Appendix A Specifications
LAN Port Pinouts
Table | Router Specifications (continued) |
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Description |
| Design Specification |
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Frequency |
| 50 to 60 Hz |
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Power output | 26 W maximum | |
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Output voltages | 5 V and 12 V | |
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Integrated 802.11b/g Radio Module |
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Radio technology | IEEE 802.11b and 802.11g standard compliant | |
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Operating frequency | 2412 to 2484 MHz ISM1 band | |
Modulation schemes | OFDM2, DQPSK3, DBPSK4 16 QAM5, 64 QAM, and | |
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| CCK6 |
Number of channels | 11 channels for the U.S., 13 channels for Europe, 14 | |
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| channels for Japan |
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Data rate |
| 54 Mbps with fallback rates of 48, 36, 24, 18, 12, 9, and |
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| 6 Mbps |
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Media access protocol | CSMA/CA7 with ACK8 | |
Power consumption (typical) | 500 mA 3.3V at transmit mode, 320 mA/3.3V at receive | |
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1.ISM = Industrial, Scientific, and Medical.
2.OFDM = orthogonal
3.DQPSK = differential quaternary phase shift keying.
4.DBPSK = differential binary phase shift keying.
5.QAM = quadrature amplitude modulation.
6.CCK = complementary code keying.
7.CSMA/CA = carrier sense multiple access with collision avoidance.
8.ACK = acknowledgement.
LAN Port Pinouts
Table
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| Table | Ethernet LAN Port Pinouts | ||
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1 | RX+ | ||||||
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2 | RX– | ||||||
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3 | TX+ | ||||||
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4 | Unused | ||||||
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5 | Unused | ||||||
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6 | TX– | ||||||
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7 | Unused | ||||||
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8 | Unused | ||||||
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| Cisco Secure Router 520 Series Hardware Installation Guide | ||||
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