Digital Subscriber Line Console to SpeedStream router?

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Subject Author Date
Console to SpeedStream router? tech-guy 03-15-06
Posted by tech-guy on March 15, 2006, 5:48 pm
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I'm trying to get into my SpeedStream 5851 SDSL modem using a serial
cable. I connected the DB9 to RJ45 adapter (which came with the DSL
modem) to my 'COM1' port on the back of my Win PC. Then I connected an
ethernet patch cable from the RJ-45 side of the adapter to the RJ-45
'console' port on the back of my SpeedStream.

When I fire up HyperTerminal and connect through COM1, I get no prompt
to login to the router. I've tried the following HyperTerminal
settings:

9600/8/none/1/none
4800/8/none/1/none
2400/8/none/1/none

9600/8/none/1/hardware
2400/8/none/1/hardware

Still no login prompt. Does anyone know what I'm doing wrong? Should a
regular ethernet patch cable (non-crossover) work, or do I need a
special one?

Thanks!


Posted by Gene S. Berkowitz on March 15, 2006, 8:55 pm
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sf.techguy@gmail.com says...
> I'm trying to get into my SpeedStream 5851 SDSL modem using a serial
> cable. I connected the DB9 to RJ45 adapter (which came with the DSL
> modem) to my 'COM1' port on the back of my Win PC. Then I connected an
> ethernet patch cable from the RJ-45 side of the adapter to the RJ-45
> 'console' port on the back of my SpeedStream.
>
> When I fire up HyperTerminal and connect through COM1, I get no prompt
> to login to the router. I've tried the following HyperTerminal
> settings:
>
> 9600/8/none/1/none
> 4800/8/none/1/none
> 2400/8/none/1/none
>
> 9600/8/none/1/hardware
> 2400/8/none/1/hardware
>
> Still no login prompt. Does anyone know what I'm doing wrong? Should a
> regular ethernet patch cable (non-crossover) work, or do I need a
> special one?
>
> Thanks!

You most likely need a crossover cable. Did it come with a silver satin
cable?

--Gene

Posted by tech-guy on March 17, 2006, 12:25 pm
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Tried crossover and straight through cables (router ug says regular
patch should work).

Anyone know what may be wrong?


Posted by msg on March 17, 2006, 5:27 pm
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tech-guy wrote:

> Tried crossover and straight through cables (router ug says regular
> patch should work).
>
> Anyone know what may be wrong?
>

Here is the wiring for a console port RJ-45 to PC DTE DB-9 cable:


RJ-45 Console DB-9 PC Serial
port port
------------- --------------
1 td ---------------- 2 rd
4 rd ---------------- 3 td
5 sgnd -------------- 5 sgnd
2 cts --------------- 7 rts
6 rts --------------- 8 cts
__ 4 dtr
|__ 6 dsr
|__ 9 ri


Make sure your cable complies with this. Use an ohmmeter to
check the wiring and then use a terminal emulation program
(or an asynch terminal) set to 9600 baud, no parity, 1 stop
bit to talk to the router.

Michael Grigoni
Cybertheque Museum

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