- Accessories for set-up, diagnosis and electrical installation - Flat cable insulation displacement connectors as low-cost connection The extensive range of accessories for set-up, diagnosis and electrical installation ensures reliable operation of AS-Interface networks. A great variety of module sub-parts makes it possible to connect AS-i flat cables, screened or unscreened round cables and field modules. Flat cable insulation displacement connectors are available for cost-saving network extension as well as fast connection of units with round cable or M12 connector. Software, literature and the AS-i tester for detection and documentation of corrupted data messages complete the range.