A2C3 is usable for RS-422 signals over short haul equipment interconnect distances. Data channel uses special foam PE insulation for extra low signal loss.
EIA-422 standard
Special form PE insulation
UL1581 VW-1 rated
Applicable for RS-422 remote control and D Sub 9-pin parallel
Short distance version of the RS422 class cables
Irradiated foam core PE used for the insulation in the digital signal unit