CO Line Specifications IPT Initialization
IPT Installation Manual Feb,, 2015 1-19
• Loop start only
• REN (Ringer Equivalence Number) is one
• DTMF dialing
• No AROH (Automatic Release Of Hold)
• Ring frequency: 15.3 Hz to 68 Hz
• Ring voltage: Must be greater than 30 vrms
• Ringing ON Time must be greater than 500 ms and less than six
seconds. If continuous ringing for more than six seconds occurs the
IP5122-SDC will stop ringing and the LED will stop flashing.
Note: Connection to a PBX is not supported.
Note: The total REN of the devices attached to the CO Line (i.e.;
Two IP5122-SDCs and one FAX = 3 REN) must not exceed
the specification from the PSTN CO.
IPT Initialization The IP5122-SDC has a fourth initialization option (FB04). ACO Default.
1. Place the telephone in Programming Mode - Press 3+6+9+Hold
simultaneously.
2. Press Vol s then press Hold.
3. Press FB04.
FB04 ON = Revert to factory default ACO settings
FB04 OFF = Use the saved ACO settings
Features And Feature
Interaction
The CO Line is accessed directly when the ACO key is selected, the
IP5122-SDC then acts as a single line DTMF telephone. No IPedge/
IPedge
PSTN
LAN
MDF
Protectors
One CO Line circuit can be bridged to a maximum
of four IP5122-SDC stations, provided the total REN
does not exceed the PSTN CO Line circuit REN.
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