參數(shù)資料
型號(hào)： P0640SCRP
英文描述： SIDAC|77V V(BO) MAX|800MA I(S)|DO-214AA
中文描述： SIDAC的| 77V V（下公報(bào)）最大| 800mA的我（縣）|的DO - 214AA
文件頁數(shù)： 47/161頁
文件大?。?/td> 986K
代理商： P0640SCRP
SIDACtor
Data Book
Digital Transmission Equipment
Teccor Electronics
(972) 580-7777
3 - 7
R
1
Overview
Digital transmission equipment encompasses a broad range of transmission protocols
such as T1/E1, xDSL, and ISDN. Digital transmission equipment is located at the
central office, customer premises, and remote locations.
Protection Requirements
Digital transmission equipment should be protected against over-voltages that can
exceed 2500V and surge currents up to 500A. In Figures 3-7 through 3-17, the
SIDACtor was chosen because the associated peak pulse current (I
PP
) is great
enough to withstand the lightning immunity tests of GR 1089 without the additional use
of series line impedance. Likewise, the fuse in Figures 3-7 through 3-17 was chosen
because the amps
2
time (I
2
t) rating is large enough to withstand the lightning immunity
tests of GR 1089, but small enough to pass GR 1089 current limiting protector test and
power cross conditions.
Applicable Regulatory Requirements
FCC Part 68
GR 1089-CORE
ITU-T K.20
UL 1459
UL 1950
Most transmission equipment sold in the US must adhere to GR 1089. For Europe and
other regions, ITU-T K.20 is typically the recognized standard.
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