ZyXEL Communications Multi-service Access Platform MSAP2000 - Manual (Page 168)

7. Product Specification
MSAP2000 Technical Manual V3.0 7-61
GSH Panel View
LED Status Description
ACTV (Green) Green: Functioning normally
OFF: CPU, or Power failure
FAIL (Red) ON: CPU, or auto-detection failure
OFF: Functioning normally
DSL(Green) ON: GSH and GSH-R have
connected successfully
TWINKLE: GSH attempting to
connect with GSH-R
OFF: GSH and GSH-R are
disconnected
ALM (Red)
LBK (Green)
ON: Alarm occurrence
OFF: No Alarms have occurred
ON: Loopback testing in progress
OFF: LBK in standby status, or
Loopback testing completed