DataSMART 600 Series - CSU/DSU
The first illustration shows the location and normal condition of the LED indicators.
NOTE: Do not push the buttons on the right side of the front panel unless directed to do so by System personnel.

If any thing other than a normal condition exists take note using
the chart below. Then notify system personnel of this condition.
This step will assist in the trouble shooting your situation.
| LED | PWR/FAIL | TI | TxD | RxD | CTS | RTS | ||||||||||
| Indicator | green | green, blinking | red-to-green, flashing | blinking red | red | off | red | off | yellow | off | yellow | off | yellow | off | yellow | off |
| Condition | ||||||||||||||||
