Handheld BER testers handle 50 bps to 50 Mbps
-- Test & Measurement World, 9/1/2008
The LinkTest bit-error-rate (BER) testers from GL Communications can be used to test a variety of communications facilities and equipment. The handheld testers cover data rates ranging from 50 bps to 50 Mbps and include a built-in speaker for monitoring DS0s or time slots. They also display G.821 performance measurements and operate from AC or battery power.
The LinkTest Single unit tests asynchronous, synchronous, T1, Fractional T1, E1, Fractional E1 modems, multiplexers, CSU/DSUs, T1 ESF CSUs, DUs, NTUs, and TIUs. The unit is supplied with V.35, RS-232, RS-422/RS-530, X.21, DS1 (T1, 1.544-Mbps), and G.703 (E1, 2.048-Mbps) interfaces, as well as a wall-mounted AC transformer.
The LinkTest Single+ adds T3 and E3 testing capability, while the LinkTest Dual provides dual-interface testing. The LinkTest Dual also has a LAN interface for TELNET and TFTP. All three models can be controlled from the front panel or through a command line interface, with options for control from a VT100 console, Windows GUI, or local/remote terminal.
GL Communications, www.gl.com.
