Normal Program Type Auto Dialer (K0)

Function and feature:
1) Able to store up to 4 phone card accounts, compatible with all types of pre-paid cards.
2) System password: Prevent unauthorized changes to internal settings
3) Supports calling card balance inquiry (custom programmed) and account recharge (programmable).
4) Does not change users' primary dialing habit.
5) one LINE port, one PHONE ports and needn't external power.
6) Restrict calling scope via setting.

Tech parameter:
Environmental:
Temperature: -10~40;
Relative humidity: 10%~95%;
Atmospheric pressure: 86kpa~106kpa;
Feature of calling transfer:
Return loss of stable balance: 0km ≥ 9dB; 2km ≥ 15dB
Return loss of echo balance: 0km ≥ 11dB; 2km ≥ 17dB

DC feature:
DC resistance: ≤130Ω
Leakage current: ≤20μA
Dialer can work normally when switching the power polarity of subscriber line.
Dialer can work normally under the condition of 0 ~ 5km in the subscriber line.
Dialer can meet the request of telephone dialing when automatically DTMF dial-up.
Dialer's functions can't interfere the work of telephone nets and telephone.