hfc test kit
The stel-9252 upstream transmission test kit evaluates and tests modulator and demodulator products for hybrid fiber/coaxial-cable systems. The kit consists of the stel-1109, which provides selectable modulation formats for either qpsk or 16 qam; stel-1209, which provides burst and continuous modulated output; and stel-9257 headend demodulator, which is tunable over a 5- to 65-MHz input frequency. The kit also includes interface board, cabling, and PC-based software.
Stanford Telecommunications Inc.