| CA6 | 8-WIRE ISN acc. to CISPR 22:2005 (EN 55022:2006) for EMC measurements on unshielded telecommunication ports |
| FTS | Functional Test Set. LCL probe and adapter set for fuctional testing of ENY21/ENY41/ENY81 Var.03 |
| ITS | Immunity Test Set. Adapter set for immunity testing (for ENY21 and ENY41) |