Written By: Belco International Co., Ltd. PAGE: 2 of 24
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1.1. SCOPE
This specification defines the product features and requirements of the 2.4GHz
Digtal Spread Spectrum Technology (DSST) features.
40 channels 2.4 GHz Basic Cordless telephone.
⇒ Built in Buzzer on Base unit
⇒ Earloop on handset
⇒ Any Key Talk
⇒ Built in Battery on Handset
⇒ Auto ON-HOOK:
⇒ # of Channels: 40
⇒ # of Memories: N.A
⇒ # of digits in the memory: N.A
⇒ # of digits in Redial buffer: 32 Digit
1. FUNCTIONAL SUMMARY
The unit shall automatically be placed on-hook when the handset is placed in the
charging cradle, or when the handset has been determined to be Out-of-Range
for a sufficient period of time.
1.3. UNIT AS RECEIVED -
The package as received shall consist of the following:
1.3.1. Telephone Base unit Model XG-2500 DSST
Pulse/Tone switch setting to the Tone mode
1.3.2. Telephone Handset model XG-2500 DSST
Volume set to Nominal Position
Consumer-replaceable Earloop installed
1.3.3. Accessory:
Item Description/Model #
AC/DC Converter External
Telephone Line Cord
Ear loop (Clip) Accessory Item (included)
Written By: Belco International Co., Ltd. PAGE: 3 of 24
Length 6 feet, straight; terminated in
USOC RJ11C modular plug.
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1.3.4. Printed Materials:
1.3.5. Packaging:
1.4. APPEARANCE
1.5. DATE CODING
1.5.1. Location
1.5.2. Format
1.5.3. Encoding
1.6. LABELING:
1.6.1. Base Unit:
1.6.2. Handset
1.6.3. Other Marking and Labeling:
1.6.3.1. AC-DC Adapter Marking
The following information must appear on the AC-DC Adapter:
BELCO INTERNATIONL
CLASS 2 POWER SUPPLY
MODEL NO. : aaaaaaaa
INPUT : 120VAC 60HZ 5W/6W
OUTPUT : 9 VDC 300 mA
MADE IN aaaaaaaaaa
Where AAA is Country Of Origin
The cETLus symbol with control number located near symbol
Plug connection symbol.
In addition, there shall be a caution marking per UL requirement.
CAUTION : RISK OF ELECTRICAL SHOCK. DRY LOCATION USE
ONLY.
Written By: Belco International Co., Ltd. PAGE: 4 of 24
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1.6.4. Country Of Origin
1.6.4.1. Acceptable Phrase
1.6.4.2. AC-DC Adapter Country of Origin
1.7. STANDARDS & REFERENCES:
FCC and UL Rules and Regulations are mandatory. Other documents are reference.
1.7.1. EIA 470B
Telecommunications - Telephone Terminal Equipment - Performance and
Compatibility Requirements for Telephone Sets with Loop Signalling.
1.7.2. FCC Rules and Regulations
1.7.2.1.47 CFR Part 2
Frequency Allocations and Radio Treaty Matters; General Rules and
Regulations
1.7.2.2.47 CFR Part 15
Radio Frequency Devices
1.7.2.3.47 CFR Part 68
Connection of Terminal Equipment to the Telephone Network
1.7.3. Industry Canada (IC) rules and regulations.
1.7.3.1.CS-03
Standard for Terminal Equipment, Terminal Systems, Network Protection
Devices, Connection Arrangements and Hearing Aid Compatibility
1.7.4. Items not Included in Specification
Any item (measurement parameter or subjective criterion), not included in this
product specification shall be subject to the approval of Bellsouth .
1.8. REGULATORY APPROVALS REQUIRED
This product shall be tested for compliance with all applicable regulatory requirements
listed below. Testing shall be performed, and reports generate d by a c ertified test fac ility.
The product shall be designed and manufactured so that it may be operated in
accordance with Parts 2, 15, and 68 of FCC Rule s and Regulations. The product
shall be filed for FCC registration.
Written By: Belco International Co., Ltd. PAGE: 5 of 24
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1.8.2. ETL / cETL Approval and Listing
The unit shall be designed and manufactured so that it may be operated in
accordance with UL60950-1.
1.8.3. Industry Canada Approval (IC)
The unit shall be designed and manufactured so that it may be operated in
accordance with the latest revision of the Industry Canada regulations.
1.9. SAFETY
The unit must meet all specifications as set forth in Bellsouth Safety Practices Manual.
The unit must meet any and all applicable UL standards, including UL60950-1. The unit
will be examined by the Bell south Safety Department. In the interest of safety, all
decisions and recommendations of the Department must be incorporated in the design
and manufacture of the unit.
1.10. FACTORY OR AFTER SALES SERVICE INTERFACE
Product service information shall be provided from which Product Field Service Manual
will be generated.
The following items are required in a timely manner to assist the Product Service
department in creating service data.
A) Schematic diagram - on mylar. Schematic must show DC voltages in all modes
of operation for all active devices - or a separate voltage chart drawing may be
submitted.
B) Conductor pattern for each PCB - on mylar
C) Component layout for each circuit board - on mylar. 2 drawings, one to show
components as viewed from conductor side of PCB and one from component
side.
D) Wiring diagram showing interconnection of PCB's and off PCB components such
as LED's, switches, etc.
E) Complete parts list - mechanical and electrical
F) Assembly drawing of complete unit showing ca binet sections , knobs, antenna,
etc.
G) Block diagram of circuit
H) Alignment procedure giving test equipment type, connection information, and
tune up procedure.
I) Pin out drawing of all transistors and IC's.
Written By: Belco International Co., Ltd. PAGE: 6 of 24
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1.11.
COMPATIBILITY
1.11.1. Operation With Other Devices
1.11.2. Operation With Central Offices
This product shall be capable of operating with any FCC/UL approved Central
Office without causing any harm to the Central Office.
1.12. SECURITY CODE INFORMATION
We provide a fixed code that is continuously varied among 1,048,576 discrete digital
codes as each telephone is manufactured.
Written By: Belco International Co., Ltd. PAGE: 7 of 24
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2. USER INTERFACE DESCRIPTION
2.1. INITIAL FACTORY SETTINGS:
Tone / Pulse Switching: Tone
Volume Control: Nominal ( FCC HAC compatible)
Talk Button: OFF
All LEDs” OFF
2.2. DEFAULT SETTINGS
2.3. RINGING AND TONES:
2.3.1. Warning tone:
Low Battery Indicator: The handset shall provide an audible and visual alert when
its battery charge will soon be inadequate to continue
conversation
Beat 1 2
Time (ms) ON 80
Time (ms) OFF 4000
Beep Frequency (Khz) 2.048
Out of Range Indicator: The handset shall provide an audible and visual alert for 25
seconds when the distance between handset and base
does not permit adequate transmission quality. The last
beat shall be error beep.
Beat 1 2
Time (ms) ON 80 80
Time (ms) OFF 80 4000
Beep Frequency (kHz) 2.048 2.048
2.3.2. Ring:
2.3.2.1 Base unit
2.3.2.1.1 Base Incoming call Ring: Shall meet the para 8.3.3.3.
2.3.2.2.2 Distinctive Ring from CO:
To support telephone-company-supplied Distinctive Ringing features, the
unit ringer(s) shall reproduce ring cadences present on the telephone line,
according to detailed requirements referenced by Distinctive Ring Timing,
in standard specification (para. 8.3.2.3)
Written By: Belco International Co., Ltd. PAGE: 8 of 24
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