Service manual

Chapter 15
15-22
15.2.2 Menu Switch Settings
0007-7214
T-15-18
005 NL equalizer
Use it to turn on/off the NL equalizer.
Turn on the NL equalizer if an error occurs often because of the line condition at time of communication.
MEMO:
The following error codes are associated with the line condition at time of transmission.
##100, ##101, ##102, ##104, ##201, ##281, ##282, ##283, ##750, ##755, ##765, ##774, ##779, ##784, ##789
The following error codes are associated with the line condition at time of reception
##103, ##107, ##114, ##201, ##790, ##793
006 telephone line monitor
Use it to set telephone line motor functions:
DIAL: Select it to generate a monitor sound for the telephone line from the start of transmission to DIS.
SERVICEMAN [1]: Select it to generate a monitor sound of the telephone line from the start of a communication to
its end.
SERVICEMAN [2]: not used
OFF: Select it to mute the monitor sound for the telephone line for the speaker.
007 ATT transmission level
Use it to set the transmission level (ATT).
Increase the transmission level if an error occurs often because of the line condition at time of a communication.
MEMO:
No. Item Selection Initial
setting
005 NL equalizer 1: ON, 0:OFF OFF
006 telephone line monitor DIAL/SERVICEMAN[1]/
SERVICEMAN[2]/OFF
DIAL
007 ransmission level (ATT) 0 through 15 (ex:15=-15dBm) 10 dBm
008 V.34 modulation speed
upper limit
3429, 3200, 3000, 2800, 2743, 2400 3429
009 V.34 data speed upper
limit
from 2.4 to 33.6 kbps 33.6
010 pseudo CI signal
frequency
50Hz, 25Hz, 17Hz 25Hz