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CLP270M Datasheet(PDF) 10 Page - STMicroelectronics

No. de Pieza. CLP270M
Descripción  OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE
Descarga  24 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

CLP270M Datasheet(HTML) 10 Page - STMicroelectronics

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CLP270M
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Test
Two-wire interface
Four-wire interface
A
1. Tip to generator, Ring to ground
2. Ring to generator, Tip to ground
3. Tip to generator, Ring to generator
simultaneously
1. Each lead (T, R, T1, R1) to generator with
other three leads grounded
2. Tip and Ring to generator simultaneously, T1
and R1 to ground
3. T1 and R1 to generator simultaneously,
Tip and Ring to ground
B
Tip to generator, Ring to generator
simultaneously
T, R, T1, R1 to generator simultaneously
Table 5: Test connection (table 4-1 of GR-1089-CORE).
Test
Voltage
Source
Limiting
resistance
(IF specified)
S1
S3
S2
S4
Switch
unit
under
test
T
E
R
M
T
E
R
M
Test
S1
S2
S3
S4
T to generator, R to ground
(condition A1 of table 4-1)
Closed
Open
Open
Closed
R to generator, T to ground
(condition A2 of table 4-1)
Open
Closed
Closed
Open
T to generator, R to generator
simultaneously
(condition A3 of table 4-1)
Closed
Open
Closed
Open
Table 6: Application of lightning and AC power fault test voltages (table 4-2 of GR-1089-CORE).
3.1. BELLCORE GR-1089-CORE requirements:
Tables 1 and 2 summarize the lighting surges required by the bellcore 1089.


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