SUMMARY: Modem on Netra X1

Thanks go to Steve Bidwell for providing step by step instructions and
Steve Frazer and Celeste Stokely for supplying helpful URLs.

Here are the instruction suggested by Steve Bidwell:

These instructions were for a ZDX Multi Modem,
Solaris Dial-up with external modem ttya at 38400 baud
Unix Configuration
Enter run-level 1 with
init 0
At the OK> prompt type:
OK> setenv auto-boot? false
OK> reset
OK> set-defaults
OK> setenv output-device ttya
OK> setenv input-device ttya
OK> setenv ttya-mode 38400,8,n,1
OK> nvramrc
OK> reset

Connect the device to serial a port and set the handshaking to 38400,8,n,1
Remove port monitor on port a
pmadm -r -p zsmon -s ttya
edit /etc/ttydefs changing instances of 9600 with 38400 to read:

console:38400 hupcl opost onlcr:38400::console
edit /etc/saf/zsmon/_pmtab
substitute instances of 9600 with 38400 to read:
ttya:u:root:reserved:reserved:reserved:/dev/term/a:I::/usr/bin/login
::38400:ldterm,ttcompat:login\::::n:#38400ttya

add a port monitor using a script:

#!/bin/csh
pmadm -a -p zsmon -s ttya -i root -fu -v `ttyadm -V` -m "`ttyadm -Sn -d
/dev/term/a -b -m ldterm,ttcompat -l 38400 -s /usr/bin/login`" -y "38400"
force reading new port monitor settings:
sacadm -x -p zsmon

Modem Configuration
Connect direct to modem from PC using HyperTerminal on COM1
Issue these AT commands into the modem

AT&D0				- Hardware DTR
AT&C0				- Hardware Carrier Detect
ATQ1				- No Echo Commands
AT$SB38400			- Set Baud rate same as ttya port
ATS=1				- Auto answer after 1 ring (default)

Serial Cable Pin-Out

  Netra                 		Sun serial DB25
  RJ-45                 		RS-232 adapter 
  Pin                   		part # 530-2889-01
  --------------        		------------------
  1 (RTS) blue    	---   	5  (CTS)
  2 (DTR) orange  	---   	6  (DSR)
  3 (TXD) black   	---   	3  (RXD)
  4 (GND) red     	---   	7  (GND)      
  5 (GND) green   	---   	7  (GND)
  6 (RXD) yellow  	---   	2  (TXD)
  7 (DSR) brown   	---   	20 (DTR)
  8 (CTS) gray    	---   	4  (RTS)

(Must be used with either a null modem adaptor or an RJ-45 cross over cable)
Sun's serial adaptor can be used without crossover or null modem adaptor.
Sun Part : 530-2889-02 Rev 50


Also, URLs suggested are:
www.kempston.org/solaris/
http://www.stokely.com/unix.serial.port.resources/A-B-Ycablepinout.html#netr
at1105.link





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