Automation Direct
| Connector Codes | Description | Type | Gender Outside | Gender Inside | Images |
| M20 | (DL340 CPU Ports) | B/H Cable | RJ-11F/F | M | |
| M21 | (DL05, 06, 105, 205, D3-350, D4-450 CPU Ports) | B/H Cable | RJ-12F/F | M | |
| M22 | (DL06, D2-250 Bottom Port) | Extn | DB15HD-F |
M |
|
| M23 | (DL405 Port CPU, DL405 SLICE I/O) | Extn | DB15-F | M | |
| M24 | (DL405 CPU/Bottom/DCM, DL305 w/DCU RS232) | Extn | DB25-F |
M |
|
| R2 | Category 5e Ethernet | Bulkhd | RJ45F | RJ45F |