Image 1 of 1 Additel 9051 - Communication cable, Lemo connector to RS232 DB9 male, for RS232 communication with ADT226 and ADT227 calibrator. (Not to be used with TC measure or source) $203.00 Add To Cart Added! Additel 9051 - Communication cable.Part Number: 9051. Additel 9051 - Communication cable.Part Number: 9051. You Might Also Like Additel 959A-MK Maintenance Kit for ADT959A Generator $129.00 Additel 100-HTK Hose Test Kit from $121.00 Additel 110 Inserts for ADT878, Low Temp from $408.00 Additel 110 Inserts for ADT878, TC $1,424.00 Additel 9071 - Connector Adapter from smart connector to 4-wire with gold-plated spades for Additel PRTs, 5 ft (1.5 m) cable length. $484.00