3-71
Memory Switch 31 – Modem
Switch
Initial
Setting
Adjust Usage/Comments
7 1
6 0
EYE–Q check level at
7200 bps
0 0 1 1
Strict–– – – – – – – – – – – –Lenient
0 1 0 1
5 1
4 0
EYE–Q check level at
9600 bps
0 0 1 1
Strict – – – – – – – – – – – –Lenient
0 1 0 1
3 1
2 0
EYE–Q check level at
12000 bps
0 0 1 1
Strict – – – – – – – – – – – –Lenient
0 1 0 1
1 1
0 0
EYE–Q check level at
14400 bps
0 0 1 1
Strict – – – – – – – – – – – –Lenient
0 1 0 1
Memory Switch 32 – Modem
Switch
Initial
Setting
Adjust Usage/Comments
7 0 EYE–Q slice level
0: Disable
1: Enable
Setting this bit to “1” enables memory switch 32, bits
0–3 and memory switch 31, bits 0–7 and enables
EYE–Q check adjustment.
6 1 Check EYE–Q
0: No
1: Yes
Set at 0: Line condition status (EYE–Q) is not
checked after checking TCF.
Set at 1: Line condition status (EYE–Q) is checked
after checking TCF.
5 0 Factory use only
4 0 Factory use only
3 1
2 0
EYE–Q check level at
2400 bps
0 0 1 1
Strict – – – – – – – – – – – –Lenient
0 1 0 1
1 1
0 0
EYE–Q check level at
4800 bps
0 0 1 1
Strict – – – – – – – – – – – –Lenient
0 1 0 1