Quantum Instruments DLT 7000 manual Synchronous Data Transfer Request Message Data Format

Models: DLT 7000

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Messages

NOTE

The tape drive supports initiating synchronous transfer negotiations with the host, but this feature is disabled by default. To enable it, set the MODE SELECT VU ERROM parameter EnaInitSyncNeg.

Bit

7

6

5

 

4

3

 

2

1

0

Byte

 

 

 

 

 

 

 

 

 

 

0

 

 

 

Extended Message Identifier (01h)

 

 

 

 

 

 

 

 

(see Figure 4-1)

 

 

 

1

 

 

 

 

Length (03h)

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

Message Code (01h)

 

 

 

 

 

 

 

 

 

3

 

 

Transfer Period: Min. = 25 (19h) (equals 100 ns)

 

 

 

 

 

 

 

 

 

 

4

 

 

 

Transfer REQ/ACK Offset: Max. = 15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 4–4 Synchronous Data Transfer Request Message - Data Format

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Quantum DLT 7000 Tape System

Page 102
Image 102
Quantum Instruments DLT 7000 manual Synchronous Data Transfer Request Message Data Format