Quantum LTO-3 manual Connection Name Type Driven By Connection Definition

Chapter 2 Installation

Installing an Internal LTO-3 Tape Drive

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	Tx-Rx	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	Tx-Rx	DTD port	A data transfer device shall use this
				connection to send serialized data. An
				automation device shall receive serialized
				data on this connection.

LTO-3 Tape Drive User’s Guide 17