Cabletron Systems CSMIM-T1 Installation Manual page 146

Chapter 7: AT Commands and Registers
%L n Speed Matching
%L0 Provides partial speed matching.
%L1 Enables speed matching.
%L2 Disables speed matching.
%L3 Enables V.8 Automode with fallback to ITU-T Automode.
%L4 Enables V.8 Automode only.
Determines whether the modem uses speed matching to establish
a connection.
Both modems must support the V.8 protocol when using %L4
NOTE
or a connection will not be made.
Table 7-3 and Table 7-4
establish when %L1 or %L3 is set.
Table 7-3 Modem Connections When %L1 or %L3 is Set
Mode Setting on Answer Modem
Mode Set-
ting on
V.22[b]
Originating
Modem
V.34 —
(2400-28.8)
V.FC —
(14.4-28.8)
V.32bis —
(4800-14.4)
V.32 —
(4800-9600)
V.22bis —
(2400)
V.22[a] —
(1200)
V.22[b] V.22[b]
(600)
Bell212A —
(1200)
Bell103 —
(300)
7-20
indicate the connections that the modem can
V.22[a] V.22bis
V.22[a] V.22bis
V.22[a] V.22bis
V.22[a] V.22bis
V.22[a] V.22bis
V.22[a] V.22bis
V.22[a] V.22[a]
— —
V.22[a] V.22[a]
Bell103 Bell103
CSMIM-T1 Hardware Installation Guide
V.32 V.32bis
V.32 V.32bis
V.32 V.32bis
V.32 V.32bis
V.32 V.32
V.22bis V.22bis
V.22[a] V.22[a]
— —
V.22[a] V.22[a]
Bell103 Bell103
V.FC V.34
V.FC V.34
V.FC V.FC
V.32bis V.32bis
V.32 V.32
V.22bis V.22bis
V.22[a] V.22[a]
— —
V.22[a] V.22[a]
Bell103 Bell103