DSP-4000 Series
Getting Started Guide
10
Table 3. Remote Connectors and Features
Item Feature Description
1
RS-232C serial port A DB9P connector for loading software updates.
2
2.5 mm phone jack Connection for the headset supplied with the test tool.
3
AC adapter/
charger jack
Connection for the ac adapter/charger supplied with the test tool.
LED off,
unit turned off
Battery is not charging.
The charger is not plugged in.
LED off,
unit turned on
Battery is not charging.
The charger is not plugged in or the test tool is running a test. When
the test is finished, charging resumes unless the battery is already
charged (>80%).
LED flashing red Fast charge pending.
Charging is beginning. This state may last for several minutes until
fast charging begins.
LED steady red Fast charge.
The unit stays in fast charge mode for up to 4 hours, or until either
the battery is fully charged or a test is initiated.
4
AC power indicator
LED steady
green
Charge complete.
Fast charge is complete. The unit enters trickle charge mode.