Sony HDCU-950 Installation And Maintenance Manual page 33

1-7-5. DTX-1 Board
A B
1
DTX
D3
POWER
OPTICAL
CONDITION
2
CCU
D605
D606
D607
3 D608
CHU
D609
D610
4
CHU D611
LOCK
RETURN SET
HD
5
REM
SD
n
When D607 and D610 light up, be sure to clean the
CAMERA connector of the unit, CCU connector of the
camera side and the optical/electrical composite cable.
When D606 and D609 light up, perform the cleaning as
well. For the cleaning procedure, refer to Section 3-1.
D3 (green) : POWER display
Lights up when the voltage used on this board is normally
supplied.
D605, D606, D607 : OPTICAL CONDIITON (CCU) display
Displays the optical level received on the HDCU-950 side.
(0 dBm = 1 mW)
D605 (green) lights up :
Normal (The optical reception level is _17 dBm or more.)
D606 (yellow) lights up :
Normal (The optical reception level is _17 dBm to _20 dBm)
D607 (red) lights up :
Abnormal (The optical reception level is less than _20 dBm.)
n
Attenuates about 0.5 dB for every 1 km of cable.
Attenuates about 0.5 dB for each relay connector.
HDCU-950 IMM
C D E F G H
D608, D609, D610 : OPTICAL CONDIITON (CHU) display
Displays the optical level received on the camera side.
(0 dBm = 1 mW)
D608 (green) lights up:
Normal (The optical reception level is _17 dBm or more.)
D609 (yellow) lights up:
Normal (The optical reception level is _17 dBm to _20 dBm)
D610 (red) lights up:
Abnormal (The optical reception level is less than _20 dBm.)
n
Attenuates about 0.5 dB by every 1 km of cable.
Attenuates about 0.5 dB by each relay connector.
D611 (green) : CHU LOCK display
Lights up when communication with the connected camera
is normally established.
1-7. Functions of Indicators on Boards
J K
DTX-1 board (A side/panel side)
1-25 (E)