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When your business expands, more users and concurrent calls can be added easily to meet growing business needs through the telephony cards in the IP PBX.
U-4DTU, a T1 telephony card for North American Term, can be flexibly configured in PBX-U502/U503 by hot-plug mode to expand its functionality. It supports 4 T1 per board and any four boards of the same series and can be mixed according to your specific needs.
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The T1 line is a common digital trunk line, mainly used in the United States, Canada, and Hong Kong, and supports up to 24 users dialing simultaneously.
Digital trunk lines can improve transmission efficiency, ensure signal quality, expand transmission distance, and enhance compatibility and flexibility.
Matching IP PBX | PBX-U502/U503 | PBX-U502/U503 | PBX-U502/U503 | PBX-U502/U503 |
8 FXO | — |  | — | — |
8 FXS | — | — | | — |
4 FXU | — | — | — | |
4 E1/T1 | | — | — | — |
Standard Interface | RJ48 | RJ45 | RJ45 | RJ45 |
Max Power Consumption | 11.2W | 6.61W | 8.48W | 7.28W |
Storage Temperature | -20°C to 80°C | -20°C to 80°C | -20°C to 80°C | -20°C to 80°C |
Operating Temperature | 0°C to 45°C | 0°C to 45°C | 0°C to 45°C | 0°C to 45°C |
Humidity | 10%-90% Non-Condensing | 10%-90% Non-Condensing | 10%-90% Non-Condensing | 10%-90% Non-Condensing |
Dimensions | 20×207×130mm | 20×207×130mm | 20×207×130mm | 20×207×130mm |
E***y
Canada
D***n
Canada
L***n
United States
