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UCM6510 IP PBX User Manual
Version 1.0.20.31
DAHDI and Analog Hardware Configuration
Analog Hardware
The analog hardware (FXS port and FXO port) on the UCM6510 can be configured under Web GUIPBX
SettingsInterface Settings. Click on to edit signaling preference for FXS port or configure ACIM
settings for FXO port.
Select “Loop Start” or “Kewl Start” for each FXS port. And then click on “Update” to save the change.
Figure 102: FXS Ports Signaling Preference
For FXO port, users could manually enter the ACIM settings by selecting the value from dropdown list for
each port. Or users could click on "Detect" and choose the detection algorithm, two algorithms exist (ERL,
Pr) for the UCM6510 to automatically detect the ACIM value. The detecting value will be automatically filled
into the settings.
Figure 103: FXO Ports ACIM Settings
Note:
ACIM setting is very important for the FXO/PSTN line to work properly on the UCM6510. If the users
experience echo, caller ID or disconnecting issue, please make sure to run the ACIM detection to find out
the correct value for impedance setting.