目次
| 受信機電力範囲 | ||
|---|---|---|
| Txパワー | 送信電力信号 | -3～ -9.5dBm |
| Rxパワー | 受信電力信号 | 0～-17dBm |
TxまたはRxのいずれかの電力が-30dBm以下の範囲にある場合は、実際の信号が送受信されていないことを意味します。
| μW(マイクロワット) | mW(ミリワット) | dBm | 説明 |
|---|---|---|---|
| 1 | 0.001 | -30 | 信号の損失 |
| 10 | 0.01 | -20 | |
| 25.1 | 0.0251 | -16 | 2Gbpsの最小受付信号 |
| 31.6 | 0.0316 | -15 | 4Gbpsの最小受付信号 |
| 50 | 0.05 | -13.01 | |
| 100 | 0.1 | -10 | 2Gbpsの最小送信信号 |
| 125.9 | 0.1259 | -9 | 4Gbpsの最小受付信号 |
| 150 | 0.15 | -8.24 | |
| 200 | 0.2 | -6.99 | 通常の光信号強度範囲 |
| 250 | 0.25 | -6.02 | |
| 300 | 0.3 | -5.23 |
2Gbpsの最大許容信号減衰：-18.2dBm
4Gbpsの最大許容信号減衰：-15.4dBm
8Gbpsの最大許容信号減衰：-13.8dBm
# show interface transceiver details
Switch# show interfaces gigabitethernet1/0/3 transceiver detail
ITU Channel not available (Wavelength not available),
Transceiver is externally calibrated.
mA:milliamperes, dBm:decibels (milliwatts), N/A:not applicable.
++:high alarm, +:high warning, -:low warning, -- :low alarm.
A2D readouts (if they differ), are reported in parentheses.
The threshold values are uncalibrated.
High Alarm High Warn Low Warn Low Alarm
Temperature Threshold Threshold Threshold Threshold
Port (Celsius) (Celsius) (Celsius) (Celsius) (Celsius)
------- ------------------ ---------- --------- --------- ---------
Gi1/0/3 41.5 110.0 103.0 -8.0 -12.0
High Alarm High Warn Low Warn Low Alarm
Voltage Threshold Threshold Threshold Threshold
Port (Volts) (Volts) (Volts) (Volts) (Volts)
------- --------------- ---------- --------- --------- ---------
Gi1/0/3 3.20 4.00 3.70 3.00 2.95
High Alarm High Warn Low Warn Low Alarm
Current Threshold Threshold Threshold Threshold
Port (milliamperes) (mA) (mA) (mA) (mA)
------- ----------------- ---------- --------- --------- ---------
Gi1/0/3 31.0 84.0 70.0 4.0 2.0
Optical High Alarm High Warn Low Warn Low Alarm
Transmit Power Threshold Threshold Threshold Threshold
Port (dBm) (dBm) (dBm) (dBm) (dBm)
------- ----------------- ---------- --------- --------- ---------
Gi1/0/3 -0.0 ( -0.0) -0.0 -0.0 -0.0 -0.0
Optical High Alarm High Warn Low Warn Low Alarm
Receive Power Threshold Threshold Threshold Threshold
Port (dBm) (dBm) (dBm) (dBm) (dBm)
------- ----------------- ---------- --------- --------- ---------
Gi1/0/3 N/A ( -0.0) -- -0.0 -0.0 -0.0 -0.0
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