Analogue subscriber module (8 a/b) SLMAV8N for OSBiz X8 - CLIP: Display of the caller's number on special CLIP-capable analogue terminals, - for connecting analogue telephones, fax machines, answering machines, loudspeakers, door intercom amplifiers, announcement devices, voice mail, - suitable for remote / external extensions. Mixed operation with SLMA8/24 (44V with CLIP) and with SLMA24 (75V without CLIP) possible. For EMC reasons, the "front cover panel" is also required.