| # | Part Number | Description | Manufacturer |
|---|---|---|---|
| 1 | MA-MT-275MU | MTRAK M275 MESSAGE UNIT | Digi International |
| 2 | TXD2SS-12V-Z | RELAY GEN PURPOSE DPDT 2A 12VGeneral Purpose Relay DPDT (2 Form C) Surface Mount | Panasonic Electric Works |
| 3 | G6L-1P DC12 | RELAY TELECOM SPST 1A 12VTelecom Relay SPST-NO (1 Form A) Through Hole | Omron Electronics Inc-EMC Div |
| 4 | SM2S-05C | SOCKET DIN MOUNT FINGERSAFERelay Socket DIN Rail | IDEC |
| 5 | 2967772 | 14MM PLC-HC BASIC TERM BLOCK 24VRelay Socket DIN Rail | Phoenix Contact |
| 6 | XT374S15 | RELAY GEN PURPOSE SPDT 16A 115VGeneral Purpose Relay SPDT (1 Form C) 115VAC Coil Socketable | TE Connectivity Potter & Brumfield Relays |
| 7 | T9AS5D12-9 | RELAY GEN PURPOSE SPDT 20A 9VGeneral Purpose Relay SPDT (1 Form C) 9VDC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |
| 8 | 4-2158100-6 | RZL3-1C4-L012-WRelay Coil | TE Connectivity Potter & Brumfield Relays |
| 9 | RTB14615 | RELAY GEN PURPOSE SPDT 12A 115VGeneral Purpose Relay SPDT (1 Form C) 115VAC Coil Through Hole | TE Connectivity Potter & Brumfield Relays |