Nortel 5399 参考指南

Model 5399 RAC Digital Modem Configuration Notes

Parameter 29

28

O2: Optional Baud Rate 2800 - This suppors certain country-specific 

spectral requirements as well as some unusual modems.
0: Disable
1: Enable

O3: Optional Baud Rate 3429 - This supports certain country-specific 

spectral requirements as well as some unusual modems.
0: Disable
1: Enable

Default config_bytes Setting:

Decimal base: 31
Octal base: 037
Hexadecimal base: 0x1F

Options R1 through R5 refer to combinations of baud or symbol rate and 
carrier frequency pairs. You can disable pairs selectively in order to 
troubleshoot certain international modem problems.

R1: 3000/1800 - Enables/disables 3000 baud, low-carrier frequency 

operation.
0: Disable
1: Enable

R2: 3000/2000 - Enables/disables 3000 baud, high-carrier frequency 

operation.
0: Disable
1: Enable

Bit

15 14 13 12 11 10  9  8  7   6

 5

 4

 3

 2

 1

 0

Value

Descr.