ACU (Audio Communication Unit)
Audio interface cards available for UCP1600/2120/4131 series chassis; the ACU module provides 2 pairs of audio ports.
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Unified Communications Platform
Supports up to 20 000 users; Main voice switching equipment; Integrated wideband and narrowband design, high integration;
The UScale X1981 is main voice switching equipment for communication solutions, intended for enterprises supporting up to 20 000 users. It is compatible with various IP terminals and offers professional IP voice and unified communications solutions. The X1981 adopts an integrated wideband and narrowband design with high integration. It can connect to transport networks or private voice switching equipment via digital, analog, and SIP trunks. It supports hybrid access for analog phones and IP phones. The X1981 features modular functionality, easy installation, and hot-swappable single cards. It uses a graphical configuration for convenient deployment and easy maintenance.
Technical specifications:
| Specification | Value |
|---|---|
| Technical specifications | |
| Parameters / | Functions and features |
| User capacity | 20 000 (maximum 20 000 IP users / 192 local analog users) |
| Terminal type | Analog phones, IP phones, video phones, softphone terminals |
| Trunk interface | Max.72 FXO, Max.24 E1/T1 interfaces |
| Signaling protocols | SS7, R2, PRI, QSIG, SIP |
| Codec format | G.711a/u, G.729, G.729a, G.729b, G.729ab, iLBC, G.722, G.722.1, G.722.2 |
| Number of conference channels | Maximum 2 000 participants, maximum 660 meeting rooms, maximum 360 participants in a single venue |
| Voicemail | Supports up to 30 simultaneous channels of integrated voicemail / Supports internal recording on SSD |
| Power supply | AC: 100 V~240 V; 50 Hz/60 Hz; Supports dual power supply modules, 1+1 backup |
| Power consumption | 250 W (fully equipped) |
| Size | Standard 19 inches 2U frame (440 mm×316,6 mm×86 mm) |
| Weight | 10 kg (fully equipped) |
| Environmental indicators | Temperature: Storage temperature: -40 ℃~70 ℃ Long-term operating temperature: 0 ℃~45 ℃ Short-term operating temperature: -5 ℃~55 ℃ Humidity: Operating humidity: 5 %~95 % RH, non-condensing Cleanliness: the working environment must be dust-proof; the concentration of particles in the air is below 180 mg/m3 / |
| System reliability | >=99,999 %, mean time between failures 30 years |
| Maintainability | Supports centralized or remote device management, log management, resource management, and alarm management |
Request a quote: our team will confirm availability, compatibility and a deployment plan.