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U181SCUB1 Overview

Huawei U181SCUB1 eSpace U1900 Series Unified Gateways eSpace U1981 Switch and Control Board.

Figure 1 shows the appearance of the U1981 unified gateway.

Table 1 shows the Quick Specs.

Product Code	U181SCUB1
Part Number	03030TRH
Product Series	eSpace U1981(CRS V3)
Description	eSpace U1981 Switch and Control Board
Attributes	Hardware
Category	Hardware
Product Line	Unified Communications and Collaboration
Product Family	Unified Communications
UOM	PCS
Pack Weight(kg)	1.02
Pack Volume(m^3)	0.01507
*Pack Dimension (DWH mm)*	410245150
*Net Dimension (DWH mm)*	28014420
Typic Power(W)	28

Figure 2 shows the front panel of U1981 unified gateway.

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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/, 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: 100240 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: 40C to +70C Long-term operating temperature: 0C to 45C Short-term operating temperature: 5C to +55C 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/m.
System reliability	99.999% Mean time between failure (MTBF): 30 years
Manageability	Centralized/Remote device management, signaling tracing, resource management, and alarm management