Available in slim, rackmount unit with all metal, black box packaging, Model 7373 supports quick access to two RJ45 T1 networks for each of 6 channels. Switch ports are transparent to all data and pins 1, 2, 4, and 5 of RJ45 interface are switched via break-before-make electromechanical relays. All 6 channels switch simultaneously via front panel pushbutton or ASCII RS232 serial data commands, providing time-saving backup option over plugging and unplugging cables.