4 Co 16 ext lines office attendance system

4 Co 16 ext lines office  attendance system

1.Outgoing message(3 sections 30S)

2.Hot-call dialing

3.IP Econnomical Routing.

4.Accompany password.

5.Double mode switch.

6.Interrupt,disconnect a call 

7.Do-not-Disturb.

8.Call forward.

 POWER SUPPLY
Power supply voltage: 110VAC or 220 VAC,50/60 Hz 
Maximum power consumption: 30W 
Cross-talk attenuation: >70db 
Internal feeding voltage: +28VDC, 30mA 
Internal ringing voltage:75VAC/50Hz 
External line port voltage: <60VDC 
External line port ringing voltage: 35VAC/25Hz or >35VAC/50Hz 

 ENVIRONMENTAL LIMITS  
Operating temperatures: 0°C to 45°C (32°F to 113°F) 
Operating humidity: 10% to 95% without condensation 

CABLE REQUIREMENTS  
Feature phone: Maximum 100m(2 pairs twisted wire 0.5@) 
Single line phone: Maximum 1,000m(1 pair twisted wire 0.5@)

Outgoing call: DTMF 
Cross lose: > 70dBII  

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 POWER SUPPLY
Power supply voltage: 110VAC or 220 VAC,50/60 Hz 
Maximum power consumption: 30W 
Cross-talk attenuation: >70db 
Internal feeding voltage: +28VDC, 30mA 
Internal ringing voltage:75VAC/50Hz 
External line port voltage: <60VDC 
External line port ringing voltage: 35VAC/25Hz or >35VAC/50Hz 

 ENVIRONMENTAL LIMITS  
Operating temperatures: 0°C to 45°C (32°F to 113°F) 
Operating humidity: 10% to 95% without condensation 

CABLE REQUIREMENTS  
Feature phone: Maximum 100m(2 pairs twisted wire 0.5@) 
Single line phone: Maximum 1,000m(1 pair twisted wire 0.5@)

Outgoing call: DTMF 
Cross lose: > 70dBII  

 Shenzhen Guowei Cesller Technology Co.,Ltd,our headquarter lies in Canada. It is a hi-tech. Company, specializing in manufacturing, developing, selling of group-phone system and communication equipments. The managing idea is to provide continually communication products which joint global communication and synchronize to world communication.

Shipping to worldwide by DHL, FEDEX, TNT and UPS etc.

Lanny Welcome you to ask for price.

Skype: cesller