Ordering Guide – IPm Series RTU
| Part # | Ethernet Ports | RS-232 Ports | RS-485 Ports | DI | DO | AI | AO | NVRAM | FLASH | DRAM |
| ST-IPM-8460 * | 6 | 3 | 1 | – | – | – | – | 8M | 512M | 512M |
| VT-MIPM-245-D | 1 | 2 | 2 | 12 | 4 | 8 | 2 | 512K | 64M | 32M |
| VT-MIPM-135-D | 1 | 2 | 1 | 12 | 8 | 6 | – | 512K | 64M | 32M |
| VT-IPM2M-213-D | 1 | 1 | 1 | 12 | 4 | 8 | 2 | 512K | 32M | 32M |
| VT-IPM2M-113-D | 1 | 1 | 1 | 12 | 4 | 8 | – | 512K | 32M | 32M |
| VT-UIPM-431-H | 1 | 2 | 1 | 8 | 4 | 2 | – | 512K | 16M | 16M |
