Nortel 4000 发行公告

300115-B Rev. A

    Remote Access Software Version 5.3 Release Notes

22

Default config_bytes Setting:

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

Pre-emphasis Filter - Pre-emphasis is an equalization method in which

the transmission signal spectrum compensates for amplitude
distortion. During channel probing, the modem selects one of ten
possible filters. When this option is set to Negotiable, the modem
determines which pre-emphasis filter to use based on channel probing.
0 - 1110: Reserved
1111: Negotiable

PR: Channel Probing - This option specifies whether or not the modem

probes the phone line/channel to determine its characteristics and
adjusts itself accordingly when establishing a V.34 connection.
0: Disable
1: Enable

AB: Asymmetric Baud Rates - This is the ability of the modem to

operate at different baud rates for transmission and reception. It allows
the modem to take advantage of differing line conditions in either
direction.
0: Disable
1: Enable

0: Disable
1: Enable

Bit

15 14 13 12 11 10  9  8

 7

 6

 5

 4

 3  2

 1

 0

Value

Descr.