Item | Component | Description |
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|
|
NA | PLC* | The computer located on the inside door of the control cabinet that |
|
| controls the ECS system |
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|
|
*These components are only installed in the IT section A control cabinet.
IT section B control cabinet
Item | Component | Description |
|
|
|
1 | VESDA air sampling smoke | An early warning laser scan smoke detection unit |
| detection unit |
|
2 | Fire system junction box | Junction box to connect the IT section B fire system to IT section A |
3 | UPS | Provides backup power to the IT section B VESDA in the event of |
|
| power loss to the HP POD 240e NA |
4 | DIN rail with EPO modules | Sends a signal to all of the connected EPO devices |
|
| For more information, see "EPO system (on page 19)." |
5 | DIN rail with terminals and ECS | Sends information from IT section B to the PLC in IT section A |
| communication modules |
|
6 | DIN rail with terminals and fuses | Sends information from IT section B to the PLC in IT section A |
|
|
|
7 | 240/120V transformer | Provides house power to IT section B for convenience outlets |
For more information about the specific control components within the control cabinet, see the Operations and Maintenance Manual for the HP Performance Optimized Datacenter 240e North America (Adiabatic).
Security component identification
The security system components are located in the hot aisle porch.