Re: A Dummy question about PM3s
Curt Eckhart (curt@genesis.shadetree.com)
Fri, 11 Apr 1997 11:34:45 -0400
>X-Sender: marty@server
>X-Mailer: Windows Eudora Pro Version 3.0 (32)
>Date: Fri, 11 Apr 1997 07:36:11 -0700
>From: Marty Likier <marty@livingston.com>
>Mime-Version: 1.0
>Content-Type: text/plain; charset="us-ascii"
>
>At 09:27 PM 4/10/97 -0400, Curt Eckhart wrote:
>>I haven't been tuned into the list for about two months now, and I
>>need to get back up to speed. Could someone succinctly explain how
>>may dialup ports of what type can be supported in a "filled-up" PM3
>>and what kind (and how many) of PRI/T1 lines it takes to support it ?
>
>There are 2 models. PM3-1T or 2T. You guessed it. The 1T can handle one
>T1/CT1/PRI the 2T accomodates two T1/CT1/PRIs. In either case the rear
>panel has 6 slots for the digital modems. They come in two flavors, 8 or 10
>DSPs (modems) per card. So 6 times 10 gives you a mximum of 60 modems per
>chassis. Dial-up support includes analog modem 2400-33.6Kbps, ISDN 64K,
>ISDN 56K, ISDN 56K data-over-voice.
What good are 60 modems when there's only 2 PRI's coming in? How can
more than 47 calls be handled ? Tell me what I'm missing here.
<Rest of response truncated for brevity sake>
--
Curt Eckhart
Shade Tree Communications, Inc.
curt@shadetree.com