9
LED Status Indicators * Normal Operation
LED Activity Indication
HB
Green Blinking * Signal strength OK / Processor OK
Red Blinking
Signal strength LOW or trying to reconnect to net-
work
LED Off No power
Mobile
Green On * Unit has registered and is online
Red Blinking Data traffic on Mobile Network
Serial
Red Blinking Data traffic on Serial Interface
Green Serial Interface OK
CID
Green On * Alarm panel has sent a valid CID event
Red On Dialler lead not connected (No return line R1&T1)
LED Off Normal status when panel off hook
Orange Events sent but R1 & T1 did not restore
PM24 Installation Manual v1.1 RDCCO_2204_E_IN