3-38
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
Not
used
4 0
Not
used
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
Memory Switch 33 - Modem
Switch
Initial
Setting
Adjust Usage/Comments
7 0
Not used
6 0
Not used
5 0
Not used
4 0
Not used
3 0
Not used
2 0
Not used
1 0
Delete receive echo of CFR
at the receiver side
(For R.3.1 error)
0: No
1: Yes
Sets this switch to “1” to resolve the problem
caused by the echo of CFR.
0 0
Expand FSK receive time
after detecting flag
0: 3.3 seconds
1: 10 seconds
Setting this switch to “1” extends HDLC frame
receive timer in FSK from 3.3 seconds to 10
seconds after detecting pre-amble.
