Serial Port; Figure B-11 Isdn Nt Connector; Figure B-12 Serial Port Connector; Table B-11 Isdn Te Connector Pin Assignments - Sun Microsystems SPARCstation Voyager Service Manual

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FIGURE B-11
TABLE B-11
Pin
1
2
3
4

Serial Port

This serial port is located on the I/O board and is designated as J0403.
13
25
FIGURE B-12
TABLE B-12
Pin Name I/O
1
2 sp_txd O
3 sp_rxd I
4 sp_rts O
5 sp_cts I
6 sp_dsr I
7 GND O
8 sp_dcd I
NT
RJ45
ISDN NT Connector
ISDN TE Connector Pin Assignments
Name
isdn_nt_ps3_p
isdn_nt_ps3_n
isdn_nt_1
isdn_nt_2
Serial Port Connector
Serial Port Connector Pin Assignments
Description
Transmit Data
Receive Data
Request to Send
Clear to Send
Data Set Ready
Ground
Data Carrier Detect
I/O Pin Name
I/O 5 isdn_nt_3
I/O 6 isdn_nt_4
I/O 7 isdn_nt_ps2_n
I/O 8 isdn_nt_ps2_p
1
14
Pin Name
14
15 sp_trxc
16
17 sp_rtxc
18
19
20 sp_dtr
21
I/O
I/O
I/O
I/O
I/O
I/O Description
I Transmit Signal Clock
I Receive Signal Clock
O Data Terminal Ready
Appendix B Signal Descriptions 135