substitute a known good LCD module onto the
suspect board and connect to DC Pwr supply.
Depress PWR and ensure display is now correct, if
Ok rebuild unit with new LCD module if LCD
module is not at fault proceed to c.
Replace Logic / RF Assembly (refer to symptom 1c).
Verify that the fault has been cleared and
Re-assemble the unit with the new PCB.
SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY
4. Incoming call alert transducer
audio distorted or volume is too
low.
a) Faulty alert TransducerRemove suspect alert transducer from rear housing
b) Main RF / Logic PCB
defective
and replace with known good alert. If fault does not
clear proceed to b)
Replace Logic/RF Board Assembly (refer to
symptom 1c). Verify that the fault has been cleared
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P7689 / P7789
and re-assemble the unit with the new PCB.
5. Personal telephone transmit
audio is weak, (usually indicated by
called parties complaining of
difficulty in hearing voice from
personal phone).
6. Personal telephone receive audio
is weak and/or distorted. (From
speaker)
a) Microphone connections to
The main RF / Logic board are
defective.
b) Microphone defectiveGain access to microphone. Disconnect and
c) Logic/RF Board Assembly
defective.
a) Connections to/from speaker
and Logic/RF Circuit board
defective.
b) Earpiece Speaker defective.Remove speaker from front housing and insert
c) Antenna assembly is
defective.
Gain access to the Microphone as described in the
DISASSEMBLY instructions in this manual. . Check
connections. If connector is faulty proceed to c if the
connector is OK, proceed to b.
substitute a known good Microphone. Place a call
and verify as heard by called party. If good, reassemble portable with new Microphone. If
Microphone is not at fault, re-install original
Microphone and proceed to c.
Replace Logic/RF Board Assembly (refer to
symptom 1c). Verify that the fault has been cleared
and re-assemble the unit with the new PCB.
Gain access to Logic/RF board as described in the
DISASSEMBLY instructions in this manual. Check
pads on the Logic/RF circuit board. Clean pads if
necessary. If pad is at fault proceed to d. If
connection is not at fault, Proceed to b.
known good speaker. Place a call and verify
improvement in earpiece audio. If better, reassemble
the phone with the good speaker. If it was no better
then proceed to c.
Attempt a re-phasing of the unit and recheck the
symptom. If symptom is the same but unit re-phases
correctly, check to make sure the antenna
connector is correctly soldered to the main board and
that the antenna is fitted correctly. If ok, substitute a
known good antenna assembly. If this does not cure
the fault, re-install the original assembly then
proceed to d.
d) Logic/RF Board Assembly
Defective.
7. Personal telephone will not
recognize/accept SIM card
8. Phone does not sense when flip is
Opened or closed (L7789 Only)
(usually indicated by inability to
answer incoming calls by opening
the flip, or inability to make
outgoing calls).
SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY
a) SIM card defectiveInitially check that the contacts on the card are not
b) Logic/RF Board Assembly
Defective.
a) Magnet in flip defectiveReplace Front / flip assembly with known good one,
b) Logic/RF Board Assembly
Defective.
d) Replace Logic/RF Assembly (refer to symptom
1c). Verify that the fault has been cleared and
Re-assemble the unit with the new PCB.
dirty. Clean if necessary, and check if fault has been
eliminated. If the contacts are clean, insert a
Known good SIM card into the portable telephone.
Power up the unit and confirm whether or not the
card has been accepted. If the fault no longer
Exists, the defective SIM card should be replaced. If
the SIM card is not at fault, proceed to b.
Replace Logic/RF Board Assembly (refer to
symptom 1c). Verify that the fault has been cleared
and re-assemble the unit with the new PCB.
refer to the DISASSEMBLY instructions in this
manual. Place call to portable phone and verify
ability to answer by opening flip. If faulty rebuild
phone with new front / flip Assy. If fault is still
present, replace original front/flip assembly and
proceed to b.
Replace Logic/RF Board Assembly
(refer to symptom 1c). Verify that the
fault has been cleared and re-assemble
the unit with the new PCB.
9. Internal Charger not workinga) Faulty charger circuit on main
Board.
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Test a selection of batteries in the rear
pocket of the desktop charger.
Check LED display for the charging
indications. If these are charging ok,
then the internal charger is at fault.
Replace Logic/RF Board Assembly
Page 45
P7689 / P7789
(refer to symptom 1c). Verify that the
Fault has been cleared and re-assembles
10. No / Weak audio when using headset a) Headset not fully pushed homeFully ensure the ‘click’ is felt on the
b) Faulty Jack Socket / Defective PCBReplace Logic/RF Board Assembly
11. No IrDA Connectiona) Alignment of handset / IrDA deviceEnsure unit is no more than 25cm away
b) Remote Device faultyCheck unit against known good IrDA
c) Logic/RF Board Assembly
Defective.
