64x64 Router
3-5
SC-400 Control Board
SC-400 Control Board
The SC-400 is a limited feature version of the SC-4 System Controller. When installed within a
UT-400 frame, it becomes a stand-alone router with control capability.
FIGURE 3-2.
SC-400 Control Board View
The SC- 400 LED Indications
•
The ‘Ready’ LED indicates whether or not the cards are in sync and communicating with
one other.
•
Active, which indicates the ‘controlling’ card when the board is part of a redundant pair. The
LED is green (ready) when the card is in default status. The current default card will give up
control to its alternate when the
changeover
button is pressed.
•
Power Ok. All power supplies are functional.
•
Power Error indications. Located behind the Power Ok LED, these will illuminate to indicate
a problem with a specified power supply.
Note that when installed in the 400/64 chassis,
an illum12V alarm LED is normal.
Power OK
Battery
Active
Ready
Sync
ENET
Board placement within the
64x64 router
Summary of Contents for Utah-400 iP
Page 1: ...The Utah 400 Digital Routing Switcher 64x64 Systems System Setup and Operations ...
Page 26: ...Introduction 1 14 The Utah 400 ...
Page 52: ...Hardware Installation 2 26 The Utah 400 ...
Page 122: ...Specifications A 8 The Utah 400 ...
Page 136: ...The Debug Port B 14 The Debug Port ...
Page 142: ...The Utah 400 Digital Audio Breakout Panel C 6 The Debug Port ...
Page 146: ...TOC 4 The Utah 400 ...