Table 1 shows the Quick Specs.
| 
			 Product Code  | 
			
			 U18D000MRS01  | 
		
| 
			 Part Number  | 
			
			 03054312  | 
		
| 
			 Product Series  | 
			
			 eSpace U1980 (CRS V3)  | 
		
| 
			 Description  | 
			
			 Media Resource Subsystem  | 
		
| 
			 Attributes  | 
			
			 Hardware  | 
		
| 
			 Category  | 
			
			 Hardware  | 
		
| 
			 Product Line  | 
			
			 Unified Communications and Collaboration  | 
		
| 
			 Product Family  | 
			
			 Unified Communications  | 
		
| 
			 UOM  | 
			
			 PCS  | 
		
| 
			 Pack Weight(kg)  | 
			
			 1.48  | 
		
| 
			 Pack Volume(m^3)  | 
			
			 0.01042  | 
		
| 
			 Pack Dimension (D*W*H mm)  | 
			
			 400*280*93  | 
		
| 
			 Net Dimension (D*W*H mm)  | 
			
			 282*170*2  | 
		
| 
			 Typic Power(W)  | 
			
			 24  | 
		
			eSpace U1980 Specifications | 
		||
| 
			 Maximum number of users  | 
			
			 10,000  | 
		|
| 
			 Terminal type  | 
			
			 Analog phones, IP phones, video phones and soft clients  | 
		|
| 
			 Port  | 
			
			 30 E1 ports or 20 T1 ports  | 
		|
| 
			 Trunk protocol  | 
			
			 SS7, R2, PRI, QSIG, QSIG, SIP  | 
		|
| 
			 Codec  | 
			
			 G.711A/μ, G.729a/b, and iLBC  | 
		|
| 
			 Number of meeting participants  | 
			
			 A maximum of 960 meeting participants which can be allocated to 320 meeting halls (each hall can support up to 120 participants by maximum)  | 
		|
| 
			 Power supply  | 
			
			 AC: 100 V to 240 V, 50 Hz/60 Hz  | 
		|
| 
			 Maximum power consumption  | 
			
			 400 W (full configuration)  | 
		|
| 
			 Dimensions (H * W * D)  | 
			
			 Standard 19-inch 6U subrack  | 
		|
| 
			 Weight  | 
			
			 31 kg to 32 kg  | 
		|
| 
			 Environment  | 
			
			 Temperature  | 
			
			 Storage temperature: –40° C to +70° C  | 
		
| 
			 Relative humidity  | 
			
			 5% to 95% (without condensation)  | 
		|
| 
			 Dustproof  | 
			
			 Less than 180 mg/m³ dust in the air (Dustproof measures should be taken in the work environment)  | 
		|
| 
			 System reliability  | 
			
			 >=99.999%  | 
		|
| 
			 Maintainability  | 
			
			 Remote maintenance, automatic configuration, log collection, and Daylight Saving Time (DST)  | 
		|
| 
			 Manageability  | 
			
			 Centralized/remote equipment management, signaling tracing, resource management, and alarm management  | 
		|