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參數(shù)資料
| 型號： | MF602F |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Mirco Filter For ADSL CPE Side |
| 中文描述： | Mirco過濾器對于ADSL終端側(cè) |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 56K |
| 代理商： | MF602F |
Product Specification
MF602F
Data sheet subject to change without notice
RDPS-MF017(R1)03/04/2002
SHEET 3 OF 11
1.Introduction:
The in-Line Micro filter has been specifically designed to implement the functionality of low
pass filter in G.Lite system.G.Lite technology is similar to full rate ADSL in using DMT
technology but operates at a lower data rate of up to 1.5Mbps downstream and 512Kbps
upstream ,depending on line conditions and lengths.ADSL Lite is proposed as a lower speed
version of ADSL that will eliminate the need for telecom to install and maintain a premises
based POTS splitter. It was found necessary to include one or more low pass filters in series
with the POTS terminals in order to reliably achieve maximum data rates. For POTS voice
band service , the low pass filter provide protection from ADSL signal which may impact
through non-line or other effects remote devices(handset, fax, voice band modem etc)and
central office operation . For ADSL signal , it also provide protection from the high frequency
transient and impedance effect that occur during POTS operation(ringing transients , on-hook,
off-hook transient and so on).
Because the POTS splitter connects directly to the subscriber loop media , it must also
provide some protection for externally induced line hits or faults which could damage any
attached equipment or endanger humans interacting with the installed equipment. The circuit
protection will be provided mostly by standard central office line protection means and
additional protection measures built into pots splitter to protect against line overstress which
could damage the splitter itself.
2. Reference:
Ref. 1 : ETS 300 001
Attachment to Public Switched Telephone Network
Ref. 2 : ANSI T1E1.4 G.992.2 Network and Customer Installation Interface
Ref. 3 : ITU-T K21 Resistibility of subscribers terminal to overvoltage and
overcurrents
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