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Technical Specifications
312410-A Rev 00
C-7
10Base-T Repeater Ports (ANH-8/DC only)
The eight Ethernet 10Base-T repeater port RJ-45 connectors on the ANH-8/DC
front panel provide UTP support. The ANH-8/DC transmits the same information
over each repeater port; it allows simultaneous connection to any of the eight
10Base-T ports or AUI port.
Each of the eight shielded RJ-45 jacks is a 10Base-T port using the standard
media-dependent interface with internal crossover (MDI-X) pin assignment. Each
port detects the polarity of the circuit connected to RD Pins 1 and 2 and adjusts
polarity as necessary to correctly complete this circuit.
The UTP repeater Ports 2 through 8 are fixed with internal crossover connection
or media-dependent interface with crossover (MDI-X). This means that you use a
straight-through cable when connecting to other network resources (for example,
workstations or other nonrepeating devices).
Table C-4
shows the RJ-45 pin assignments for the eight front-panel 10Base-T
ports and identifies the pin locations.
Table C-4. RJ-45 Jacks Pin Assignments
Pin Assignment Pin No. MDI-X Signal (Function) MDI Signal (Function)
1 RD + (Receive from UTP wire) TD + (Transmit to UTP wire)
2 RD – (Receive from UTP wire) TD– (Transmit to UTP wire)
3 TD + (Transmit to UTP wire) RD + (Receive from UTP wire)
4 Not used by 10Base-T Not used by 10Base-T
5 Not used by 10Base-T Not used by 10Base-T
6 TD – (Transmit to UTP wire) RD – (Receive from UTP wire)
7 Not used by 10Base-T Not used by 10Base-T
8 Not used by 10Base-T Not used by 10Base-T
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