US Robotics 002605-00 Manual page 173

Register Default
S39-S40 Reserved
S41 0
S42 0
168
P III: S
ART ECTION
Function
Bit mapped register setup. To set registers, see instructions for S13.
Bit Value Result
0 1 Distinctive ring enabled.
Reserved
D: T Q
ECHNICAL UICK
R
EFERENCE