Does an 11C have communications speed limitations??? - PBX Info :: Your Free PBX, PABX and Telephone Information Resource

Rachelle · 07-07-2004, 10:03 AM

I have an analog line built off of an 11C. This analog line goes to an MCK Switch Module. When the Remote Module calls in to this analog line it will only try to connect at 9600 or slower. This is too slow for the MCK. The remote site is set to auto connect. When this same remote unit calls MCK's on 61Cs and 81Cs they connect at 19.2K.

What is the differenct between the connection speed of an 11C vs. 81C/61C???

Is there something that I can do at the 11C site to kick up the speed of this analog line?

**Chas2002** · 07-07-2004, 11:30 AM

Rach - Are you speaking of Message Cancellation?

tim_abney · 07-07-2004, 11:39 AM

If you are talking about modem access check the dip switches on the face of SSC card on the option 11

Rachelle · 07-07-2004, 11:39 AM

No, I don't think that I am, anyway. For some reason this line will not allow a connection any faster than 9600. This is an analog line that is plugged into the modem side of a remote extender. The line is clear of noise or static. The session of all locations is the same but, this site tosses a RATE TOO SLOW 9600 error everytime. The other sites all connect at 19.2.

So, I am looking for the system differences between this 11C and the 81Cs and 61Cs that work just fine.

rlc

Rachelle · 07-07-2004, 11:41 AM

What would I be looking for on the SSC DIPs? What impact does this have on other lines that are built on the PBX? Where would I find more details/procedures on how to adjust this card?

tim_abney · 07-07-2004, 11:42 AM

How is the MCK connected to the option 11, T1? Check out the dip switches I mentioned, I'll beat they are set to 9600.

***gei_spot*** · 07-07-2004, 11:44 AM

If I remember correctly the older analog card has limited speed. I have to look it up for the new ones. I think 9600 tops out

Rachelle · 07-07-2004, 11:49 AM

Tim: I have an SSC card and the only docs that I have show 3 dips. Those are for the SDI ports only.

Gei: Wow! Now that would really bite. Any idea what the vintage of the good/bad cards would be? That may be the issue. I haven't looked at the card numbers. I will give a call and get that right now.

Good thinking guys..... keep it up.

rlc

07-07-2004, 12:12 PM

Hi!
What happend if You try with a laptop PC or different PC calling to another PC at higer speed!!! Or connecting to internet with another modem?? I hope this help.

RR.

**Chas2002** · 07-07-2004, 12:13 PM

Rach - It's been my experience when dealing with Comm devices that the answersing device controls the Baud Rate via protocol (handshaking).

I found this:

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