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參數(shù)資料
| 型號： | MH89728 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | MT8972 Loop Extender Circuits Advance Information |
| 中文描述： | MT8972循環(huán)擴展電路進展信息 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 119K |
| 代理商： | MH89728 |
9-130
MH89726/728
Advance Information
Table 1 - Typical Transmission Performance at 160 kbit/s
Table 2 - Typical Transmission Performance at 80 kbit/s
Note 1: The attenuation of the cable as specified by Bell System Technical Reference PUB 62411.
Figure 4 - Typical Application of the Loop Extender
MH89726 (160 kbit/s)
CABLE
CONFIGURATION
24 AWG
(8.0 dB/km at 120 kHz)
26 AWG
(11.5 dB/km at 120 kHz)
DNIC to DNIC
0.0 to 4.1 km
0.0 to 3.0 km
DNIC with LEC to DNIC with LEC
0.65 to 5.1 km
0.5 to 3.6 km
MH89728 (80 kbit/s)
CABLE
CONFIGURATION
24 AWG
(6.9 dB/km at 60 kHz (Note 1)
26 AWG
(10.0 dB/km at 60 kHz)
DNIC to DNIC
0.0 to 5.2 km
0.0 to 3.4 km
DNIC with LEC to DNIC and LEC
0.9 to 6.5 km
0.65 to 4.1 km
L
OUT
L
IN
1
+5V
21
D1
D2
LE
IN
LE
OUT1
CA
CB
RA
LOOP
EXTENDER
and
Network
Termination
MT8972
LE
OUT2
0.33
μ
F
1.0
μ
F
2:1
Twisted Pair
Copper 24-26
Gauge
NOTES:
-D1, D2 IN5817 (Schottky)
-Solid jumpers used to connect the loop extender
-Dotted jumpers connect MT8972 without loop extender
80 kbit/s
RA = 390
CA = 22nF CB = 3.3nF
160 kbit/s
RA = 390
CA = 22nF CB = 1.5nF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MH89760B | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89760BN | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89760BS | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| MH89761 | T1 Transmit Equalizer Advance Information |
| MH89770N | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH89760 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MH89760B | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ST-BUS⑩ FAMILY T1/ESF Framer & Interface Preliminary Information |
| MH89760BN | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ST-BUS⑩ FAMILY T1/ESF Framer & Interface Preliminary Information |
| MH89760BS | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ST-BUS⑩ FAMILY T1/ESF Framer & Interface Preliminary Information |
| MH89761 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:T1 Transmit Equalizer Advance Information |
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