Bio-Rad ChromLab™ Software - Manual (Page 224)

A | Maintaining the Instrument
222 | NGC Chromatography Systems and ChromLab Software
7. Locate the connector cable that ships with the expansion tier.
8. View the connector ends. Each end is beveled. The direction of the bevel
determines the tier into which to insert the connector:
 The end with the bevel slanting up inserts into the upper tier’s connector
port.
 The end with the bevel slanting down inserts into the lower tier’s connector
port.
Fourth expansion tier
Previously attached
third tier