![](/images/new-backgrounds/1269460/26946061x1.webp)
Chapter 2 Installation
Installing an Internal
Bus Composition Table 3 defines the connections that make up the ADT bus. With the exception of Sensea and Sensed this standard defines the behavior of these connections only when an initiator port asserts Sensea and the target port asserts Sensed.
Table 3 ADT Bus
Connections
Connection |
| Connection |
|
|
Name | O/M | Type | Driven By | Connection Definition |
|
|
|
|
|
Reseta | O | Signal | automation | An automation device may use this |
|
|
| port | connection to signal a reset request to a data |
|
|
|
| transfer device. A data transfer device shall |
|
|
|
| treat the receipt of a signal on this connection |
|
|
|
| as a port logout |
|
|
|
|
|
Sensea | M | Sense | automation | A data transfer device shall use this |
|
|
| port | connection to sense the presence or absence of |
|
|
|
| an automation device on the ADT bus. |
|
|
|
|
|
Senseaux | O | Sense |
| A vendor unique sense connection. This |
|
|
|
| standard does not define the use of this |
|
|
|
| connection. |
|
|
|
|
|
Sensed | M | Sense | DTD port | An automation device shall use this |
|
|
|
| connection to sense the presence or absence of |
|
|
|
| a data transfer device on the ADT bus. |
|
|
|
|
|
Signalaux | O | Signal |
| A vendor unique signal connection. This |
|
|
|
| standarddoes not define the use of this |
|
|
|
| connection. |
|
|
|
|
|
Txa - Rxd | M | automation | An automation device shall use this | |
|
|
| port | connection to send serialized data. A data |
|
|
|
| transfer device shall receive serialized data on |
|
|
|
| this connection. |
|
|
|
|
|
Txd - Rxa | M | DTD port | A data transfer device shall use this | |
|
|
|
| connection to send serialized data. An |
|
|
|
| automation device shall receive serialized |
|
|
|
| data on this connection. |
|
|
|
|
|
17 |