24
LED Function Color Description
OK
ILC274D
Module
Status
OFF If power is applied to the system, an internal fault with the ILC274D may exist
nGreen Normal operation
nYellow If no other status LEDs indicate a minor alarm, then a temperature alarm is indicated
nRed If no other status LEDs indicate a major alarm, then an internal error is indicated, such as an
onboard communications error or an onboard power error
EMS
IL Manager
System
Status
OFF The ILC274D module is in local mode and its configuration is controlled by the onboard
configuration switches
nGreen
The ILC274D module is in remote mode and the configuration has been set by the EMS. When in
remote mode, the actual configuration of the module will likely not match the settings of the
configuration switches and changing the configuration switches will have no eect on the
module operation
TX Transmitter
Status
OFF Transmitter is disabled
nGreen Normal operation (repeating input signal)
nRed SFP TX failure exists
Red No SFP is installed
RX Receiver
Status
nGreen Normal operation
nYellow Link errors detected
Yellow Receive optical power is high
nRed No input signal or the input signal type is incorrect (not a valid ILC274M or
ILC274M signal)
Red
Possible causes:
• A low receiver power condition exists
• No SFP is installed
• An SFP RX failure exists
A, B, C, D
270 Mb/s
Channel
Status
OFF Channel is disabled on the ILC274D or ILC274M
nGreen 270 Mb/s video detected
nYellow No signal to the ILC274M
nRed Video input signal rate is outside the range (270 Mb +/- 100 ppm)
Flashing yellow | Flashing red
Install SFP
DLC274D FRONT PANEL LEDS
AR208-006030-B00_A
T: 978-263-5775
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InfinityLink ILC274D - SD-SDI, ASI Digital Video 4 Ch TDM De-Multiplexer
