Artesyn ATCA-9405 Installation and Use (May 2014) - Manual (Page 33)

Setup
ATCA-9405 Installation and Use (6806800M71G) 33
2.3.1 Switch Settings
All mechanical switches are OFF in their default configuration. Switch OFF means high level for
the connected signal and switch ON means low level for the connected signal.
IPMC Out of Service (OOS) LED
In Service (IS) LED
Attention (ATN) LED
Hot Swap (H/S) LED
Recessed Reset Button
Table 2-2 Faceplate Interfaces (continued)
Processor Interfaces / Control Elements
For these interfaces, the maximum cable length should not exceed more than 3m.