E1/T1 Front End, Low-cost Transmitter Links, Permanent Studio Links.

• 384 Kbps X.21
• SNMP and Web Server
• aptX Codec

Professional Quality Audio

The Systembase C500xr range of digital audio codec's have been designed and manufactured to deliver unparalleled performance for professional, real-time audio applications. All models incorporate the fast apt-X Sub Band ADPCM compression system with a coding delay of only 2.8ms at data rates of 384 Kbps. Additional design features include 24bit analogue and AES audio interfaces. The analogue interface is electronically balanced resulting in a high Common Mode Rejection Ratio (CMRR).

Studio to Transmitter Link

The C500xr Codecs are well suited for implementing cost effective FM and DAB Studio-to-Transmitter Links (STL's), providing up to 22.5KHz Stereo audio over a 384Kbps digital line. The bi-directional auxiliary data port facility can be used to simultaneously send RDS control signals to the transmitter, and receive telemetry information.

Digital Audio Interface

AES3 digital audio interface is provided on all models, and is equipped with automatic sample rate conversion to simplify the problems of connecting between a studio reference clock and the ISDN network clock. The AES3 interface is supported via two transformer isolated XLR connectors located on the rear panel.

Web Server

The C500xr range of audio codecs features a built in Ethernet connection. This facility allows each codec to be allocated a unique IP address and remotely managed using the standard windows web browser. To enable a hassle free experience the WEB server pages have been developed to avoid the use of active x components that may require administrative rights to install on the local computer.

SNMP Management

The C500xr Codecs provide support for SNMP (Simple Network Management Protocol). SNMP allows the codec to be managed by industry standard, third party, applications that are capable of monitoring and controlling equipment over LAN and WAN environments.

Headroom Adjustment

A Recent addition to the C500xr range of codecs has been the provision for selecting the effective headroom at the codecs analog interface. By default the analog headroom is set at +12dBu. However, the user may now change to headroom to +18dBu from either the front panel menu or web server interface.

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