Preparing
Network
Connections
Type
lobe cables
use
either
shielded
twisted
pair
STP
or unshielded
twisted
pair
UTP
cable
and
terminate
at
the
network
end
with
an
RT-ll
plug
See
Figure
2-20
The
TRIP
end
of both
cable
types
is
DB-9
plug
Figure
2-20
TRIP
Token
Ring
Type
Lobe
Cable
Connectors
DB-9
and
RJ-11
Types
IEIIIIIID
TRIP
end
JIIIITh
MAUend
Token
Ring
Physical
Connections
The
IBM
Token
Ring
specifies
star
topology
with
all
end
stations
connected
through
device
called
multistation access
unit
MSAU
IEEE
802.5
does
not specify
any topology
although
most
implementations
are
based
on
star
configuration
with
end
stations
attached
to
device
called
media
access
unit
MAU
Also
IBM
Token
Ring
specifies
twisted
pair cabling
whereas
IEEE
802.5
does
not
specify
media type Most Token Ring
networks
use
shielded
twisted
pair cabling
however
some
networks
that
operate
at
Mbps
use
unshielded
twisted
pair cable
Table
2-14
shows
comparison
of the
two types
Table
2-14
IBM
Token
Ring
and
IEEE
802.5
Comparison
Network
Type
Data Rates
Stations/
Segment
Topology
Media
Signaling
Access
Method
Encoding
IBM
Token
16
Mbps
260
shielded
twisted
pairs
Star
Twisted
Baseband
Token
passing
Differential
Ring
network
72
unshielded
twisted
pairs
pair
Manchester
IEEE
802.5
16
Mbps
250
Not
Not
Baseband
Token
passing
Differential
network
specified
specified
Manchester
Preparing
for Installation
2-31
Summary of Contents for 7513 Series
Page 1: ......
Page 11: ...Cisco 7513 Hardware Installation and Maintenance ...
Page 121: ...Site Log 2 56 Cisco 7513 Hardware Installation and Maintenance ...
Page 162: ...Troubleshooting the Processor Subsystem 4 10 Cisco 7513 Hardware Installation and Maintenance ...
Page 266: ...Interface Processor LEDs B 16 Cisco 7513 Hardware Installation and Maintenance ...
Page 270: ...C 4 Cisco 7513 Hardware Installation and Maintenance ...
Page 288: ...18 Cisco 7513 Hardware Installation and Maintenance ...