[cisco-nas] AS5350 E1 back to back

[Aaron Leonard]

Putting it all together - if you want to connect two AS5350s
back to back via an E1 port, then:

Layer 1: cable together with an E1 crossover cable (per the previous
post).  Configure the clocking with the dial-tdm-clock command
(per the CCO articl.e)

Layer 2: if the intended application is leased line style, then
use the "channel-group" command under the E1 controller configuration,
then configure the resulting serial interfaces as desired.

Layer 2: if the intended application is ISDN pri, then use the
"pri-group" command under the E1 controller configuration.  Under
the resulting serial x/y:15 D channel interfaces, configure both
sides as primary-net5.  One side needs to be network (isdn
protocol-emulate network) and the other user.

Aaron

---

> Rivo,

> If I remember correctly, you'll have to set the clock via a global command, 'dial-tdm-clock' or 'tdm-clock.' Here's a good doc on access server clocking:

> http://cisco.com/en/US/tech/tk713/tk628/technologies_tech_note09186a008014f8a6.shtml

> Eric

> ----- Original Message -----
> From: Rivo Tahina RAZAFINDRATSIFA <r.tahina at wanadoo.mg>
> Date: Friday, July 9, 2004 2:30 am
> Subject: [cisco-nas] AS5350 E1 back to back

> > Hi all,
> >
> > I tried to connect 2 AS5350 back to back via E1 port (hdlc)
> >
> > When I do a sh serial 3/0:0, it shows
> > Serial3/0:0 is down, line protocol is down
> > is it a clock issue?
> >
> > clock configuration is available with AS5300 E1 controller, but
> > not for the
> > AS5350.
> >
> > Any idea?
> >
> > Kind regards.
> >
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> >

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