HP NonStop G-Series - Manual (Page 53)

Switch Modules
ServerNet Nomadic Disk (Release 2) User’s Guide — 523968-001
4 -3
Switch Controller Card
Switch Controller Card
A switch controller card (SCC), installed in slot 0 of a switch module, connects to two
nodes. The SCC has several components:
•
Front Panel of a Switch Controller Card on page 4-3
•
SCC Key Switch on page 4-4
•
SCC Temperature Sensors on page 4-4
•
SCC LEDs on page 4-5
•
Alarm Port on page 4-6
Figure 4-2. Front Panel of a Switch Controller Card
002
Front Panel
Key
Switch
L R
ENV
PON
A
B
RJ-11 Connector
for Remote Alarm
Contacts
RS-232 Host
Connectors
(serial ports)
With TX and RX
Activity LEDs
Alarm
TX
RX
TX
RX