Code Blue IA3100 - IA3100 Electrical Line Testing; Loop Current Test Configuration; Ring Voltage Test Configuration; Talk Battery Test

Code Blue
•
259 Hedcor Street
•
Holland, MI 49423 USA
•
800.205.7186
•
www.codeblue.com
GU-145-Epage 20 of 23
IA3100
Administrator Guide
If the IA3100 doesn’t seem to be functioning properly, follow the steps below to test line loop current,
ring voltage and talk battery. These line levels are important to the proper function of the IA3100.
For those using non auto ranging meter.
Please make sure you have proper polarity set
up for each test.
For those with Fluke Meters, they are generally
auto-ranging. Also they’re bidirectional,
meaning polarity is not an issue.
Note
0.0
AC DC
Curren
t
Com
AC DC
Volts
Code Blue
Phone
Telephone
Tip & Ring
Analog
POTS Line
Source
Tip
Ring
Testing Loop Current
Interrupt one wire of the pair and connect
through your Amp Meter, as diagrammed.
Set your meter on mA DC range
Either call the Code Blue Phone or
Activate the Code Blue Phone and note
the mA reading, once the connection to
the party has been made.
The IA3100 Min Loop current is 27mA with a max of
50mA.
The IA3100 Loop Current is 23 – 35mA.
0.0
AC DC
Curren
t
Com
AC DC
Volts
Code Blue
Phone
Telephone
Tip & Ring
Analog
POTS Line
Source
Testing Ring Voltage
With your volt meter connected
to tip and ring.
The meter needs to be set to AC.
Place a call to the unit and
record the AC voltage during the
ring cycle.
Normal Ring Voltage, according
to the FCC, is 100 Volts AC.
0.0
AC DC
Curren
t
Com
AC DC
Volts
Code Blue
Phone
Telephone
Tip & Ring
Analog
POTS Line
Source
Testing Talk Battery
Connect your meter as diagrammed.
Set the meter to DC mode.
Activate the phone while connected in
conversation mode record the DC voltage.
Ranges: S-B PBX -24 to -48 Volts DC
Larger systems, including the Bell
network, are always -48.
Loop Current Test Configuration Ring Voltage Test Configuration
Talk Battery
(Continued on next page)