Gabd-000038 Ver 07 OfficeServ 7200 System Description copyright



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3.3 Power Specifications

3.3.1 Power Supply Unit


The Power Supply Unit (PSU) is installed in the cabinet of the OfficeServ 7200. The PSU supplies the power of -48 V DC received from the external power supply unit to each board. The rating is as follows.

RATING: AC 220~240 V, 6 A; 50/60 Hz or DC48 V 3 A

RATING: AC 100~120 V, 6 A; 50/60 Hz or DC48 V 3 A (for U.S.A)
Table 3.21 Power Specifications


Power Supply Unit (PSU)

Specification

PSU

Input power

AC 220~240 V (Other country)

AC 100~120 V (USA)



Output power

- DC -48 V, 2.2 A

- DC -5 V, 1.0 A

- DC +3.3 V, 10 A

- DC +5 V, 8.0 A

- DC +12 V, 0.4 A

- DC -54 V, 0.4 A (for backup)



External rectifier
(OfficeServ 7150)

Input power

AC 110~220 V (Free Volt)

Output power

DC -54 V, 15 A (Installed 2 Power unit, USA)

DC -54 V, 20 A (Installed 2 Power unit, Other country)




3.3.2 External Rectifier


External Rectifier is an external power resource to supply the power to IP telephone and

SMT-R2000 connected the OfficeServ 7200 when using the PLIM.

External Battery Button

External Battery Socket

A

B

Red line



Blue line

External Rectifier

OfficeServ

7200


Because the internal power capacity is not enough, 48 V power source is supplied to the external equipment by connecting the supplementary power source.

Figure 3.2 External Rectifier


Installing an External Rectifier
For details concerning the installation of the external rectifier, refer to the ‘OfficeServ 7200 Installation Manual’.note_e

3.4 Rings and Tones

3.4.1 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 a country and available to be modified by the software)


Table 3.22 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


Ring ON/OFF Cycle note_e

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



3.4.2 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)

75 Vrms External Sinewave (Italy, Australia)

Frequency: 20 or 25 Hz


The OfficeServ 7200 provides the users with various tones to notify the users of the status of functional operations and give feedback to the users. The ON/OFF cycles of currently specified tones are shown in the table next page:

3.4.3 Tones


Table 3.23 Cycles of the System Tones

Tone

ON/OFF Cycle

Dial tone

1000/250 ms

Busy Tone

500/500 ms

Do Not Disturb tone

250/250 ms

Ring Back tone

1000/2000 ms

Call Park tone

Continuous

Confirmation/Caution/Barge-In tone

50/50 ms

Call Back/Hold tone

500/3500 ms

Ring Back tone

1000/2000 ms

Error/Number Unobtainable tone

250/250 ms

Message Camp On tone

Continuous


Tone ON/OFF Cycle note_e

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





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