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參數(shù)資料
| 型號： | LUCL8574DP-DT |
| 英文描述： | L8574D Resistive Subscriber Line Interface Circuit(SLIC), Ring Relay,and Protector(SRP)for Long Loop and TR-57 Applications |
| 中文描述： | L8574D電阻用戶線接口電路（SLIC），環(huán)繼電器和保護(hù)（SRP）的為遠(yuǎn)距離和TR - 57應(yīng)用 |
| 文件頁數(shù)： | 23/36頁 |
| 文件大?。?/td> | 489K |
| 代理商： | LUCL8574DP-DT |
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Lucent Technologies Inc.
23
Data Sheet
October 1998
Relay, and Protector (SRP) for Long Loop and TR-57 Applications
L8574D Resistive Subscriber Line Interface Circuit (SLIC), Ring
Applications
(continued)
Resistor Module
(continued)
5-5279 (F)
Notes:
1. Pin numbers and resistor labels are per MMCA31A8574AA and MMCA11A8574AA descriptions.
2. Node labels are per L8574 package.
3. For 600 V power cross, resistor networks should “open” in less than 40 ms.
Figure 6. Resistor Network
Table 16. MMCA31A8574AA and MMCA11A8574AA Module
1. Continuous (RMS) power.
2. For 50 dB longitudinal balance; 0.2% for 58 dB balance.
Note: Fuses F1 and F2 provide fail-safe operation if excessive overvoltage conditions exist on Tip and Ring. They will not operate if the total
power dissipation of the entire resistor network is
≤
5.0 W @ 85
°
C.
Resistor
R
1
R
2
R
3
R
4
R
5
R
6
R
7
R
8
R
9
R
10
R
9
/R
1
R
1
/R
2
Value
200
200
100 k
100 k
200 k
200 k
1 k
1 k
20 k
600
100
1
1
Tolerance
1.0%
1.0%
1.0%
1.0%
1.0%
1.0%
2.0%
2.0%
—
1.0%
0.5%
0.35%
2
0.35%
2
Power
1
2.0 W
2.0 W
25 mW
25 mW
25 mW
25 mW
0.1 W
0.1 W
10 mW
1.6 W
—
—
—
Surge Rating
Lightning: Power Cross
Lightning: Power Cross
None
None
Lightning: Power Cross
Lightning: Power Cross
Lightning: Power Cross
Lightning: Power Cross
None
14 W for 250 ms
—
—
—
(R
3
+ R
6
)/(R
4
+ R
5
)
1
RING
PR
RGBN
GND
RS
V
BF
GND
RSW
TS
XMT
PT
TIP
F2
R
7
2
3
4
5
R
9
R
3
7
6
R
5
R
10
R
6
R
4
12
11
10
9
8
13
14
F1
R
8
R
2
R
1
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