ARRIS TM508 Installation Guide - Manual (Page 19)

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TM508/TM512 Installation Guide Release 5 Standard 1.2 Mar 2007
work management agent. The following diagram shows the Telemetry
block and the contacts.
The following table defines the function of each contact in the Teleme-
try block. When the Telephony Modem detects a short between RTN
and another contact, it generates the alarm shown.
Contact Alarm Generated
1 AC Fail
2 Replace Battery
3 Battery Missing
4 Battery Low
RTN (telemetry return line) not applicable
1 2 3 4 Rtn
Telemetry