31 March, 1997
NCU PARAMETERS
4-21
Service
Tables
4.4 NCU PARAMETERS
No.
Name
Function & Meaning
Formula
Remarks
00
After selecting a country, all the following parameters are reset to the
country’s defaults.
01
LEVL
Tx signal level from the modem.
Range: 0 to -15 dBm
-
N
dBm
0
15
≤ ≤
N
02
RID0
Acceptable ringing signal detection
frequency, range 1 lower limit
0
127
≤ ≤
N
03
RID1
Acceptable ringing signal detection
frequency, range 1 upper limit
0
127
≤ ≤
N
04
RID2
Acceptable ringing signal detection
frequency, range 2 lower limit
0
127
≤ ≤
N
05
RID3
Acceptable ringing signal detection
frequency, range 2 upper limit
0
127
≤ ≤
N
06
RID4
Number of rings until a call is detected.
While PC-FAX is enabled, “RID4 setting
+3” is used.
N
times
0
127
≤ ≤
N
07
RDT0 Do not change the setting.
08
RDT1 Non-detectable ring frequency; used for
the pulse immunity test in some countries.
0
127
≤ ≤
N
09
DLST Time from OH Relay ON to dialing the first
digit.
160
N
ms
0
127
≤ ≤
N
10
RPST Time from dialing end to the start of CED
detection.
2.56
N
ms
0
127
≤ ≤
N
11
BRKT Break time (in pulse-dialing mode)
N
ms
0
127
≤ ≤
N
12
MAKT Make time (in pulse-dialing mode)
Calculation: 1 ms (033 = 33 ms)
N
ms
0
127
≤ ≤
N
13
MINP Minimum pause between dialing digits (in
pulse-dialing mode)
20
N
ms
0
127
≤ ≤
N
14
PAUT
Pause time for a “Pause” key input
Calculation: 20 ms (033 = 0.66 s)
20
N
ms
0
127
≤ ≤
N
15
DTON
DTMF ON time
5
N
ms
0
127
≤ ≤
N
16
DTOF
DTMF OFF time
5
N
ms
0
127
≤ ≤
N
17
DTLV
DTMF tone attenuation level (high
frequency)
Low freq.
-
N
dBm
High freq.
-(
N+2
) dBm
0
127
≤ ≤
N
18
REDT
Redial interval
Calculation: 2.56 s (025 = 64 s).
2.56
N
s
0
127
≤ ≤
N
19
REDC
Number of total redial attempts
N
times
0
127
≤ ≤
N
20
RST0
Ring reset time
160
N
ms
0
127
≤ ≤
N
21
BRIT
Broadcasting interval
2.56
N
s
0
127
≤ ≤
N
