Re: X2 - Courier Imodem -> PM2E
Old Man (oldman@mitec.net)
Wed, 26 Feb 1997 16:37:26 -0600 (CST)
On Wed, 26 Feb 1997, Brian Elfert wrote:
> On Wed, 26 Feb 1997, Old Man wrote:
> > Does anyone know if it is possible to serve as an X2 host by connecting a
> > BRI line to a Courier I-modem, which is in turn connected to a PM2E? Are
> > there any digital-analog conversions which would disable the X2? To tell
> > the truth, we would rather just offer K56Plus with the PM3, however there
> > being a large number of users who want the X2 protocol, there doesn't seem
> > to be any option but to do both. I am also wondering, would the Courier
> > I-modem be able to host two concurrent X2 sessions (one on each B-channel
> > of the BRI line)?
> Yes, you will be able to so this.
> Should you? No, because the Courier ISDN can only accept one incoming
> call because it has just one serial port.
> You're wasting the second BRI channel in this arrangement.
> Better to get an MP/8I or MP/16I. These units have one serial port per
> BRI channel. The MP/8I takes in 4 BRI lines, and the MP/16I takes in 8
> BRI lines.
You're right, the second BRI channel is wasted. From what I have seen of
prices so far, though, seems like the per port cost of buying individual
Courier I-modems is cheaper than the MP's.
Lee Kuo