3.5.2 RINGThe output voltage and frequency of the ring signals in the OfficeServ 7100 are as follows:• Output voltage: 75 Vrms Square Wave (4SLM)• Frequency: 20 or 25 HzThe OfficeServ 7100 provides the users with various tones to notify the users of the status of functional opera-tions. The ON/OFF cycles of currently specified tones are shown in the table below.Note: The ON/OFF cycle can be adjusted by changing the values of the system database.*Overrides headset mode.3.33.5.3 SYSTEM TONESTONE ON/OFF CYCLEDIAL TONE 1000/250 msBUSY TONE 500/500 msDO NOT DISTURB TONE 250/250 msRING BACK TONE 1000/2000 msCALL PARK TONE CONTINUOUSCONFIRMATION/CAUTION/BARGE-IN TONE 50/50 msCALL BACK/HOLD TONE 500/3500 msRING BACK TONE 1000/2000 msERROR/NUMBER UNOBTAINABLE TONE 250/250 msMESSAGE CAMP ON TONE CONTINUOUS3.6 KEYSET LED INDICATIONSCONDITION LED COLOR LED ON LED OFFLINE IDLE OFF — OFFLINE IN USE RED / GREEN STEADY —RECALL AMBER 500 ms 500 msCALL ON HOLD RED / GREEN 500 ms 500 msRINGING C.O. CALL GREEN 100 ms 100 msRINGING INTERNAL CALL GREEN 100 ms 100 msDND INDICATION RED 112 IPM for 500 ms 500 msOPERATOR CALLS RED 100 ms 100 msANS / RLS (DND)* RED 112 IPM for 500 ms 500 msANS / RLS (HANDSET MODE)** RED STEADY —