CPF106C

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CPF106C - CPF106C

CPF106C
File Revision System Application Product Type Product Name Date Issued Approved Issued Date
RDPS-POTS449 Asymmetric Digital Subscriber Line POTS Splitter CPF106C Dec. 10th, 2002 Gino Hung Design Engineer, R&D_1 gino@ycl.com.tw Roger Manager, R&D_1 roger@ycl.com.tw
Electronics Co., Ltd.
No.95, Feng Road. Feng Shan City, Kaohsiung, Taiwan, R.O.C.
This controlled document property Electronics Co., Ltd. duplication reproduction transmission unauthorized parties without prior written permission Electronics Co., Ltd. prohibited.
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RDPS-POTS449(R0)12/10/2002 SHEET
CPF106C
Table contents
Item Description Introduction Reference Abbreviations Technical requirements 4.1. Schematic 4.2. ZADSL-2 definition 4.3. ZRHF definition 4.4. Electrical specification Environmental condition 5.1. Resistibility overvoltage overcurrents 5.2. Climatic condition 5.2.1. Operating temperature 5.2.2. Storage transport 5.2.3. Operating humidity Reliability conditions 6.1.Thermal shock 6.2. Temperature humidity exposure 6.3. Vibration test Mechanical condition -Page
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RDPS-POTS449(R0)12/10/2002 SHEET
CPF106C Introduction:
CPF106C splitter module that been specifically designed implement functionality pass filter POTS over ADSL application. Asymmetric Digital Subscriber Line (ADSL) technology dedicated point point public network access technology that allow multiple forms data voice video carried over twisted-pair copper wire local loop between network service provider's(NSP'S) central office customer site local loops created either intra-building intracampus. Best ADSL delivers this high speed performance over existing copper telephone line while allowing traditional voice service coexist without interruption through POTS pass filters. CPF106C integrate pass filter that block high frequency energy from reaching POTS device provide isolation from impedance effects POTS device ADSL. addition these filter will also attenuate wideband impulse noise generated POTS device interruption loop current(e.g. pulse dialing hook hook transfer) Because POTS splitter connects directly subscriber loop media must also provide some protection externally induced line hits faults which could damage attached equipment endanger humans interacting with installed equipment.The circuit protection will provided mostly standard central office line protection means additional protection measures built into pots splitter protect against line overstress which could damage splitter itself.
Reference:
Ref. Attachment Public Switched Telephone Network Ref. ETSI101 952-1-1 V1.1.1 Specification pass part ADSL/POTS splitters
Abbreviations:
ADSL POTS Asymmetric Digital Subscriber Line Central Office Customer Premise Equipment. Plain Telephone Service Remote Terminal
RDPS-POTS449(R0)12/10/2002 SHEET
Data sheet subject change without notice
CPF106C Technical requirements
4.1. Schematic following drawing illustrate block diagram this product.
4.2. ZADSL-2 definition: many tests with voice frequencies, ADSL port pass filter terminated with impedance called ZADSL-2. This impedance model represents input impedance ADSL transceiver with seen from pass filter. This substitute circuit shown figure model which shall applied POTS splitter when verifying requirements pass filter. model intended splitter specification context present document. purpose this model impedance splitter specification, requirement input impedance ADSL transceiver. From perspective practical testing, impedance model figure valid case where splitter already contained blocking capacitors third order high pass filter.
Figure Schematic diagram impedance ZADSL-2 case where there high pass filter blocking capacitors present splitter unit
Data sheet subject change without notice
RDPS-POTS449(R0)12/10/2002 SHEET
CPF106C
4.3. ZRHF definition: requirements relating ADSL frequencies described present document, terminating impedance ZRHF used terminate TELE LINE ports pass filter. This European harmonized complex impedance ETSI 952-1-1 V1.1.1 subclause 5.2.2 with modification. This network shown figure
Figure Schematic diagram impedance ZRHF
Data sheet subject change without notice
RDPS-POTS449(R0)12/10/2002 SHEET
CPF106C
4.4. Electrical specification pass filters shall satisfy following parametric limits with voice terminals Zreal(1) ohms shown this table. following requirements specified single splitter. Splitter parameters General conditions Splitter bandwidth Nominal voice band Billing tone Ringing frequency ADSL band Line Impedance Zreal(1) impedance impedance Modem impedance Operation voltage voice band Nominal signal Billing tone Ringing signal voltage Max. voltage Max. differential Operation current voice band Loop current requirements A-wire B-wire resistances from LINE ohms TELE port; term Isolation resistance, branch-earth VDC; term Mohms resistance
Isolation resistance, branch-branch VDC; term
Electrical requirements Range values 17.3 1104 ohms ohms ohms ohms mVp-p Vp-p Vp-p 30.2 Vp-p Vrms
Vrms with -100 offset
1104
Mohms
Voice band requirements Insertion loss Zreal(1) Insertion loss distortion Zreal(1) relative
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RDPS-POTS449(R0)12/10/2002 SHEET
CPF106C
Splitter parameters Return loss TELE port Zreal(1) Return loss LINE port Zreal(1) Unbalance about earth Zreal(1) Group delay distortion Zreal(1)
Electrical requirements Range values 18.05 2000 2000 3400 2000 2000 3400 17.35 2000 18.05 17.35 2000 usec usec usec
Frequencies levels pulse metering ADSL band requirements Stop band attenuation Zreal(1) ZRHF Loading ADSL signal path ZRHF Near-end cross talk NEXT 1.104 1.104 1.104
Data sheet subject change without notice
RDPS-POTS449(R0)12/10/2002 SHEET
CPF106C Environmental condition:
5.1. Resistibility overvoltages overcurrents: splitter comply with requirements ITU-T K.21. 5.2. Climatic conditions: 5.2.1. Operating temperature: Application indoor Long time operation guarantee temperature Short time operation guarantee temperature According 019, class 5.2.2. Storage transport: ambient temperature High ambient temperature According MIL-STD-202 method 5.2.3. Operation humidity: Long time operation guarantee humidity Short time operation guarantee humidity Short time within continuous hours days year
Reliability conditions:
6.1. Thermal shock Temperature from cycles (According MIL-STD-202 method 107) 6.2. Temperature humidity exposure /95RH 96hrs (According MIL-STD-202 method 103) 6.3. Vibration test Random vibration frequency 5-500Hz sweep time axis Force 2.4grams (According MIL-STD-202 method 204)
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RDPS-POTS449(R0)12/10/2002 SHEET
CPF106C Mechanical condition:
Note: Unit tolerances 0.25
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PHONE
LINE
RDPS-POTS449(R0)12/10/2002 SHEET

CPF106C

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