| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1756-CN2R |
| Product Description: | ControlNet communication module |
| Module Type | Bridge Module |
| 1756-CN2R | Series |
| Maximum Nodes | 99 |
| ControlLogix | Module Type |
| Maximum Connections | 131 |
| ControlNet communication module | Location |
| Chassis | Backplane Current (5.1 Volts DC) |
| Communication Port: | Two (2) ControlNet; One (1) USB |
| ControlNet Communication Rate | 5 megabits-second |
| 1300 mA | Backplane Current (24 Volts DC) |
| Configuration | Redundant |
| 3 mA | Isolation Voltage |
| Compatible Power Supply (Redundant): | 1756-PA75R, 1756-PB75R, 1756-PSCA2 |
| Slot width | 1 |
| UPC | 10612598324436 |