U291CKU01

U2990 Specifications

Maximum Number of Users

30,000 subscribers for single frame, and maximum of 300,000 subscribers by 7 frames cascading

Trunk interfaces

128E1/T1 for single frame

Signaling Protocol

E1/ISUP, E1/TUP, E1/PRI, T1/PRI(ITU-T standard), SIP

Codec

G.711, G.729, G.722, G.722.1, G.722.2, G.723, iLBC, AMR/EVRC

Number of Meeting Channels

480 participants for each meeting hall

BHCC

180K (single frame)/1800K(7 frames cascading)

Power Supply

DC: -57V~-40V, Standard: -48V Power supply redundancy(totally 2 pairs of power modules, and each pair supply power for half of the frame)

Maximum Power Consumption

1250W(fully configured)

Dimensions

7U frame Height:312mm, Width:442mm, Depth:409mm

Environment

Temperature: 5°C～45°C

Humidity: 5%～85% RH, no condensing Air Pressure 70～106KPa Seismic Performance: Resist 7～9 level on the Richter earthquake

System Reliability 9

99.999%

Maintainability

Remote maintenance, log collection,and hot patch

Manageability

Centralized/Remote equipment management, signaling tracing, resource tracing, and alarm management