DESCRIPTION

The STM7E1 consists in 7 identical ISDN E1 channels, each channel corresponding to 4 main low-resistant switches (a and b) and 2 auxiliary switches (c and d). The switches positions in all the channels are identical and controlled by a unique control resource driven by the digital inputs Lm, Ls and Sc.

■ MAIN SWITCHES MAX. RON LESS THAN 2Ω

■ PROVIDES 7 AUXILIARY SWITCHES WITH

RON < 75Ω

■ 6VPP AMPLITUDE OF ANALOG INPUT

SIGNAL

■ DIGITAL INPUTS ARE TTL LEVELS

COMPATIBLE