Hardware Specifications
C.3.1.2 UTP Cable Specifications
The table below lists the recommended cable specifications for all Cabletron ATM adapters that use UTP cabling to ensure optimal adapter and switch performance.
Description | Value |
|
|
AWG | 24 |
|
|
Impedance (Ω) | 100 ±15% |
|
|
Attenuation (dB/1000 ft Max) | 25 dB @ 16 mHz |
| 52 dB @ 62.5 mHz |
| 67 dB @ 100 mHz |
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Maximum Run | 100 m * |
|
|
Connector Style | |
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* Within the 100 meter run, a maximum of two connections are permissible.
C.3.1.3 UTP Pinouts
All ATM Adapters that can be connected using copper cabling use a standard
Number | Transmit/Receive |
|
|
1 | Transmit (+) |
|
|
2 | Transmit |
|
|
3 | not used |
|
|
4 | not used |
|
|
5 | not used |
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|
6 | not used |
|
|
7 | Receive (+) |
|
|
8 | Receive |
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|
