26.4K or below. 26.4Kbps, perhaps with occasional 24K and 28.8K (ITU v.34 protocol) Usually indicates a SLC that has what is called a "universal" interface to the Telco switch. Such an interface adds an extra DA/AD conversion, which prohibits a V.90/92 connection, and also adds at least 3 dB of quantization noise and a small amount of bandwidth restriction, all of which combine to usually disallow 28.8K connections. Note that for Northboro dial up access, Northboro, MA up access dial NorthboroNorthboro up access, dial Massachusetts, Northboro dial up access
dial up access Northboro |
