Version 6.6 67 October 2014
Installation & Operation Manual 12. System Controller (SC) Board
12.2.1 SC Rev.2 RS-232 Serial Port
The SC Rev.2 board provides an RS-232 serial console port that may be used for
connecting to its Command Line Interface (CLI). The port is provided as a 9-pin
female D-type connector (P2). The corresponding cable is a straight through cable
with a 9-pin male D-type connector (P1). The table below describes the connector
pinouts.
Table
12-2: SC Rev.2 Board (Linux OS) RS-232 Connector Pinouts
P2 Pin # Signal Name P2 Pin #
2 RX-(Receive Data) (to CPU) 3
3 TX (Transmit Data) (from CPU) 2
5 GND (Ground) 5
Alternatively an RS-232 console port on the corresponding SA/RTM board (located in
the rear of the chassis, behind the SC board) may be used instead. At any time, only
one serial console port is active (either on the SC board or on the SA/RTM board). To
switch between these serial console ports, use the Front/Rear serial port selector
button (labeled SEL).The Serial Port activity LED (labeled ACT) indicates the serial
console port that is currently in use.
12.2.2 USB Ports
The SC Rev.2 board provides two USB ports that may be used for connecting
standard USB storage devices (e.g. USB Flash Drive or USB CD-ROM) and USB
peripherals (e.g. keyboard or mouse) to the SC board. Use of these ports should be
limited to the software installation (as described in 'Installing Mediant 8000 Software'
on page 129 ) and debugging only.
12.2.3 VGA Port
The SC Rev.2 board provides a VGA port that may be used for connecting an external
monitor to the SC board. Use of the VGA port is not imperative for normal SC board
operation and should be used for debugging purposes only.
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