ARRIS TM508 Installation Guide - Manual (Page 16)

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Touchstone Telephony Release 5 Standard 1.2 Mar 2007
Battery Backup
Power Supply The battery backup power supply kit, order number 718115K, is based
on the APC Broadband PowerShield. It provides 48V DC power and
PacketCable 1.1 compliant telemetry. The kit contains the following
items:
1 Power supply unit
2 20 Ah sealed lead-acid battery
3 Cover
4 Documentation
5 AC power cord
6 DC power/telemetry cable
See “Installing the Battery Backup Power Supply” on page 21, or the
power supply documentation, for installation instructions.
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