National Instruments 636 Series User Manual

© National Instruments | 3-7
X Series User Manual
Figure 3-2. Connecting to the Disk Drive Power Connector
4. Replace the computer cover, and plug in and power on the computer.
RTSI Connector Pinout
(NI PCIe-632
x/634x/635x/636x/637x Devices) Refer to the RTSI Connector Pinout section of
Chapter 9,
Digital Routing and Clock Generation, for information about the RTSI connector on
PCI Express X Series devices.
USB Device LED Patterns
(NI USB-634
x/635x/636x Devices) USB X Series devices have LEDs labeled ACTIVE and
READY. The ACTIVE LED indicates activity over the bus. The READY LED indicates
whether or not the device is configured. Table 3-2 shows the behavior of the LEDs.
1 Device Disk Drive Power Connector 2 PC Disk Drive Power Connector
Table 3-2. LED Patterns
POWER
LED*
ACTIVE
LED
READY
LED
USB Device State
Off or On Off Off The device is not powered or not connected to the
host computer, or the host computer does not
have the correct version of NI-DAQmx. Refer to
Table 2-4,
X Series NI-DAQmx Software
Support
, for the NI-DAQmx support information
for your device. Detection can take 30 to
45 seconds.
On Off On The device is configured, but there is no activity
over the bus.
On On On
The device is configured and there is activity
over the bus.
On Blinking On
* USB BNC devices only.
1
2

National Instruments 636 Series Specifications

General

Brand	National Instruments
Model	636 Series
Category	Data Loggers
Language	English