Transcript Ethernet Protection

Wireless / WiMax Applications
Outline
 Wireless / WiMax Applications
– System Overview
– Wireless Local Loop (WLL)
 Power Protection Opportunities
– AC Power Overvoltage Protection
– DC Power Overvoltage Protection
 Communication Interface Opportunities
–
–
–
–
–
–
–
SLIC interface
T1/E1 Interface
T3 Interface
HDSL Interface
VDSL Interface
Ethernet Interface
Antenna Protection
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 WiMax
Base station units
CPE units
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WiMax – CPE hardware
CPE hardware for WiMax
service includes the Indoor
Subscriber Unit
= protection location
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Wireless Local Loop (WLL)
The WLL is a Remote Terminal connected to the PSTN wirelessly:
WLL
WiMax Base
Station
Wireless Interface Multiplexer
Voice
T1/T3 Driver
Subscriber
Line Interface
Card (SLIC)
Internet
Data
Video
DSL Access
Module (DSLAM)
MDF / Protected Cross-Connect
Subscriber Lines
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Outline
 Wireless / WiMax Applications
– System Overview
 Power Protection Opportunities
– AC Power Protection
– DC Power Protection
 Communication Interface Opportunities
–
–
–
–
–
–
–
SLIC Interface
T1/E1 Interface
T3 Interface
HDSL Interface
VDSL Interface
Ethernet Interface
Antenna Protection
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AC Power Overvoltage Protection
 Select MOV for
long life.
 Use only air
core inductors.
 Select TVS for
low clamping
voltage and
minimum cost.
MOV – L – TVS Pi Network
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DC Power Overvoltage Protection
Photos roughly to scale
48VDC Line
AK Series
ZA-Series MOV
(AK6-AK10-AK15)
Part Number
AK15-076C
V82ZA12P
VSO (DC)
76V
68V
IPP (8x20)
15,000A
4,500A (1X)
1,000A (10X)
Surge Life
Unlimited
Limited
VCL @ 1000A
<100V
>200V
It would take about 10 75V KPA devices
to achieve this protection performance.
See the AK TVS Module
for more information.
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Outline
 Wireless / WiMax Applications
– System Overview
 Power Protection Opportunities
– AC Power Protection
– DC Power Protection
 Communication Interface Opportunities
–
–
–
–
–
–
T1/E1 Interface
T3 Interface
HDSL Interface
VDSL Interface
Ethernet Interface
Antenna Protection
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SLIC Interface
Negative Ringing SLIC: B1101UC
Pos/Neg Ringing SLIC: B3104UC
See the SLIC Protection
Module for more information.
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T1 / E1 Interface Protection
 P0080SAMC or P0080Q12A Tertiary Protection
 P2106UC or SDP1800Q38CB Line Protection
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T3 Interface Protection
04611.25EER
1,8
SDP0640Q38CB
4,5
 Broadband Optimized SIDACtor: P0642SA
 For High Surge Requirements: SDP0640Q38CB
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HDSL Interface Protection
 Line Protection: P2300SCMC or P2300Q22C
 Tertiary Protection: P0080SAMC or P0080Q12A
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VDSL Interface Protection
 Tertiary Protection: SDP0240Q12F and SP3050
 Line Protection: SDP3500Q38CB
See the Tertiary Protection and Broadband
Protection Modules for more information.
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Ethernet Interface Protection
 Line Protection: SEP0080Q38CB
 Tertiary Protection: SP3050
See the Ethernet Protection
Module for more information.
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Antenna Protection
RF Line
To Transceiver
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P1900ME SIDACtor rated for 5000A 8x20 Surge
Inductor isolates RF signal from SIDACtor
During a surge the inductor “disappears”
Special Inductor Design
– Very small high permeability core
– Few turns of heavy copper wire
– Tuned to unused band
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Thank You!
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