6.4 Software Upgrade
For information on setting up and equipment required for the flashing of software, contact should be
made with the local technical support engineer.
Flashing must take place using the Emmi2D box.
6.5Flexing
the unit with the new PCB.
jack socket. If still at fault proceed to b)
(refer to symptom 1c). Verify that the
fault has been cleared and re-assemble
the unit with the new PCB.
from the IrDA device that will be talked
to, also ensure as good as alignment as
possible. If still no connection proceed
to b)
device to see if connection is made. If
fault still present refer to c)
Replace Logic/RF Board Assembly
(refer to symptom 1c). Verify that the
fault has been cleared and re-assembles
the unit with the new PCB.
For information on setting up and equipment for flexing, contact should be made with the local
technical support engineer.
*IrDA does not support flashing or flexing, only Data transfer
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P7689 / P7789
!
!
Converter
6.6Testing on HP8922
NB* To test the PCB on its own without a housing or SIM card the unit must first be put into test mode
and then into Tx or Rx mode using the applicable manual test commands. Ensure that a battery is
present during this, as the battery acts as a SIM card presence detet for the unit. The PCB can then be
taken out of the housing for any analysis.
Spectrum
Analyser
Oscilloscope
PC running Gate 22
System software
RF Cable
6.7 Testing IrDA Port
To test the IrDA port the following set up should be followed, the distance between handset and IrDA
port should be less than 30cm and although accurate alignment is not neccesary the two should be lined
up as well as possible.
Note. Software is required for both the P7689 IrDA link and also the host IrDA port.
A CD Rom will be shipped with the unit to enable data transfer, the drivers for the host IrDA device
should be supplied with the device. For testing all we are looking for is the discovery frame between
PC and handset.
Power
Supplies
HP8922
Test set
Down
Unit under
Test
PC
Stand Alone IrDA
port
•Please note this set up can only be used for Data Transfer not
Flashing or Flexing. Also at present the truesynch software does not support Windows 2000.
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SECTION 7: ACCESSORIES
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7.1 Introduction: The following is a short description of accessories available for the P7689 /
L7089, that are currently available, a list of these with corresponding part numbers will follow
shortly.
• Half Rate travel charger
– Included in every package
– Folding US blades built in
• Mini Rapid Desktop Charger
– Can charge phone and second battery
– Sliding door concept reduces size and improves portability
• Headset with Microphone and earpiece (PHFA)
– Same headset as Zap (SYN6962)
– No external adapter required
• Mini Pivoting Belt Clip
– Belt remains on belt
– Compact and light weight
– Included in every package
• Leather carry cases
– leather pouch stylish alternative to the plastic belt clip
• Cigarette Lighter Adapter
– Same as StarTAC (SYN4241)
• Professional Install Digital Hands-free Car Kit
– Includes new mini hang up cup
– Easy one handed insertion
• Data cable (with level translators):
– Allows full data and fax functionality without PC Card
• Range of Batteries
– 600 mAh LiIon
– 900 mAh LiIon
Additional battery options available in the future
7.2Mid-rate Charger Information
This is a linear DC supply that plugs into the charger socket of the unit and allows the user to
simultaneously make and receive calls. A battery must be inserted for a call to take place. If a battery is
completely dead the battery will charge for 30 secs.
Whilst in call the display will show 1 flashing ‘Battery Level Bar’, this will be re-assessed once the call
has ended.
*AA Batteries will not be able to be used, as this will cause damage to the unit through
overcharging.
