How to set the transmit level in the MT5600BA/BL

The MT5600BA/BL TX level for dialup.

S register 91 controls the transmit level for dial-up DATA mode:

S91 can be set in value from 8 to 20 for a range of -8 to -20dBm. The default is 12 for a -12 dBm level.


S register 92 controls the transmit level for dial-up FAX mode:

S92 can be set in value from 8 to 20 for a range of -8 to -20dBm. The default is 12 for a -12 dBm level.

Note: Multi-Tech provides this command for test purposes only and that changes to this S-register may violate regulatory approvals. This applies to dial-up over the PSTN, but does not apply to leased-line applications.


The MT5600BA/BL TX level for leased-line.

S register 93 controls the transmit level for leased-line mode:

In 2 wire and 4 wire leased line mode S93 can be set in value from 3 to 35 for a range of -3 to -35. The default is 11 for a -11db level.