Allied Telesis AT-MR912TX - Manual (Page 22)

Product Description
2
❑ Internal fan and two side-vents support 0-50
0
C (32-122
0
F) degrees of
temperature
❑ Unshielded/Shielded (UTP/STP) Twisted Pair cabling (Category 5)
❑ Up to 5 meters maximum for each hub-to-hub connection
❑ Up to 100 meters maximum for each hub-to-workstation connection
❑ Auto-partitioning of ports that receive excessive collisions
❑ Full compatibility with other ATI 100 Mbps products
❑ Stackability (AT-MR912TX-19A, AT-MR912TX-29A,
AT-MR912TX-39A). Two metal brackets are included with each
stackable hub
Back Panel
The back panel is equipped with a power receptacle, an AT-MR902
100Base-FX Module faceplate and an AT-MR901 Stacking Module faceplate.
Figure 2: AT-MR912TX Back Panel
Network Cascade Expansion
Port 12 has an internal circuitry, crossover MDI/MDI-X ability which can be
used to cascade additional devices. This port is internally defaulted to the
MDI-X position for standalone operation.
Network expansion means that any two hubs may be cascaded through Port
12 of a hub in one stack to any port (other than Port 12) on any other hub in a
second stack. This process allows a single network workgroup to support as
many as 142 workstations (72 ports/stack x 2 stacks = 144 ports - 2 ports for
cascade connections).
AT-MR901 Stacking Module Faceplate AT-MR902 100BaseFX Module Faceplate