ARRIS TM508 Installation Guide - Manual (Page 35)

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TM508/TM512 Installation Guide Release 5 Standard 1.2 Mar 2007
4 Connect the DC/telemetry cable to the Telephony Modem as shown
below.
1 (white wire) AC Power Fail
2 (brown wire) Replace Battery
3 (blue wire) Battery Missing
4 (orange wire) Battery Low
5 (green wire) Telemetry Return
6 (black wire) 48 VDC “-”
7 (red wire) 48 VDC “+”
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