Ricoh A250 Service Manual page 598

LEDS
3.3 LEDS
There are six LEDs on the G4 Interface board, as shown below.
These LEDs give the following information about the status of the machine.
Initial Settings
Power-up/Reset
Initial setting request from FCU
Initial setting confirmation to FCU
Communication
Layer 1 activated
Layer 2 set
B channel connected (ISDN G4)
B channel connected (ISDN G3)
B channel released
Layer 2 released
Layer 1 deactivated
The following will be displayed if bit 1 of G4 parameter switch E is at 1.
B channel: send I frame (A blinks at this time if bit 1 of
G4 parameter switch E is at 1)
B channel: receive I frame (B blinks at this time if bit 1 of
G4 parameter switch E is at 1)
Note: At the start and end of communication, both A and B will blink.
A250
LED 1 LED 2
1-28
LED 5 LED 6
LED 3 LED 4
O=ON, --=OFF
--
--
--
O
O
O
O
O
O
--
O
O
17 May, 1999
O O
-- -- --
-- O
-- -- --
-- --
-- -- --
-- --
-- -- --
-- --
O -- --
-- --
O O --
-- --
O -- O
-- --
O -- --
-- --
-- -- --
-- --
-- -- --
-- A
O O --
B --
O O --
SM