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56k ROCKWELL BASED MODEMS

Rockwell is yet another modem chipset manufacturer. Recently they were purchased by Conexant. So as newer modems come out, they will probably be referred to as Conexant chipset modems. Many different companies use the Rockwell chipset. These commands are usually used by ISA, PCMCIA or External modems. PCI Rockwell modems usually are using the Rockwell HCF chipset, which has different commands. Zoom, Supra and Global Village all use the rockwell chipset in some of their modems.

Rockwell 56k
AT Language/Maxspeed
AT +MS=11 v.34/33.6k
  +MS=12,,,32000 v.90/32k
  +MS=12,,,33333 v.90/33.333k
  +MS=12,,,34666 v.90/34.666k
  +MS=12,,,36000 v.90/36k
+MS=12,,,37333 v.90/37.333k
+MS=12,,,38666 v.90/38.666k
+MS=12,,,40000 v.90/40k
+MS=12,,,41333 v.90/41.333k
+MS=12,,,42666 v.90/42.666k
+MS=12,,,44000 v.90/44k
+MS=12,,,45333 v.90/45.333k
+MS=12,,,46666 v.90/46.666k
+MS=12,,,48000 v.90/48k
+MS=12,,,49333 v.90/49.333k
+MS=12,,,50666 v.90/50.666k
+MS=12,,,52000 v.90/52k
Descriptions of Commands:
  • AT: Modem Attention command. Not used through the Windows 95/98/NT Modems Control Panel
  • Language/Maxspeed: This setting allows you to force the modem to use a particular language to connect, as well as the ability to select a maximum speed for that connection. The v.90 language in many modems is known to be too aggressive, requiring that you use a command to force the modem to connect a little slower to stabilize the connection and improve its reliability. If you notice frequent disconnections, or have problems getting connected, set a maximum speed using this command.