Specifications

AT-TS24TS

50-Pin Telco-to-RJ45 Octopus Cables (For Model AT-TS24TS). The 10BASE-T

octopus cable breaks out the AT-TS24TS hub 50-pin Telco connector to

individual RJ45 connectors for connecting directly into a patch panel in

the wiring closet. When purchasing an octopus cable, make sure that it is

wired for 10BASE-T

50-Pin Telco-to-RJ45 Harmonica (For Model AT-TS24TS). ATI offers a

harmonica adapter, model AT-ADAPT-2. The harmonica-style adapter for

the AT-TS24TS, shown below, allows direct conversion from the 50-pin

Telco-to-RJ45 receptacles. Since there are many different standards for

the pin-out of the harmonica adapter, make sure that the pin-out of the

adapter you use complies with the 10BASE-T wiring speciﬁcation. Refer to

Appendix B for the pin-out of the Telco connectors for the AT-TS24TS hub

when ordering 10BASE-T harmonica adapters from your wiring vendor.

Alternatively, you may order model AT-ADAPT-2 from your ATI

representative. Figure 24 shows the harmonica-style adapter.

50-Pin Telco-to-Punch-Down Block (For Model AT-TS24TS). Connecting the

AT-TS24TS directly to a punch-down block may be accomplished with a

Telco-connector-to-25-pair-UTP-cable bundle. Refer to Appendix B for the

direct wiring pin-out. Adapter patch panels have a built in punch-down

block for maximum ﬂexibility. Patch panels allow for easy conﬁguration

and reconﬁguration of house wiring requirements.

UTP Hub-to-MAU Wiring

For a 10BASE-T link between a hub and a Media Access Unit (MAU)

transceiver or Network Interface Controller (NIC), the cable is wired

straight-through. That is, an RJ45 receptacle at the hub would wire pin-

to-pin to the RJ45 receptacle at the MAU. The AT-TS24TS follows IEEE’s

10BASE-T hub standard for an embedded cross-over function. Each port

is an MDI-X interface with the receive and transmit pairs crossed

internally.

Note

For information on UTP cabling, refer to the 10BASE-T section in

Appendix A.

Figure 24: AT-ADAPT-2

Telco-to-RJ45

Harmonica

Adapter for

AT-3624TS

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