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參數(shù)資料
| 型號： | EM2H |
| 廠商： | LSI CORP |
| 元件分類： | 網(wǎng)絡(luò)接口 |
| 英文描述： | 10Base-2 Ethernet Transceiver Module with On Board Isolation Transformer & DC/DC Converter(10Base-2 以太網(wǎng)收發(fā)器模塊（帶絕緣變壓器和 DC/DC變換器）) |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, DIP14 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 124K |
| 代理商： | EM2H |
Ether Module
TM
-EM2H
10Base-2
1
MD400153/B
Introduction
The Thin Net (Cheapernet) module provides a complete
Local Area Network interface for a station, without a
transceiver cable. The EM2H is an encased module
containing all circuit components for a complete Thin Net
COAX interface and includes an on-board SEEQ CMOS
83C92C transceiver DC/DC converter and solation trans-
former.
The module is compatible with ANSI/IEEE 802.3 and ISO
8802-3.
The module is part of a chipset manufactured by SEEQ
Technology to provide the basic components for a LAN
interface board. The other components include the
80C03, 8005/80C04A Advanced Ethernet Data Link Con-
trollers (AEDLC
TM
), the 8020 or 8023A Manchester Code
Converter (MCC
TM
), and the 80C24 Media Interface
adapter (MIA).
Features
I
The module is compatible with ANSI/IEEE 802.3
and ISO 8802-3 Standards for Thin Net (10BASE2).
I
Contains all Thin Net COAX transceiver functions
within a single encased unit.
I
Squelch circuits on all signal inputs to eliminate
noise.
Ethernet Transceiver Module with on Board
Isolation Transformer & DC/DC Converter
97176
I
Collision Test Generator, externally deselectable to
work with any ANSI/IEEE 802.3 and ISO 8802-3
repeater.
I
Detects and reports network collisions in both
transmit and receive modes.
I
Implemented with SEEQ proprietary high voltage
(20V) and high performance CMOS process.
I
Loopback test detects network cable opens or
shorts.
I
Power On Reset prevents transmission during
power up.
I
Regulated DC to DC Converter on board.
I
Disable pin to power-down module.
I
Isolation Transformer on board.
I
Optimized for Hub and Repeater Applications.
I
EM2H is Available for Adapter Card Applications
AEDLC, MCC and Ether Module are trademarks of SEEQ Technology, Inc.
Figure 1. Ethernet Transceiver Module Block Diagram
COAX
O10 MHz
RX
SQUELCH
COLLISION
TEST
GENERATOR
JABBER
TIMER
SQTX
TRANSMITTER
LFILTER
COCOLLISION
_
+
DLINE
CD +
TX +
TX –
COLLISION
STATION
TRAFROM
STATION
CD –
+
–
REDC/DC
CONV
VCC
VEE
SYS GND
LINE DRIVER
RX +
RX –
TO RECEIVE
1:1
1:1
1:1
DM
18
6
5
12
9
10
10
9
11
2
1
4
3
VEE
1.0 K
1.0
K
VEE
GND
1.0
K
VEE
1.0
K
VEE
Note: Check for latest Data Sheet revision
before starting any designs.
SEEQ Data Sheets are now on the Web, at
www.lsilogic.com.
This document is an LSI Logic document. Any
reference to SEEQ Technology should be
considered LSI Logic.
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|---|---|
| EM2H-CWL-12VDC | 制造商:IMO 功能描述:IMO Subminiature Signal Relay DPCO, 2A, 12VDC, 150mW,AgNi+Au Sealed, RoHS, 50mOh |
| EM2S-CWL-12 | 制造商:IMO Precision Controls Ltd 功能描述:SIGNAL RELAY DPDT 12VDC 2A THD 制造商:IMO PRECISION CONTROLS 功能描述:SIGNAL RELAY, DPDT, 12VDC, 2A, THD 制造商:IMO Precision Controls Ltd 功能描述:SIGNAL RELAY, DPDT, 12VDC, 2A, THD; Coil Type:DC Sensitive; Contact Configuration:DPDT; Contact Current Max:2A; Contact Voltage AC Nom:125V; Contact Voltage DC Nom:30V; Coil Voltage VDC Nom:12V; Coil Resistance:720ohm ;RoHS Compliant: Yes |
| EM2S-CWL-12VDC | 制造商:IMO 功能描述:IMO Subminiature Signal Relay DPCO, 2A, 12VDC, 200mW,AgNi+Au Sealed, RoHS, 50mOh |
| EM2S-CWL-24 | 制造商:IMO Precision Controls Ltd 功能描述:SIGNAL RELAY DPDT 24VDC 2A THD 制造商:IMO Precision Controls Ltd 功能描述:SIGNAL RELAY, DPDT, 24VDC, 2A, THD 制造商:IMO 功能描述:IMO Subminiature Signal Relay DPCO, 2A, 24VDC, 200mW,AgNi+Au Sealed, RoHS, 50mOh |
| EM2S-CWL-24VDC | 制造商:IMO 功能描述:IMO Subminiature Signal Relay DPCO, 2A, 24VDC, 200mW,AgNi+Au Sealed, RoHS, 50mOh |
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