Figure 10-8 Dc Power Connection; Table 10-1 Serial Port Jumper Settings - Sun Microsystems Ultra 1 Creator Series Service Manual

DC Power Connection
FIGURE 10-8
6. Use a pair of long-nose pliers to set the system board serial port jumpers J2104
and J2105.
See and
TABLE 10-1
Serial Port Jumper Settings
TABLE 10-1
Jumper
J2104
J2105
Note – Jumpers J2104 and J2105 can be set to either RS-423 or RS-232 serial
interface. The jumpers are preset for RS-423. RS-232 is required for digital
telecommunication within the European Community.
J2603
.
FIGURE 10-9
Pins 1 + 2 Select
RS-232
RS-232
Chapter 10
System board
Pins 2 + 3 Select
RS-423
RS-423
System Board and Component Replacement
J2601
Default Shunt
on Pins
2 + 3
2 + 3
10-9