Mitel SX-2000 - Manual (Page 24)

SX-200 General Information Guide
10 Revision A 50003510
SX-200 SPINE Peripheral Bay
The SX-200 SPINE Peripheral Bay is available as a single (6 slot) or dual (12 slot) configuration.
Each SPINE Peripheral Bay contains one Power Module, and up to six peripheral modules.
The first SPINE Peripheral Bay (SPINE A) also contains a Control Module II (with FIM).
There are limitations regarding the ONS modules. If there are three ONS modules installed in
SPINE A, no other modules may be installed on that SPINE.
The SPINE Peripheral Bay can be located up to 1 km from the control node.