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參數資料
| 型號： | XRT84L18 |
| 廠商： | Exar Corporation |
| 元件分類： | 通信及網絡 |
| 英文描述： | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| 中文描述： | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 190K |
| 代理商： | XRT84L18 |
Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
á
PRODUCT BRIEF
XRT84L18
OCTAL T1 FRAMER
OCTOBER 2000
REV. A1.0.1
GENERAL DESCRIPTION
The XRT84L18 octal T1 Framer is a single chip de-
vice which integrates 8 T1 framers and transmitters
for terminating DS1 Signals. Each framer has its own
framing synchronizer and transmit-receive slip
bufffers, and can be independently enabled or dis-
abled as required and can be configured to frame to
the common DS1 signal formats
Each Framer block contains its own Transmit and Re-
ceive T1 Framing function. The Transmit HDLC con-
troller encapsulates contents of the Transmit HDLC
buffers into LAPD Message frames. The Receive
HDLC controller extracts payload content of Receive
LAPD Message frames from the incoming T1 data
stream and writes it into the Receive HDLC buffer.
Each framer also contains a Transmit and Overhead
Data Input port, which permits “Data Link” Terminal
Equipment direct access to the outbound T1 frames
Likewise, a Receive Overhead output data port per-
mits Data Link Terminal Equipment direct access to
the Data Link bits of the inbound T1 frames.
The XRT84L18 fully meets all of the latest T1 specifi-
cations: ANSI T1.403-1995, ANSI T1.231-1993,
AT&T TR62411 (12-90), AT&T TR54016 and
TR62411, and ITU G-703, G.704, G706 and G.733.
Extensive test and diagnostic functions include Loop-
backs, Boundary scan, Pseudo Random bit se-
quence (PRBS) test pattern generation, Performance
Monitor,
Bit Error Rate (BER) meter, and forced error
insertion.
APPLICATIONS
High-Density T1 interfaces for Multiplexers,
Switches, LAN Routers and Digital Modems
SONET/SDH terminal or Add/Drop multiplexers
(ADMs)
T1 add/drop multiplexers (MUX)
Channel Service Units (CSUs): T1 and Fractional
T1
Digital Access Cross-connect System (DACs)
Digital Cross-connect Systems (DCS)
Frame Relay Switches and Access Devices
(FRADS)
ISDN Primary Rate Interfaces (PRA)
PBXs and PCM channel bank
T3 channelized access concentrators and M13
MUX
Wireless base stations
ATM equipment with integrated DS1 interfaces
Multichannel DS1 Test Equipment
T1 Performance Monitoring
FEATURES (NEXT PAGE)
F
IGURE
1. XRT84L18 8-
CHANNEL
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FRAMER
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Configuration, Control & Status Monitor
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Monitor
LIU &
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Microprocessor Interface
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Rx Serial
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1 of 8-channels
Rx Overhead Out
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2-Frame
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Elastic Store
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Memory
Tx Overhead In
2-Frame
Slip Buffer
Elastic Store
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5[
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FORFN
Tx
Framer
PRBS
Generator
Analyser
&
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External Data
Link Controller
JTAG
Rx Encoder
LIU
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Signaling
& Alarms
Tx Serial
Data In
μ
P
Interface
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Line Side
System (Terminal) Side
Line Side
S
相關PDF資料 |
PDF描述 |
|---|---|
| XRT84L38 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L38_06 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84L38IB | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT84V24 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
| XRT86L30 | Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| XRT84L38 | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 FRAMER |
| XRT84L38_06 | 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 FRAMER |
| XRT84L38IB | 功能描述:網絡控制器與處理器 IC 8 Ch T1/E1 Framer RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT84L38-L38PCI | 功能描述:網絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT84L38-SL38PCI | 功能描述:網絡控制器與處理器 IC RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發器數量: 數據速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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