Using the 82357A
Modes of Operation
Modes of Operation
This section describes normal operational modes for the 82357A, including:
Initial 82357A Operating States
Introduction to 82357A Operating Modes
Single 82357A Operation
Multiple 82357A Operation
SRQ Operation
Initial 82357A Operating States
The following figure shows the sequence of initial operating states when the 82357A is first connected to a USB port on a PC or on a USB hub.
State | Description | LED States |
| |
|
| READY | FAIL | ACCESS |
|
| (Green) | (Red) | (Green) |
|
|
|
|
|
1
2
|
| 82357A is connected to a USB port | |
82357A Connected, | |||
| on the PC or on a USB hub, but no | ||
No Power |
| power is applied to the 82357A. | |
|
| Power is applied to the 82357A | |
|
| ||
|
| ||
82357A Connected, |
| from the USB port, but startup | |
Power Applied |
| firmware not yet downloaded. | |
|
|
|
3
82357A Installed
but not Configured
Host computer has downloaded startup firmware to the 82357A. The 82357A has been installed but not yet configured.
4
Normal Operation,
Idle State
82357A has been configured for operation with the Agilent IO Libraries.
5
Normal Operation,
GPIB Transfers
The ACCESS LED is ON for any GPIB transfers.
LED OFF 
LED ON 
Intermittent
Chapter 2 | 35 |