DSU II Digital Expandable Systems - Myco-com.biz
DSU II Digital Expandable Systems - Myco-com.biz
DSU II Digital Expandable Systems - Myco-com.biz
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<strong>DSU</strong><strong>II</strong> LCD Speakrphone User’s Guide<br />
Switch between your telephone and the IST device by pressing the<br />
DATA button that the installer has programmed on your telephone.<br />
The light associated with the DATA button provides status indications<br />
for your reference.<br />
DATA Light Telephone Status<br />
OFF Your telephone is selected for operation<br />
On Green Your IST device is selected but is idle<br />
On Red Your IST device is selected and is busy<br />
Flashing Red Your IST device is ringing<br />
IMIST Module<br />
August, 03 Comdial 85