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Nx/DBU (0.1) Menu Items
If I
NVERT
open DTE input from placing zeros on the network.
61202156L2-1
The C
menus for options ports are described in sep-
ONFIG
arate sections of the manual supplied with the option
card.
The Nx/DBU port has two main menus:
N
56/64
X
CONFIG
operation.
Nx56/64 Config
Under N
56/64
X
DS0 RATE
This sets the base DS0 rate of the interface. The actual
data rate depends on the number of DS0s assigned to
the Nx port.
Choices: 56K
TX CLK CNTRL
Controls the clock used by the TDU 120e to accept
transmit (TX) data from the DTE. The default is
N
. If the interface cable is long, causing a
ORMAL
phase shift in the data, the clock can be selected as
I
. This switches the phase of the clock which
NVERT
should compensate for a long cable.
Choices: N
ORMAL
DATA
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: N
ORMAL
is selected, zero (0) inhibit should also be selected to prevent an
TDU 120e User Manual
Chapter 5. Configuration Menu
-- Nx operation and DBU
, the menu items are:
CONFIG
64K
OR
, I
NVERT
or I
NVERT
-- DBU
CONFIG
5-23
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