SPN4604 Mini Rae ChargerWW AccyDonew/ US folding plug
SYN7455 UK PlugWW AccyDone
SYN7456 Euro PlugWW AccyDone
SYN7457 Aus PlugWW AccyDone
SYN7458 Indian PlugWW AccyDone
SYN7460 Korea PlugWW AccyDone
SPN4608 DT charger (rapid 2-pocket)Core LEAPAt Launch
SYN4241 CLADoneDoneCompatible w/ ST
BatteriesSNN5517 Li Slim LSQ6 600mAhCore LEAPAt Launch
SNN5435 Li Slim LSQ6 530mAhCore KramerDoneCompatible w/ V3688
SNN5451 Li LSQ8Core KramerDoneCompatible w/ V3688
DoorsSHN7094 Door Slim BlkCore LEAPAt Launch Li Poly & LSQ6
SHN7239 Door Slim Galaxy GreyCore LEAPAt Launch Li Poly & LSQ6
SHN7240 Door Slim Sea BlueCore LEAPAt Launch Li Poly & LSQ6
SHN7905 Door Large BlkCore LEAPAt Launch LSQ8 & AAA Std
SHN7241 Door Large Galaxy GreyCore LEAPAt Launch LSQ8 & AAA Std
SHN7242 Door Large Sea BlueCore LEAPAt Launch LSQ8 & AAA Std
HeadSetSYN6962 HeadSet w/ mic & earpiece in pouchDoneDoneSame as V3688
SYN5195 HATIS deviceDoneDoneSame as 8700
Wearability AccySHN7175 Belt clipCore LEAPAt Launch
SYN7915 Leather case (stays on phone)RegionalAt Launch
SYN7914 Leather case (stays on belt)RegionalAt Launch
Data AccySKN4973 Data cadle w/ adapter and level x-latorsCommunicate Feb-99Same as V3688
Those marked ** are Motorola specific abbreviations.
µBGAMicro Ball Grid Array
A InterfaceInterface between MSC and BSS
A3Authentication algorithm
A5Stream cipher algorithm
A8ciphering key generating algorithm
ABAccess Burst
A-bisInterface between BSC and BTS
ACCHAssociated Control Channel
ACSEAssociation Control Service Element
AGCHAccess Grant Channel
AMPSAdvance Mobile Phone System
AOCAdvice of charge
ARFCNAbsolute Radio Frequency Channel Number
ARQAutomatic Request for retransmission
ASICApplication Specific Integrated Circuit
AUCAuthentication Center
AUT (H)Authentication
BABCCH Allocation
BAICBarring of All Incoming Calls
BAOCbarring of all Outgoing Calls
BCCBase Transceiver Station (BTS) Color Code
BCCHBroadcast Control Channel
BCDBinary Coded Decimal
BGA Ball Grid Array
BCUBTS Control Unit **
BmFull-rate traffic channel
BNBit Number
BSBase Station
BSCBase Station Controller
BSICBase Transceiver Station Identity Code
BSSBase Station System
BSSAPBSS Application Part (DTAP and BSSMAP)
BSSCBase Station System Control Cabinet **
BSSMAPBase Station Systems Management Application Part
BSSOMAPBSS Operation and Maintenance Application Part
BSUBase Site Controller Unit **
BTSBase Transceiver Station
CACall Allocation
CBCHCall Broadcast Channel
ccCall Control
ccCountry Code
CCCellular Cassette
CCBSCompletion of Calls to Busy Subscribers
CCHControl Channel
CCCHCommon Control Channel
CDMACode Division Multiple Access
CFSCall Forwarding on mobile Subscriber busy
CFUCall Forwarding Unconditional
CLIPCalling Line Identification Presentation
CLIRCalling Line Identification Restriction
CMConnection Management
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COLPConnected Line identification Presentation
COLRConnected Line identification Restriction
CONFConference Call add on
CSPDNCircuit Switched Public Data Network
CUGClosed User Group
CWCall Waiting
DBDummy Burst
DBSDistributed Base Station **
DCCHDedicated Control Channel
DETDetach
DFEDecision Feedback Equalizer
DISCDisconnect
DLData Link (layer)
DmControl Channel (ISDN terminology applied to mobile service)
DmSignaling channel
Dp Dialed Pulse
DRCUDiversity Radio Channel Unit**
DRXDiscontinuous Reception
DTAPDirect Transfer Application Part
DTEData Terminal Equipment
DTMFDual Tone Multi-Frequency (tone signaling type)
DTXDiscontinuous Transmission
Eerlang
Eb/NoEnergy per Bit/Noise floor
ECEcho Canceller
Ec/NoRatio of energy per modulating bit to the noise spectral density
EGSMExtended Group special Mobile
EFREnhanced Full Rate
EIREquipment Identity Register
EIRPEffective Isotropic Radiated Power
EMCElectromagnetic Compatibility
EMXElectronic Mobile Exchange **
ETSIEuropean Telecommunications Standards Institute
FACCHFast Associated Control channel
FACCH/FFull rate Fast Associated Control channel
FACCH/HHalf rate fast Associated Control channel
FBFrequency correction burst
FCCHFrequency Correction Channel
FECForward Error Correction
FNFrame Number
FRFull Rate
FTAMFile Transfer Access Management
GCCGlobal Call Center
GMSCGateway Mobile Services Switching Center
