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參數(shù)資料
| 型號： | MT9079 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Advanced Controller for E1(先進的E1幀調(diào)節(jié)器和控制器) |
| 中文描述： | 高級控制器素E1（先進的素E1幀調(diào)節(jié)器和控制器） |
| 文件頁數(shù)： | 1/60頁 |
| 文件大?。?/td> | 347K |
| 代理商： | MT9079 |
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4-207
Features
Meets applicable requirements of CCITT
G.704, G.706, G.732, G.775, G.796, I.431 and
ETSI ETS 300 011
HDB3, RZ, NRZ (fibre interface) and bipolar
NRZ line codes
Data link access and national bit buffers (five
bytes each)
Enhanced alarms, performance monitoring and
error insertion
Maskable interrupts for alarms, receive CAS bit
changes, exception conditions and counter
overflows
Automatic interworking between CRC-4 and
non-CRC-4 multiframing
Dual transmit and receive 16 byte circular
channel buffers
Two frame receive elastic buffer with controlled
slip direction indication and 26 channel
hysteresis (208 UI wander tolerance)
CRC-4 updating algorithm for intermediate path
points of a message-based data link application
Applications
Primary rate ISDN network nodes
Digital Access Cross-connect (DACs)
CO and PABX switching equipment interfaces
E1 add/drop multiplexers and channel banks
Test equipment and satellite interfaces
Description
The MT9079 is a feature rich E1 (PCM 30, 2.048
Mbps) link framer and controller that meets the latest
CCITT and ETSI requirements.
The MT9079 will interface to a 2.048 Mbps
backplane and can be controlled directly by a parallel
processor, serial controller or through the ST-BUS.
Extensive alarm transmission and reporting, as well
as exhaustive performance monitoring and error
diagnostic features make this device ideal for a wide
variety of applications.
Figure 1 - Functional Block Diagram
TAIS
TxA
TxB
RxA
RxB
TxMF
RxMF
DSTi
DSTo
TxDL
RxDL
DLCLK
Control
Port
Interface
(fig. 3)
C4i/C2i
F0i
Transmit & Receive
Frame MUX/DEMUX
Data
Interface
Data
Link
Buffer
National
Bit
Buffer
Dual 16
Byte Rx
Buffer
Dual 16
Byte Tx
Buffer
Performance
Monitoring &
Alarm
Control
Control
Interface
ABCD
Signal
Buffer
Test
Code
Gen.
PCM 30
(E1)
Link
Interface
2 Frame Rx
Elastic
Buffer With
Slip Control
÷
256
Phase
Detector
ST-BUS Timing
E2i
E8Ko
Circuit
Timing
Circuit
Timing
V
DD
V
SS
IC
RESET
to all registers
and counters
Ordering Information
MT9079AE
40 Pin Plastic DIP
MT9079AL
44 Pin QFP
MT9079AP
44 Pin PLCC
-40
°
to 85
C
ISSUE 5
March 1997
MT9079
Advanced Controller for E1
CMOS ST-BUS
FAMILY
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| MT90840AP | Distributed Hyperchannel Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT9079AC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS? FAMILY Advanced Controller for E1 |
| MT9079AE | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS? FAMILY Advanced Controller for E1 |
| MT9079AL | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Advanced Controller for E1 |
| MT9079AP | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Advanced Controller for E1 |
| MT9079APR | 制造商:Microsemi Corporation 功能描述:FRAMER E1 5V 44PLCC - Tape and Reel |
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