Service manual

C-18 Sun Ultra 2 Series Service Manual • July 1996
4. Boot the host and verify that the transceiver cable problem messages do not
appear. Type either boot net or boot disk and press Return.
C.1.12 Terminal, Modem, Keyboard, and Mouse
Connectivity
Terminal, modem, keyboard, and mouse connectivity is traditional Sunness
connectivity (see
FIGURE C-1). Two serial ports provide synchronous and
asynchronous communication. The synchronous port supports data throughput rates
up to 64 Kbaud. The asynchronous port supports data throughput rates up to 76.8
Kbaud.
Both RS-232 and RS-423 interface standards are supported. RS-232 or RS-423
interface selection is provided through a jumper setting. Default configuration is
RS-423. Two DB25 connectors are provided for the two serial ports.
Keyboard and mouse functionality is provided through a DIN8 connector. Sun
Type-5 keyboards and a new mechanical mouse are supported.
C.1.12.1 Setting Up the Modem
Any modem compatible with U.S. Robotics or CCITT V.24 can be connected to the
Ultra 2 Series serial ports. Modems can be set up to function in one of three ways:
■ Dial out only
■ Dial in only
■ Bidirectional calls
To set up your modem:
1. Become superuser and type admintool.
2. Highlight Browse.
3. Select Serial Port.
4. Select Port A or Port B for your modem connection.
5. Select Edit.
6. Select Expert.
% su
Password:
# admintool