ZyXEL Communications Multi-service Access Platform MSAP2000 - Manual (Page 152)

7. Product Specification
MSAP2000 Technical Manual V3.0 7-45
FXO Panel View
LED Status Description
ACTV (Green) Green: Functioning normally
OFF: CPU, or Power failure
occurrence
FAIL (Red) ON: CPU, or auto-detection failure
OFF: Functioning normally
CH1BUSY (Green) ON: E1 Port is set to IS status
OFF: E1 Port is set to OOS status
ALM (Red/Orange) Red: Near-end alarm occurrence
Red-Twinkle: No alarm occurrences
Orange: Far-end alarm occurrence
Orange-Twinkle: Facility loopback
CH2 BUSY (Green) ON: E1 Port is set to IS status
OFF: E1 Port is set to OOS status