RAD Data comm ASMI-450 Spezifikationen Seite 25

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Introduction
RADring
Installation & Operation Manual
1-14 System Configuration 8/11/98 12:03
Multiple-Ring Configuration
RADring supports multiple independent rings in the same hub. Separation of
rings is achieved by placement of Ring-In/Ring-Out modules or repeaters
between the rings, or by setting an access module to terminate the ring. The
number of separate rings is not limited and allows a mix of 4 Mbps or 16
Mbps rings. An example is shown in Figure 1-7, where 4 and 16 Mbps rings
are connected via bridges to a 16 Mbps backbone. The bridge can be
provided by an external local Token Ring bridge.
BRIDGE
BRIDGE
Server
BRIDGE
TFR
Departmental
4 Mbps RING
CH1 CH2
CML/N M
RESET
TFR
TX
RX
TFR
TX
RX
TFR
U
T
P
S
T
P
TIO
TFR
Departmental
4 Mbps RING
CH1 CH2
CML/N M
RESET
TFR
TX
RX
TFR
TX
RX
TFR
U
T
P
S
T
P
TIO
TFR
Departmental
16 Mbps RING
CH1 CH2
CML/N M
RESET
TFR
TX
RX
TFR
TX
RX
TFR
U
T
P
S
T
P
TIO
16Mbps
BACKBONE
Figure 1-7 Multiple Ring Configuration
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