User guide

Hardware Planning
890 USE 108 00 August 2001 111
Using a BXT 203
Cable (30-Pin
Female-to-Male
Connectors)
A DTA 200 primary backplane and up to two secondary backplanes may be
mounted in a drop. The three backplanes may be stacked in two rows on two DIN
rails and connected via a BXT 203 bus extension cable. Only one BXT 203 cable is
allowed per system.
Case 1: A single DTA 200 backplane over one DTA 201 backplane, in this case,
the traffic cop defines modules in racks 1 and 2.A single DTA 200 backplane over
one DTA 201 backplane, in this case, the traffic cop defines modules in racks 1
and 2.
This shows case 1.
Case 2: A DTA 200 backplane and one DTA 201 backplane over one DTA 201
backplane, in this case, the traffic cop defines modules in racks 1, 2, and 3.
This shows case 2.
Note: The BXT 203 cable allows stacked configuration that leaves the last 30-pin
A120 I/O expansion receptacle available for applications requiring an Enabler Key.
For example, the Gas Flow Enabler Key 130 HEK 301 0x.