MED100A 304 pg. 4 / 4 |
Table 4: Operating Parameters
Parameter | Min. | Typical | Max. | Conditions |
Data Rates | 0 bps |
| 115.2 kbps |
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Data Rates | 0 bps |
| 500 kbps |
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Power Supply Voltage | 10 VDC | 12 VDC | 30 VDC |
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Power Supply Current Draw |
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| 140 mA | Full |
Optic Wavelength |
| 820 nm |
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Fiber TX Launch Power |
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Minimum Required Fiber Rx Power |
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Maximum Receiver Power |
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Coupled Power Budget |
| 12.1 dB |
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Fiber Range |
| 2.5 miles |
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End to End Delay |
| 2000 ns | 2650 ns | |
End to End Delay |
| 550 ns | 1000 ns | |
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End to End Skew |
| 900 ns | 1100 ns | |
End to End Skew |
| 50 ns | 120 ns | |
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Maximum Total Fiber Ring Length |
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| 5 Miles | (See Note 1) |
Delay between Rx & Tx on a fiber ring | 52 µs |
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| (See Note 4) |
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Note 1: For the total transmission time over long fibers, the time to transverse the fiber must be considered if delay is an issue. Light takes about 8.05 microseconds to travel over 1 mile of fiber.
Note 2: When operating in a ring configuration, each node in addition to the two in the
Note 3: When operating in a ring configuration, each node in addition to the two in the
Note 4: When operating in a ring configuration, each serial device must wait at least this minimum time between receiving data from the ring and transmitting back on to it.
Figure 4: MED100A Circuit Diagram
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