Справочник Пользователя для 3com SuperStack II

3 Set the baud rate (56 or 64 kbps) for the DS0 channel using:

SETDefault !<path> -PATH T1DSoChnlBaud = <FT156K|FT164K>

4 Set the path clock using:

SETDefault !<path> clock = [Internal | External]

5 Re-enable the path using:

SETDefault !<path> -PATH CONTrol = Enabled

The following optional settings are also available:

■

T1FrameMode 

■

Superfame (SF)

■

Extended Superframe (ESF)

■

T1LineCoding

■

Binary with 8 zero substitution (B8ZS)

■

Alternate Mark Inversion (AMI)

■

Alternate Mark Inversion with bit 7 zero code substitution 
(AMIB7ZCS)

This section describes how to configure the serial ports with modems, 
CSU/DSUs, or ISDN TAs attached. 

Before beginning this procedure, complete the following tasks:

■

Cable the serial port and connect it to the telephone network.

■

Log on to the system with Network Manager privilege.

The serial port automatically detects the following settings:

■

Line type — dial-up or leased

■

Clock — external

■

Connector type — RS-232, V.35, X.21, RS-449, or RS-530

If you are attaching an ISDN TA, you must configure the TA with the 
SPIDs, switch type, local telephone numbers, and Multilink PPP options 

LH4 = 22.5 db

SH4 = 399 - 533 feet
SH5 = 533 - 655 feet