11-34 SPARCclassic/SPARCclassic X/SPARCstation LX Service Manual • November 1993
The SPARCstation LX system board is delivered with the jumpers set for termination
on the system board. For more information about setting these jumpers, the Sun
ISDN-BRI/SBI Hardware Configuration Guide.
TABLE 11-3 SPARCstation LX ISDN Jumper Settings
Address Jumper Pins Setting Description
J1801 1, 2 Jumpered ISDN termination is on the system
board (default).
2, 3 Jumpered ISDN termination is assumed set
at the ISDN jack in the wall.
1, 2, 3 Not jumpered ISDN termination is assumed set
at the ISDN jack in the wall.
J1802 1, 2 Jumpered ISDN termination is on the system
board (default).
2, 3 Jumpered ISDN termination is assumed set
at the ISDN jack in the wall.
1, 2, 3 Not jumpered ISDN termination is assumed set
at the ISDN jack in the wall.
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