Samsung ProXpress C3060 Series Service Manual page 108

4. Troubleshooting
Code Name
20-540 Loop cur. det.
20-550 Busy sngl det.
20-560 TCF Duration
20-570 Continuous Frame
4-32
Description
detect if loop current is present prior to
sending
detect busy signal to allow redials
Adjust TCF duration (ms)
disables continuous TX frame command in
Phase B. (DCS Only)
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Default Range
Country 0=OPTION_OFF
Value
1=OPTION_ON
Country 0=OPTION_OFF
Value 1=OPTION_ON
1500 1000~3000
1 0=OPTION_OFF
1=OPTION_ON