Samsung 7200 3.5.2 RING, 3.5.1 RING CYCLES, 3.5 RINGS AND TONES, 3.5.1a SYSTEM RING CYCLES, 3.4 CABLE REQUIREMENTS, RING, MAX FEET, EQUIPMENT, ON/OFF CYCLE

3.4 CABLE REQUIREMENTS
EQUIPMENT	CABLE	AWG	MAX FEET	MAX METERS
DIGITAL KEYSET	1 PR. TWISTED	24	1300	400
ADD-ON MODULE	1 PR. TWISTED	24	1300	400
SINGLE LINE STATION	1 PR. TWISTED	24	3000	1 KM
DOOR PHONE	2 PR. TWISTED	24	330*	100

*This the maximum distance a door phone can be from the DPIM. The DPIM can be up to 900 cable feet from the KSU. The total distance must not exceed 1230 feet.

3.5 RINGS AND TONES3.5.1 RING CYCLES

The OfficeServ 7200 provides the trunk line rings, station rings, door rings, and alarm rings. The ON/OFF cycle of each ring is shown in the table below (it is different according to the country, and can be modified by MMC pro- gramming).

3.5.1a SYSTEM RING CYCLES
RING	ON/OFF CYCLE
TRUNK LINE RING	1000/2000 ms
STATION RING	400/200/400/3000 ms
DOOR RING	400/200/400/200/400/2000 ms
ALARM RING	400/200/400/200/400/200/400/1000 ms

Note: The ON/OFF cycle can be adjusted by changing the values of the system database.

3.5.2 RING

The output voltage and frequency of the ring signals in the OfficeServ 7200 are as follows:

•Output voltage: 75 Vrms Square Wave (Built in SLI)

•Frequency: 20 or 25 Hz

The OfficeServ 7200 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 on the next page.

3.3