HSG80 Array Controller V8.7 Maintenance and Service Guide
3–35
Replacement Procedures for BA370 Enclosure Elements
Replacing an I/O Module
Figure 3–10 shows a rear view of the BA370 enclosure and the relative location of the
six I/O modules (also referred to as ports). Figure 3–11 shows the six I/O modules, the
location of the connectors and securing screws, and a bay-to-bus numbering
correlation.
NOTE: An I/O module can be replaced in either a single-controller or a dual-redundant
controller configuration using this procedure.
This procedure is not applicable for a DS–BA356–Mx-series enclosure.
Figure 3–10: I/O module locations in a BA370 enclosure
Figure 3–11: I/O module bay and bus numbering in a BA370 enclosure
NOTE: The controller can function with one failed I/O module.
Use the following steps to replace an I/O module.
1. Connect a PC or terminal to the maintenance port of an operational controller.
1
Fans
2
I/O modules (6
each)
CXO6575B
2
1
4
3
6
5
2
1
1
Bay 1 and bus 1
2
Bay 2 and bus 2
3
Bay 3 and bus 3
4
Bay 4 and bus 4
5
Bay 5 and bus 5
6
Bay 6 and bus 6
CXO5819B
2
3
4
5
6
1