Brand: Huawei · SKU: U181SCUB1 · MPN: U181SCUB1 · Category: Networking

U181SCUB1 eSpace U1900 Series Unified Gateways eSpace U1981 Switch and Control Board
| Model | U181SCUB1 |
|---|---|
| Codecs | G.711a/μ, G.729a/b/ab, iLBC, and G.722/G.722.1/G.722.2 |
| Weight | 1.02 kg |
| 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% RH, non-condensing; air-filtration systems should be deployed; air-borne dust potency should be less than 180 mg/m³. |
| Trunk ports | A maximum of 60 FXO ports, 12 E1/T1 ports, and 20 BRI ports |
| Power supply | AC: 100–240 V AC, 50/60 Hz; DC: –38.4 to –60 V DC (typical –48 V DC); two power modules in 1+1 backup mode |
| Manageability | Centralized/remote device management, signaling tracing, resource management, and alarm management |
| Power consumption | 220W (in full configuration) |
| System reliability | ≥ 99.999%; mean time between failure (MTBF): 30 years |
| Built-in voice mail | 30 channels concurrently; built-in 16GB SD storage card |
| Conference capacity | A maximum of 360 participants; a maximum of 120 conferences, with up to 60 participants per conference |
| Signaling protocols | PRI, QSIG, SS7, R2, and SIP |
| Terminals supported | Analog phone, IP phone, video phone, and soft terminal |
| Dimensions (H x W x D) | Standard 19-inch 2U subrack; 86.1mm x 442mm x 310mm |
| User capacity per U1981 | A maximum of 10,000 users (including 160 directly-connected analog phone users) |
| Warranty | 3-Year Warranty |
Yes, this U181SCUB1, Huawei eSpace U1900 Series Unified Gateway, Switch/Control Board/U1981 (U181SCUB1) is 100% genuine Huawei hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This U181SCUB1, Huawei eSpace U1900 Series Unified Gateway, Switch/Control Board/U1981 includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the U181SCUB1.