Models 2603, 2621, and 2635 Getting Started Guide | D • IPLink Physical Connectors |
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E1/T1 (RJ-48C Connector)
The T1/E1 transmit signals are not polarity sensitive, even though they have the traditional designation of Tip and Ring.
Table 11. T1/E1 Port
Pin No. | Signal |
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1 | Receive (Ring) |
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2 | Receive (Tip) |
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3 | Shield (Receive) |
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4 | Transmit (Ring) |
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5 | Transmit (Tip) |
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6 | Shield (Transmit) |
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7 |
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8 |
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RX RX | TX TX |
1 2 3 4 5 6 7 8
Figure 86. T1/E1 RJ-48C connector
Serial port | 128 |