United States (English / $USD) 
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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, E1 telephony card for European Term, can be flexibly configured in PBX-U502/U503 by hot-plug mode to expand its functionality, it supports 4 E1 per board and any four boards of the same series can be mixed according to your specific needs.
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The E1 line is a digital trunk line widely used in Europe, China, and most Asian countries, and supports up to 30 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 | 13.20W | 7.28W | 6.61W | 8.48W |
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 |
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, E1 telephony card for European Term, can be flexibly configured in PBX-U502/U503 by hot-plug mode to expand its functionality, it supports 4 E1 per board and any four boards of the same series can be mixed according to your specific needs.
View products The E1 line is a digital trunk line widely used in Europe, China, and most Asian countries, and supports up to 30 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 | 13.20W | 7.28W | 6.61W | 8.48W |
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 |
US$1,099.00
