Altera Signal Integrity Development Kit, Stratix V GX Edition - Manual (Page 37)

Chapter 6: Board Test System 6–17
Using the Board Test System
July 2012 Altera Corporation Transceiver Signal Integrity Development Kit
Stratix V GX Edition User Guide
The Molex Tab
The Molex tab allows you to run an x4 backplane loopback test through the Molex
connector.
Figure 6–8 shows the Molex tab.
1
No loopback board is provided. A loopback backplane can be purchased from Molex.
The following sections describe the controls on the Molex tab.
Status
The Status control displays the following status information during the loopback test:
■ PLL lock —Shows the PLL locked or unlocked state.
■ Channel lock —Shows the channel locked or unlocked state. When locked, all
lanes are word aligned and channel bonded.
■ Pattern sync —Shows the pattern synced or not synced state. The pattern is
considered synced when the start of the data sequence is detected.
Figure 6–8. The Molex Tab