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8. TEST MODE
8.4
NCU TEST
A. Operational procedure
1. Press [NCU Test].
2. Select a test item.
3. Press the [Start] key.
(In order to move to another test, select the next test item after pressing the [Stop] key.)
NOTE
• When CML / PULSE / EARTH / LOOP relay test is selected and the [Start] is
pressed, ON is displayed in the parameter and relay is turned to ON. When [Stop]
is pressed, relay is turned OFF.
• When the DC-LOOP detection test is selected and [Start] is pressed, DT=0001 is
shown in the title row in case of detecting the DC-LOOP. If not detected, DT=0000
is displayed.
• When the speaker test is selected and [Start] is pressed, On is displayed in the
parameter and the speaker is turned ON. When [Stop] is pressed, the speaker is
turned OFF.
Contents of Test
CML Relay
PULSE Relay
EARTH Relay
LOOP Relay
DC-LOOP Detect
Speaker
Outside Ring Send
Audio Response Send
B. Detailed explanation
(1) DC-LOOP Detect
DT=0001
Indicates three ports.(NOTE).
*Three ports: Input port between the Fax control board and NCU board
130
Relay to Be Tested
RL1
RL5
Not available
Not available
Service Manual
Field Service Ver. 7.0 Jan. 2009
"1":ON
"0":OFF
Y104784-2
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