| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MTAC-GPIO | ACCY CARD GPIO CBL SOLD SEPARATE | Multi-Tech Systems Inc. |
| 2 | RSE116184-S | STAINLESS STEEL ALTERNATIVERelay | Amphenol Pcd |
| 3 | SY4S-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 4 | 2981978 | COUPLING RELAY DIN RAIL 24VSafety Relay DPST-NO (2 Form A) 24VDC Coil DIN Rail | Phoenix Contact |
| 5 | RT314048 | RELAY GEN PURPOSE SPDT 16A 48VGeneral Purpose Relay SPDT (1 Form C) 48VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | ADQ23Q04H | RELAY GEN PURPOSE SPST 30A 4.5VGeneral Purpose Relay SPST-NO (1 Form A) 4.5VDC Coil Through Hole | Panasonic Electric Works |
| 7 | PB-24C4 | I/O MOUNTING BOARD C4 24POSI/O Module Rack 24 Channel | Sensata-Crydom |
| 8 | 70LRCK16-HL | I/O MOUNTING BRD OPENLINE 16POSI/O Module Rack 16 Channel | Grayhill Inc. |
| 9 | 2900893 | BASE STRIPI/O Module Rack 8 Channel | Phoenix Contact |