RAD Data comm MBE10-1D User Manual
Chapter 1 Introduction
MBE Family Installation and Operation Manual
1-8 Functional
Description
Main
Processor
and
Communication
Processor
2MB
DRAM
LAN
Processor
LAN
Interface
Filtering
Block
MAIN/REM
Switch
Link Interface
(not applicable
to MBE10-1)
Async
Port
Control
RJ-45
LAN
CONN
Power
Supply
AUI
BNC
UTP
V.35/V.24
X.21/
RS-530
4W, ISDN
ERRORS
LINK
LINK
ERRORS
LAN
LAN
LINK Rx
LINK Tx
LAN Rx
LAN Tx
READY
MAIN
REMOTE
POWER
Figure 1-3. MBE Functional Block Diagram
MBE is comprised of the following main circuits (see
• LAN interface
• LAN processor
• Bridge mode filtering block (MBE 10-8 and MBE-10-8D only)
• Link interface
• Main processor and communication processor
• Power supply
• Asynchronous port.
• LAN processor
• Bridge mode filtering block (MBE 10-8 and MBE-10-8D only)
• Link interface
• Main processor and communication processor
• Power supply
• Asynchronous port.
LAN Interface
The LAN interface provides the physical connection to an Ethernet LAN via various
media types: UTP (10BaseT), BNC (10Base2), or AUI (10Base5). The LAN
interface contains receiver and transmitter functions, and clock extraction.
media types: UTP (10BaseT), BNC (10Base2), or AUI (10Base5). The LAN
interface contains receiver and transmitter functions, and clock extraction.
LAN Processor
The LAN processor performs the Media Access Control (MAC) protocols of the
Ethernet, i.e., transmission and reception of frames according to the main
processor's requests, and transmission of LAN status information to the main
processor.
Ethernet, i.e., transmission and reception of frames according to the main
processor's requests, and transmission of LAN status information to the main
processor.
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