3930> port xcvr
3930(port/xcvr)>show port 1 diagnostics
+--------------------- XCVR DIAGNOSTICS - Port 1       ------------------+
|               |          |         Alarm        |   Warning            |
| Output        | Value    | Threshold     | Flag | Threshold     | Flag |
+---------------+----------+---------------+------+---------------+------+
| Tem     (degC)|  29.748  | HIGH 100.000  | 0    | HIGH  95.000  | 0    |
|               |          | LOW  -40.000  | 0    | LOW  -35.000  | 0    |
+---------------+----------+---------------+------+---------------+------+
| Vcc    (volts)|   3.260  | HIGH   3.700  | 0    | HIGH   3.600  | 0    |
|               |          | LOW    2.900  | 0    | LOW    3.000  | 0    |
+---------------+----------+---------------+------+---------------+------+
| Bias      (mA)|   20.160 | HIGH   70.000 | 0    | HIGH  60.000  | 0    |
|               |          | LOW    0.100  | 0    | LOW    0.200  | 0    |
+---------------+----------+---------------+------+---------------+------+
| Tx Power  (mw)|   0.299  | HIGH   0.631  | 0    | HIGH   0.501  | 0    |
|               |          | LOW    0.100  | 0    | LOW    0.125  | 0    |
+---------------+----------+---------------+------+---------------+------+
| Tx Power (dBm)| -5.2404  | HIGH -1.9997  | 0    | HIGH -2.9999  | 0    |
|               |          | LOW -10.0000  | 0    | LOW  -8.9997  | 0    |
+---------------+----------+---------------+------+---------------+------+
| Rx Power  (mw)|  0.2358  | HIGH  0.6318  | 0    | HIGH 0.5012   | 0    |
|               |          | LOW   0.0063  | 0    | LOW  0.0097   | 0    |
+---------------+----------+---------------+------+---------------+------+
| Rx Power (dBm)| -6.2746  | HIGH -1.9997  | 0    | HIGH -2.9999  | 0    |
|               |          | LOW  -22.0066 | 0    | LOW -21.0237  | 0    |
+---------------+----------+---------------+------+---------------+------+