The outdoor payphone - T10(III) is especially designed to give high resistance against vandalism and lightening surge to withstand all rough environments. Customers can make phone calls by manually entering access code + account number + password of a calling card.
Features
*Function keys for follow-on calls and redial
*Designed for low power consumption
*Free and emergency number can be specified to permit
*Good anti-thunder and anti-interference performance
Environmental
*Operating Temperature:
-25 °C to + 55 °C
*Relative Humidity:
10% to 95%
*Noise:
*Atmosphere Pressure:
86 to 106 kPa
Structural
*Height: 280mm
*Width: 180mm
*Depth: 50mm
*Weight: 3kg
*Keypad: Metallic keys
*Housing Material: Steel
*Pull Resistance of Handset Cord: Not less than 150 kg
Electrical
Power Supply: Line powered
Transmission Performance
- Sending loudness rating (SLR): 2 ~ 15 dB
- Receiving loudness rating (RLR): – 8 ~ 0 dB
- Side-tone masking rating (STMR): >= 10 dB
Ring
- Frequency Range: 10 to 60 Hz
- Ring Voltage: 30~120 Vrms
DTMF Transmission Level
- High Frequency Group:
–7 dBm ± 3 dBm
- Low Frequency Group:
–9 dBm ± 3 dBm
Isolation Resistance between Metallic Parts and Line: >= 50 MΩ (in normal conditions)
