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Chapter 5. Configuration Menu
0.1 Nx56/64 Port Configuration Menu Items
There are two major menu items under NxDBU configuration:
Nx/DBU Config and DBU Config. Only the TSU 100e offers the
DBU feature.
Nx56/64 Menu Items
Menu Item
DS0 RATE
TX CLK
CNTRL
DATA
CTS
DCD
5-18
This sets the base rate of the interface. The actual
data rate depends on the number of DS0s
assigned to the Nx port.
Choices: 56K, 64K
Controls the clock used by the TSU 100 to accept
transmit (TX) data from the DTE.
Default is Normal.
If the interface cable is long, causing a phase shift
in the data, the clock can be selected as Invert.
This switches the phase of the clock which
should compensate for a long cable.
Choices: Normal, Invert
Used to control the inverting of the DTE data.
This inversion can be useful when operating with
an HDLC protocol. Often used as a means to
ensure 1s density
Choices: Normal or Invert
If Invert is selected, zero (0) inhibit should
also be selected to prevent an open DTE in-
put from placing zeros on the network.
Used to control characteristics of CTS.
Choices: *Normal, Force On
*See Table 5-2 on page 5-20.
Data Carrier Detect. Indicates to the DTE when a
valid signal is being received at the Network
Interface.
Choices: *Normal, Force On
*See Table 5-2 on page 5-20
TSU 100 User Manual
Description
61202052L1-1
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