| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-VCS1CL | VOICE CALL SWITCH W/ 1M CABLE | Digi International |
| 2 | TX2-4.5V-1 | RELAY TELECOM DPDT 1A 4.5VTelecom Relay DPDT (2 Form C) Through Hole | Panasonic Electric Works |
| 3 | RSE500316 | SMITHSRelay | Amphenol Pcd |
| 4 | P2R-05A | SOCKET BACK MOUNT G2R-1-S SLDRelay Socket Panel Mount | Omron Automation and Safety |
| 5 | 27E488 | SOCKET RELAY SOLD TERM K10 SERRelay Socket Panel Mount | TE Connectivity Potter & Brumfield Relays |
| 6 | 2961299 | RELAY GEN PURPOSE DPDT 8A 12VGeneral Purpose Relay DPDT (2 Form C) 12VDC Coil Through Hole | Phoenix Contact |
| 7 | RJ1S-CLD-D24 | RELAY PLUG-IN SPDT 12A 24VDCGeneral Purpose Relay SPDT (1 Form C) 24VDC Coil Socketable | IDEC |
| 8 | 70G-IDC5 | INPUT MODULE DC 18MA 5VDCDC Input Module Output Module 10mA 5VDC Output 3 ~ 32VDC Supply | Grayhill Inc. |
| 9 | C4IAC | INPUT MODULE AC 14MA 4.5-30VDCAC Input Module Output Module 25mA 4.5 ~ 30VDC Output 90 ~ 140VAC (120VAC Nom) Supply | Sensata-Crydom |