MX-C250 SIMULATION 6 – 81
101
1
Silent time adjustment when
receiving CM
0 : 75ms
1 : 500ms
2
Individual SiDaa setting judgement
after AT+GCI (ADDG1)
0 : Only GCI command of AT
1 : Activate the SW of indi-
vidual SiDAA registor (U62)
below GCI +.
3
Individual SiDaa setting judgement
after AT+GCI (ADDG3)
0 : Only GCI command of AT
1 : Activate the SW of indi-
vidual SiDAA registor (U63)
below GCI +.
4
Individual SiDaa setting judgement
after AT+GCI (ADDG4)
0 : Only GCI command of AT
1 : Activate the SW of indi-
vidual SiDAA registor (U65)
below GCI +.
5
Individual SiDaa setting judgement
after AT+GCI (ADDG5)
0 : Only GCI command of AT
1 : Activate the SW of indi-
vidual SiDAA registor (U66)
below GCI +.
6
Individual SiDaa setting judgement
after AT+GCI (ITC1)
0 : Only GCI command of AT
1 : Activate the SW of indi-
vidual SiDAA registor (U67)
below GCI +.
7
Individual SiDaa setting judgement
after AT+GCI (ITC3)
0 : Only GCI command of AT
1 : Activate the SW of indi-
vidual SiDAA registor (U68)
below GCI +.
8
Individual SiDaa setting judgement
after AT+GCI (ITC4)
0 : Only GCI command of AT
1 : Activate the SW of indi-
vidual SiDAA registor (U6A)
below GCI +.
102
1
U62 Reg. DAAC1 FULL2
0 : DAA FULL2 bit cleared
1 : DAA FULL2 bit set.
2
U62 Reg. DAAC1 On-Hook Speed
2
0 : Not used at this moment
1 : Not used at this moment
3
U62 Reg. DAAC1 FOH
0 : Automatic calibration timer
set to 426 ms.
1 : Automatic calibration
timer set to 106 ms.
4
U62 Reg. DAAC1 DL
0 : Digital loopback beyond
isolation capacitor interface.
1 : Digital loopback across
isolation capacitor interface
only.
5 - 8
U63 Reg. DAAC3 AC Termination
Select
Real 600
Ω
0 0 0 0
220
Ω
+ (820
Ω
|| 120 nF) and
220
Ω
+ (820
Ω
|| 115 nF)
0 0 1 1
370
Ω
+ (620
Ω
|| 310 nF)
0 1 0 0
Global complex impedance
1 1 1 1
103
1
U65 Reg. DAAC4 PWM Gain
0 : No gain.
1 : 6 dB gain applied to
AOUT.
2
U65 Reg. DAAC4 Powerdown
0 : Normal.
1 : Powerdown.
3
U65 Reg. DAAC4 Powerdown
Line-Side Chip
0 : Normal operation.
1 : Places the Si3018 in
powerdown mode.
4
U66 Reg. DAAC5 Frame Detect
0 : Isolation link frame lock not
established.
1 : Isolation link frame lock
established.
5 - 6
U67 Reg. ITC1 Minimum Opera-
tional Loop Current
10mA
0 0
12mA
0 1
14mA
1 0
16mA
1 1
7
U67 Reg. ITC1 Current Limiting
Enable
0 : Current limiting mode dis-
abled.
1 : Current limiting mode
enabled.
8
U67 Reg. ITC1 DC Impedance
Selection
0 : 50
Ω
dc termination slope is
selected.
1 : D800
Ω
dc termination is
selected.
104
1 - 2
U67 Reg. ITC1 TIP/RING Voltage
Adjust
3.1 V–4 dB
0 0
3.2 V–2 dB
0 1
3.35 V0 dB
1 0
3.5 V0 dB
1 1
3
U67 Reg. ITC1 Ringer Impedance
0 : Maximum (high) ringer
impedance.
1 : Synthesize ringer
impedance. C
4
U67 Reg. ITC1 Ringer Threshold
Select
0 : 11 to 22 Vrms.
1 : 17 to 33 Vrms.
5
U67 Reg. ITC1 On-Hook Speed
0 : Not used at this moment
1 : Not used at this moment
6
U68 Reg. ITC3 Billing Tone Protect
Enable
0 : Disabled.
1 : Enabled.
7
U68 Reg. ITC3 Receive Overload
0 : Normal receive input level.
1 : Excessive receive input
level.
8
U68 Reg. ITC3 Billing Tone
Detected
0 : No billing tone.
Billing tone detected
(cleared by writing 0).
SW
No.
Bit
No.
System set-
tings
Item
SW selection and function
Remarks