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ATLAS 550 System Manual - Adtran

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<strong>ATLAS</strong> <strong>550</strong> <strong>System</strong> <strong>Manual</strong> Section 2 Engineering Guidelines<br />

Octal Ethernet Switch Option Module (P/N 1200766L1), USOC RJ-48C<br />

The Octal Ethernet Switch Option Module provides eight RJ-48C interfaces that can operate as 10BaseT or<br />

100BaseTX. Table 30 gives the pinout for the Ethernet connection.<br />

Table 30. Ethernet RJ-48C Pinout<br />

Pin Name Description<br />

1 TX1 Transmit Positive<br />

2 TX2 Transmit Negative<br />

3 RX1 Receive Positive<br />

4, 5 –––– Unused<br />

6 RX2 Receive Negative<br />

7, 8 –––– Unused<br />

61200305L2-1B © 2004 ADTRAN, Inc. 47

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