U18Z01DCFM
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| Model: | U18Z01DCFM eSpace U1900 Series Unified Gateways |
| Detail: | U18Z01DCFM eSpace U1900 Series Unified Gateways eSpace U1981 DC Integrated Fram |
eSpace U1981 Specifications | |
| User capacity per U1981 | A maximum of 10,000 users (including 160 directly-connected analog phone users) |
| Terminals supported | Analog phone, IP phone, video phone, and soft terminal |
| Trunk ports | A maximum of 60 FXO ports, 12 E1/T1 ports, and 20 BRI ports |
| Signaling protocols | PRI, QSIG, SS7, R2, and SIP |
| Codecs | G.711a/μ, G.729a/b/ab, iLBC, and G.722/G.722.1/G.722.2 |
| Conference capacity | A maximum of 360 participants A maximum of 120 conferences, with a maximum of 60 participants per conference |
| Built-in voice mail | 30 channels concurrently Built-in 16G SD storage card |
| Power supply | AC: 100–240 V AC, 50/60 Hz DC: –38.4 to –60 V DC, typical value: –48 V DC Two power modules in 1+1 backup mode |
| Power consumption | 220 W (in full configuration) |
| Dimensions (H x W x D) | Standard 19-inch 2U subrack 86.1 mm x 442 mm x 310 mm |
| Weight | 10 kg (in full configuration) |
| Environment | Storage temperature: –40°C to +70°C Long-term operating temperature: 0°C to 45°C Short-term operating temperature: –5°C to +55°C Operating humidity: 5% to 95% relative humidity (RH), no condensing Air-filtration systems should be deployed in the operating environment. Air-borne dust potency should be less than 180 mg/m³. |
| System reliability | ≥ 99.999% Mean time between failure (MTBF): 30 years |
| Manageability | Centralized/Remote device management, signaling tracing, resource management, and alarm management |
Q & A
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