3. OPERATION CHECKING ON HARDWARE
JCY-1900
1950
DR Service Manual
53
DOC No. 7ZPNA4409
3.3. Recording Control Unit: NDV-1900/1950
3.3.1. Main Control Board : CDJ-2510
1) LAN
LEDs are incorporated into every LAN connector in RCU to display the status.
The lighting specifications of the LEDs
LED Name Lighting Specifications
LINK/ACT LED
(Yellow)
Lights when the LINK is established
Blinks at the time of receiving or sending data.
Lights or blinks continuously in normal operation
Check the wiring and the power source when it is off.
SPEED LED
(Green)
Lights when the LINK is established on 100BASE-T.
Off when the LINK is established on 10BASE-T.
Lights or off in normal operation.
SPEED LED (GREEN)
LINK/ACT LED (YELLOW)
SPEED LED (GREEN)
LINK/ACT LED (YELLOW)