Try reading the specs on V.35 sometime ... you know, what Cisco uses
for T1 router <--> csu connections.
The spec is for 48 Kbps. Pretty lame for Cisco to use it a 1.5Mbps.
Of course, everyone else uses it too. Who cares? It works. So does
RS-232 for at least 115.2 Kbps.
If it works, use it.
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