| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-VCH2CLRC | VOICE CALL HANDSET 2M CABLE RJ11 | Digi International |
| 2 | SP4-PS | SOCKET PCB FOR SP4 RELAYSRelay Socket Through Hole | Panasonic Electric Works |
| 3 | 910514 | RSM 8 24VAC SPDT 10A SOCKETRelay | Weidmuller |
| 4 | 2967196 | 6.2MM PLC ACTUATOR TERM BLOCK 24Relay Socket DIN Rail | Phoenix Contact |
| 5 | 27E419 | RELAY SOCKET 4 POLE PCRelay Socket Through Hole | TE Connectivity Potter & Brumfield Relays |
| 6 | SU4S-11L | SPRING CLAMP SOCKET DIN/PNL MTRelay Socket DIN Rail | IDEC |
| 7 | ALFG2PF09 | RELAY GEN PURPOSE SPST 31A 9VGeneral Purpose Relay SPST-NO (1 Form A) 9VDC Coil Through Hole | Panasonic Electric Works |
| 8 | RU4S-C-A24 | RELAY PLUG-IN 4PDT 6A 24VACGeneral Purpose Relay 4PDT (4 Form C) 24VAC Coil Socketable | IDEC |
| 9 | 70M-ODC15 | OUTPUT MODULE DC MINI 9MA 15VDCDC Output Module Output Module 0.02 ~ 3A 3 ~ 60VDC Output 15VDC (10 ~ 18VDC) Supply | Grayhill Inc. |