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參數(shù)資料
| 型號(hào)： | CLP270M |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE |
| 中文描述： | 過壓和過流保護(hù)的電信線路保護(hù) |
| 文件頁數(shù)： | 10/24頁 |
| 文件大?。?/td> | 368K |
| 代理商： | CLP270M |
CLP270M
10/24
Test
A
Two-wire interface
Four-wire interface
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
T, R, T1, R1 to generator simultaneously
B
Tip to generator, Ring 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)
R to generator, T to ground
(condition A2 of table 4-1)
T to generator, R to generator
simultaneously
(condition A3 of table 4-1)
Closed
Open
Open
Closed
Open
Closed
Closed
Open
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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