Follow Infotel Systems on Facebook Follow Infotel Systems on twitter

Normal Status Lights

Description & Suggested Action
DSL1/DSL2UnlitNo sync // Call your Carrier.
RedPoor signal quality // Call your Carrier.
YellowMarginal signal quality // Call your Carrier.
RED - FlashingError detected on HTU-C or HTU-R // Call your Carrier.
DS1UnlitPremise equipment T1 signal not present or wrong format // Call your Vendor.
RED - FlashingPremise equipment T1 signal errors // Call your Vendor.
ALMRed Local alarm at HTU-R Card detected.
YellowRemote alarm at HTU-C Card detected.
ESF/SFUnlitUnframed mode // Call your Carrier.
YellowESF Framing
GreenSF Framing
LBKYellowActive local loop back at the HTU-R.

For more information or to have your device listed please contact Infotel Systems

The Story Behind "Status Lights"

Infotel Systems . 6008 Hermitage Rd . Richmond, Virginia 23228

All content copyright reserved (c) 2021. Content may not be used without written permission of Infotel Systems Inc