Specifications
TurboStack Series Hubs
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The AT-TS24TS module repeats 10BASE-T signals according to IEEE
802.3 specifications. In an eight-slot department concentrator, up to 181
ports may be monitored (seven Slaves containing 24 10BASE-T station
ports each and one Master containing 12 10BASE-T station ports and one
AUI network port).
Note
The AUI network ports on multiple AT-TS24TS or AT-TS24TRS hubs in an
eight-slot department concentrator cannot be used because they reside on
the back panel of the hub and are blocked by the backplane.
You can expand the number of ports by stacking multiple AT-TS24TS hubs
through the backplane connector, making a single logical hub.
Controllers The AT-TS24TS module uses an ATI proprietary multi-port hub controller
to retime and regenerate signals and communicate with the network
management software. The port status for each of the ports is indicated by
an LED display.
AT-TS24TS Port Configurations
Network Port The AT-TS24TS hub has a fixed AUI port, located on the back panel. You
can use the AUI port to connect the hub to the network in a standalone
configuration. In a managed hub, the Master’s front panel AUI port may
be used for the network connection. In a non-managed hub configuration,
if you are using a two- or three-slot chassis, one AUI port is used for the
network connection and the remaining AUI port(s) can be used for station
connections.
Different media connections can be accommodated through the use of an
ATI micro transceiver. For a list of the ATI micro transceivers available for
network connections, see Table 3 on page 19 of this manual.
Station Ports For wiring flexibility, ATI offers 10BASE-T hubs with both individual port
connectors and composite connectors for 25-pair cable. The AT-TS24TS
has two 50-pin Telco (RJ21) connectors.
50-Pin Telco Receptacle (For Model AT-TS24TS). The 50-pin Telco receptacle on
the AT-TS24TS hubs is shown in Figure 23.
Figure 23: 50-Pin Telco
Receptacle (RJ21)
RD - TD -
RD + TD +
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12
3
4
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