GMSKGaussian Minimum Shift Keying
GSMGroup Special Mobile
GSM MSGSM Mobile Station
GSM PLMNGSM Public Land Mobile Network
HANDOHandover
HATISHearing Aid Telephone Interconnection System
HDLCHigh Level Data Link Control
HLRHome Location Register
HOLDCall Hold (Supplementary Service)
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HPLMNHome PLMN
HPUHand Portable Unit
HRHalf Rate
HSNHopping Sequence Number
IInformation (frames)
IA5International Alphanumeric 5
IDIdentification
IMEIInternational Mobile Equipment Identity
IMMImmediate assignment message
IMSIInternational Mobile Subscriber Identity
INIntelligent Network
INDYIridium 9500 handset
IrDAInfra Red Data Association
ISCInternational Switching Center
ISUIridium Subscriber Unit
ISDNIntegrated Services Digital Network
ISUPISDN User Part
IWFInterworking Function
MAMobile Allocation
MAHMobile Access Hunting
MAIMobile Allocation Index
MAIOMobile Allocation Index Offset
MAPMobile Application Part
MCCMobile Country Code
MCIMalicious Call Identification
MDMediation Device
MEMobile Equipment
MFMulti-Frequency (tone signaling type)
MLSEMaximum Likelihood Sequence Estimator
MMMobility Management
MMIMan Machine Interface
MNCMobile Network Code
MOMobile Originated
MO/PPMobile Originated Point to Point messages
MoUMemorandum of Understanding
MRNMobile Roaming Number
MSMobile Station
MSCMobile Services Switching Center
MSCMMobile Station Class Mark
MSINMobile Station Identification Number
MSISDNMobile Station international ISDN number
MSRNMobile Station Roaming Number
MTMobile Termination
MTPMessage Transfer Part
MT/PPMobile Terminated Point to Point messages
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NAMPSNorth American-Advance Mobile Phone System
NBNormal Burst
NENetwork Elements
NETNorme European de Telecommunications
NMNetwork Management
NHCNetwork Management Center
O&MOperations and Maintenance
OACSUOff Air Call Set-Up
OCBOutgoing Calls Barred
OMAPOperations and Maintenance Application Part (previously was OAMP)
OMCOperations and Maintenance Center
OMCROperations and Maintenance Center -Radio Part
OMCSOperations and Maintenance Center -Switch Part
OSIOpen System Interconnection
PADPacket Assembly Disassembly facility
PCHPaging Channel
PDNPublic Data Networks
PINPersonal Identification Number
PLMNPublic Land Mobile Network
POTSPlain Old Telephone Service (basic telephone services)
PSPDNPublic Switched Packet Data Network
PSTNPublic Switched Telephone
PTOPublic Telecommunications Operator
QOSQuality of Service
RABRandom Access Burst
RACHRandom Access Channel
RBDSRemote BSS Diagnostic Subsystem **
RBURemote Base Station Unit (PCN) **
RCURadio Channel Unit **
RECRecommendation
RELRelease
RELP-LTPRegular Pulse Excitation - Long Term Prediction
REQRequest
RFCHRadio Frequency Channel
RFNReduced TDMA Frame Number
RLPRadio Link Protocol
ROSERemote Operations Service Element (a CCITT specification for O&M)
RXCDRRemote Transcoder Unit **
RXLEVReceived signal level
RXQUALReceived signal quality
SABMSet Asynchronous Balance Model
SACCHSlow Associated Control Channel
SAPIService Access Point Indicator (Identifier)
SBSynchronization Burst
SCService Center
SCCPSignaling Connection Control Part
SCHSynchronization Channel
SCPService Control Point - an intelligent network entity
SDCCHStand-alone Dedicated Control Channel
SDLSpecification Description Language
SFHSlow Frequency Hopping
SIMSubscriber Identity Module
SMSShort Message Service
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SMSCBShort Message Service Call Broadcast
SNDSeND
SPSignaling Point
SRESSigned RESponse (authentication)
SSSupplementary Service
SSSystem Simulator
STPSignaling Transfer Point
SYSGENSYStem GENeration
TATerminal Adapter
TATiming Advance
TCAPTransaction Capabilities Application Part
TCHTraffic Channel
TCH/FA full rate TCH
TCH/FSA full rate speech TCH
TCH/HSA half rate speech TCH
TCPTransmission Control Protocol
TDMATime Division Multiple Access
TETerminal Equipment
TMNTelecommunications Management Network
TMSITemporary Mobile Subscriber Identity
TNTimeslot Number
TRXTransceivers
TTYTeleTYpe (refers to any terminal)
TSTime Slot
TUPTelephone Users Part
UIUnnumbered Information frame
UmAir Interface
USSDUnstructured Supplementary Services Data