2JN
1-3-58
U633
(cont.)
Setting the reference for RTN signal output
Sets the error line rate as the reference for RTN signal output. If transmission errors occur frequently due to
the quality of the line, they can be reduced by lowering this setting.
1. Select the setting using the cursor up/down keys.
Initial setting: 15%
2. Press the start key. The setting is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U634
Setting communication control 5
Description
Sets the maximum number of error bytes judged acceptable when receiving a TCF signal. Used as a measure
to ease transmission conditions if transmission errors occur.
Method
1. Press the start key.
2. Change the setting using the cursor left/right keys or numeric keys.
3. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
U640
Setting communication time 1
Description
Sets the detection time when one-shot detection is selected for remote switching. (This setting item will be dis-
played, but the setting made is ineffective.)
Sets the detection time when continuous detection is selected for remote switching. (This setting item will be
displayed, but the setting made is ineffective.)
Method
1. Press the start key.
2. Select the item to be set using the cursor up/down keys.
3. Change the setting using the cursor left/right keys or numeric keys.
4. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Maintenance
item No.
Description
Display Description
5% Error line rate of 5%
10% Error line rate of 10%
15% Error line rate of 15%
20% Error line rate of 20%
Description Setting range Initial setting
Number of allowed error bytes when detecting TCF 0 to 255 0
Display Description Setting
range
Initial
setting
TIME (ONE) Sets the one-shot detection time for remote
switching.
0 to 255 7
TIME (CONT) Sets the continuous detection time for remote
switching.
0 to 255 80