Operation Manual
5
DL351 Modular I/O
Operator Manual
Chapter 2: Front Panel
The front panel of the DL351 Modular I/O comprises the following:
psu panel
This panel monitors the voltage rails of the two
power supplies. The two sets of panel LEDs
illuminate to show that the voltage rails are active.
There are five yellow LEDs per supply voltage, each
representing a specific voltage rail (+18V,
-18V, +5V, +3.3V and +48V).
Ethernet control panel
The Ethernet control panel has a green LED, which has three states
of illumination to indicate the following:
• Off = not connected.
• On = connected.
• Flashing = active communications.
3
6
7
2
4
5
1
1 Four ventilation panels. Do not
obstruct.
2 Power supply unit monitoring panel; see
“psu panel” on page 5.
3 Ethernet control panel; see “Ethernet
control panel” on page 5.
4 AES50 audio panel monitors; see “AES50
audio panel” on page 6.
5 Control panel; see “Control panel” on
page 6.
6 Eight rows of eight write-on strips for
manually marking the analogue/digital channel
assignments for modules A to H.
7 Cut-outs for rack mounting fixings.










