The PSTN Supervised Payphone P531 is designed to offer a convenient and profitable solution for PCOs (public call offices) or call shops. Especially, the payphone supports supervision of PCOs via a smart card or calling card.
Adding to the support from our versatile Payphone Management System (PMS), operators can also benefit from an easy supervision and maintenance of payphones with maximum revenue.
See the overview of Supervised Payphone here.
| Operating Temperature | -10°C ~ +50°C |
| Relative Humidity | 10% ~ 95% |
| Noise | ≤ 60 dB(A) |
| Atmosphere Pressure | 86 ~ 106 kPa |
| To AC/DC Adapter | Yes |
| To Printer | Yes |
| To Loading Card / Call Shop Console | RJ45 |
| To Fax Machine / Extension Line | RJ11 |
| To Smart Card | Card reader at right side |
| To Calling Card | SIM socket at bottom |
| Accepted Anti-Line-Tapping Signal | 12kHz |
| Accepted Metering Signal | Polarity reversal, 12/16kHz, PTT (Push-To-Talk) |
| Power Supply | Line powered. Minimum 18 mA for operating. Support connecting to AC/DC adaptor. | |
| On-Hook Leakage Current | ≤ 500 µA | |
| DTMF Transmission Level | High Frequency Group | -7 dBm ± 3 dB |
| Low Frequency Group | -9 dBm ± 3 dB | |
| Isolation Resistance between Line and Earth | ≥ 50MΩ | |
| Remote Monitoring/Control via PMS | Supported | |
| Housing Material | ABS |
| Display | 7-segment LCD with backlight |
| Lifespan of Hook Switch | > 200,000 operations |
| Lifespan of Plastic Keypad | > 500,000 operations |
| MTBF | > 10,000 hours |
| Dimensions | 240mm X 215mm X 80mm |
| Weight | 1.3 kg |