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Chapter 2: Sample System
Multi-Tech Systems, Inc. CF220 CallFinder User Guide 13
Step 2 Technical: Enter operating parameters of DID lines.
Each DID line has 3 user-specified technical parameters. You set them in the CallFinder software.
Power
48Vdc
Channel 2
Channel 1
Power
5Vdc
Ethernet
FXS/FXO DID
FXS/FXO DID 10/100
Channel Configuration: Channel 1
Max DID Digits 4 DID Start
wink immediate delay dial
Extension Port
FXS FXO
Auto Attendant Delay 0
Receive Gain 100 Transmit Gain 100
Polarity
A B
Update
Channel Configuration: Channel 2
Max DID Digits 4 DID Start
wink immediate delay dial
Extension Port
FXS FXO
Auto Attendant Delay 2
Receive Gain 100 Transmit Gain 100
Polarity
A B
Update
CF
220
(Rear)
Telco
DID
Outlet
Telco
DID
Outlet
of DID Line
Technical Parameters
Technical Parameters Related to DID Line
Parameter Value Comments
Max DID Digits 4 Number of digits received on DID line.
Polarity try A This is a trial-and-error setting. The DID line is a
twisted pair. Only when installed can you know
polarity. You determine the polarity by performance –
with wrong polarity, connections cannot be made.
DID Start ask telco Start mode varies with different implementations of
DID.