User Manual
1 INTRODUCTION
The Black BoxDSL Discovery is targeted at the organization of high-rate Black Box to Internet or at
the integration of LANs. The 2B1Q line code is used to transmit information over a twisted pair. The
Black BoxDSL Discovery ensures organization of communication over one twisted pair. The device
provides transmission rates in the range from 192 Kbit/s to 2320 Kbit/s. The parameters of the
device can be set both using switches or stored in the NVRAM with the help of a PC. The
10/100Base-T
interface is used as a user’s interface. The device can operate in the transparent
bridge mode with the dynamic accumulation of MAC addresses.
The device is designed to organize a digital channel on the customer premises side and to connect
this channel with the Black BoxDSL Discovery rack-mount unit installed at the central office side. It
is also possible to interconnect two stand-alone modems, for example, for the organization of
communication between LANs.
The modems support uploading of new firmware versions using the Monitor port.
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