Sun Microsystems SPARC classic - FIGURE B-4 ISDN Network Termination Connector; TABLE B-4 Pinout for ISDN Network Termination Connector

B-4 SPARCclassic/SPARCclassic X/SPARCstation LX Service Manual • November 1993
B.4 ISDN Network Termination Connector
FIGURE B-4 ISDN Network Termination Connector
Note – The +5 Volt line is fuse-protected.
TABLE B-4 Pinout for ISDN Network Termination Connector
Pin Description Pin Description
1 PS1 5 Transmit Data -
2 PS1- 6 Receive Data -
3 Receive Data + 7 PS2-
4 Transmit Data + 8 PS2
18