Chapter 10
System Board and Component Replacement
10-9
FIGURE 10-8
DC Power Connection
6. Use a pair of long-nose pliers to set the system board serial port jumpers J2104
and J2105.
See
TABLE 10-1
and
FIGURE 10-9
.
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.
TABLE 10-1
Serial Port Jumper Settings
Jumper
Pins 1 + 2 Select
Pins 2 + 3 Select
Default Shunt
on Pins
J2104
RS-232
RS-423
2 + 3
J2105
RS-232
RS-423
2 + 3
J2603
J2601
System board
Summary of Contents for Ultra 1 Series
Page 8: ...viii Ultra 1 Creator Series Service Manual August 1996...
Page 21: ...Preface xxi Email smcc docs sun com Fax SMCC Document Feedback 1 415 786 6443...
Page 22: ...xxii Ultra 1 Creator Series Service Manual August 1996...
Page 34: ...2 4 Ultra 1 Creator Series Service Manual August 1996...
Page 70: ...6 4 Ultra 1 Creator Series Service Manual August 1996...
Page 110: ...8 36 Ultra 1 Creator Series Service Manual August 1996...
Page 126: ...9 16 Ultra 1 Creator Series Service Manual August 1996...
Page 158: ...10 32 Ultra 1 Creator Series Service Manual August 1996...
Page 164: ...A 4 Ultra 1 Creator Series Service Manual August 1996...
Page 186: ...B 22 Ultra 1 Creator Series Service Manual August 1996...
Page 208: ...C 22 Ultra 1 Creator Series Service Manual August 1996...
Page 212: ...Glossary 4 Ultra 1 Creator Series Service Manual August 1996...