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G-TEL 505

 

Owners Manual 

 

 

Introduction to main functions: 

 

1.)

 

The 505 will charge & limit the call automatically based on the number dialed. 

2.)

 

The phone recognizes & rejects invalid coins. 

3.)

 

Tariff rate list is programmable. 

4.)

 

The 505 automatically distinguishes long distance calls, local calls and different area 

codes and prefixes. 

5.)

 

Dialing 911 or other emergency calls are free. 

6.)

 

DTMF or PULSE lines can be used. 

7.)

 

Talk time for incoming calls is programmable. 

8.)

 

Eight groups of specific free speed dial telephone numbers can be programmed.  

    10.)  Phone will restrict up to eight specific telephone numbers. 

 

 

Operation Condition 

 

1.)

 

TEMPERATURE: -10 ~+ 40 C 

      RELATIVE HUMIDITY: 45% ~ 95% 

      ATMOSPHERIC PRESSURE: 86 ~ 106 Kpa 

2.)

 

USE VOLTAGE :  LINE OF PBX 48VDC 

LINE CURRENT: 18mA ~ 100mA 

3.)

 

LINE SIGNAL REQUIREMENTS: 

 
 Type  of tone 

Cadences ( Seconds ) 

Frequency 

Dial Tone 

Continuous 300-650 

Ring back tone 

0.6-1.0 on, 2.0-4.5 off 

300-650 

Busy tone 

0.3-0.5 on, 0.3-0.5 off 

300-650 

 

Technical Parameters: 

 

1.)

 

PULSE DIALING PARAMETER: 

SPEED: 10PPS 

B/M RATIO IS 40: 60 

2.)

 

DTMF DIALING PARAMETER: 

SENDING LEVEL FOR LOW GROUP FREQUENCIES ARE -9dBm ± 2dBm 

SENDING LEVEL FOR HIGH GROUP FREQUENCIES ARE -7dBm ± 2dBm 

3.)

 

ELECTROACOUSTIC PARAMETER ( CCITT STANDARD), USER’S LINE MUST HAVE 5Km 

LONG. 

SLR:  Less than 12 dB     RLR: Less than -1dB     STM: above 10dB 

4.)

 

ALTERNATING IMPEDANCE: 600 

 

 

 

 

 

 

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