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System Configuration
Table 10. Fields and Options Displayed in UTU-732 Config Interface Menus
Field and Options
Primary Timing Source
INT
EXT
Nx64k
HDSL
Interface Type
Data Rate/# of TSs
Beginning TS
Transmit Clock
CTS
DSR
RLSD
STD (standard)
ON (force ON)
OFF (force OFF)
LL/RL
(a) Primary Timing Source is automatically set to Nx64k in Nx64K AUTO mode.
32
Description
(a)
Selects the clock source for the HDSL transmit direction.
Internal Oscillator
External 2.048 MHz clock (UTU-712 only)
Nx64k Serial Data port receive clock (TT)
Recovered clock from received HDSL data
Nx64k Port
Select the interface standard for serial data port. Choices are:
V.35, V.36, X.21, and RS-530.
Read-only display of HDSL data rate and corresponding
number of time slots (TSs) as set automatically by TT clock
(Nx64K AUTO mode) or by HDSL Payload Rate option in
Config System Settings menu (MANUAL mode). Default
setting is 128kbps/2.
Read-only display of beginning time slot. For UTU-732 the
Beginning TS is always 0 (zero).
Selects the transmit data (SD) clock as External (EXT), Internal
Rising Edge (INT_RISING), or Internal Falling Edge
(INT_FALLING). Transmit clock is always EXT if the Timing
Source is Nx64k.
Specifies one of three methods the LTU/NTU uses to generate
the Clear to Send (CTS), Data Set Ready (DSR), and Received
Line Signal Detect (RLSD) control signals for the V.35/V36
port. The V.35/V.36 port is hardware-configured as DCE. Set
each of these parameters to match the requirements of the
application.
The output control signal follows the ITU standards
Control signal is always ON
Control signal is always OFF
Selects whether the LTU/NTU responds to (enabled) or ignores
(disabled) the Local Loopback (LL) and Remote Loopback
(RL) input control signals. The enabled (ENA) status appears
on the display.
February 15, 2001
LTPE-UG-1017-01 Issue 1
UTU-731 List 1 and UTU-732 List 1
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