beautypg.com

Figure 1-10, Clock source indicators – ADLINK PXIS-2719A User Manual

Page 26

background image

16

Introduction

Priority of the 10MHz reference clock is as shown.

Table 1-6: 10MHZ Reference Clock Priority

Three indicators on the backplane indicate the 10MHz clock
source driven to all peripheral slots, as shown.

Figure 1-10: Clock Source Indicators

Table 1-7: Clock Source Indicators Legend

System Timing
Slot (2nd slot)

BNC connector on
rear panel

10MHz clock driven to
peripheral slots

No clock present

No clock present

The 10MHz clock is
generated by backplane.

No clock present

10MHz clock
present

Clock from BNC
connector is driven to all
the peripheral slots

10MHz clock
present

No clock present

Clock from system
timing slot is driven to all
the peripheral slots

10MHz clock
present

10MHz clock
present

Clock from system
timing slot is driven to all
the peripheral slots

A

LEDs

B

Resistors

LED1
R300

LED2
R301

LED3
R302

A

B