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350-819-300-01, Revision 01
System Configuration
ELU-819 List 1
January 10, 2000
23
LTU (ELU-819)
AND
NTU (UTU-801, 802,
OR
804) I
NTERFACE
S
ETTINGS
The settings available in the Config LTU and Config NTU Interface menus are
listed in
. The settings in boldface type are factory default settings.
Table 5.
Settings in Config LTU and NTU Interface Menus
Field
Description
G.703 Port
Primary Timing
Source DS1:
No selection available.
G.703
Clock extracted from G.703 data stream.
CRC4 Mode
N/A
CAS Mode
Select the multiframe alignment mode for the G.703 interface.
INSERT
Inserts a multiframe alignment code into time slot 16 of frame 0
and 11011101 into time slot 16 of frames 1 through 15.
PASSTHRU
Time slot 16 is passed through unchanged at the G.703 port.
IDLE
Inserts the user-selected idle code into time slot 16 at the G.703
port.
Idle Code
Select a transmit idle code for insertion into unused time slots.
00 to FF
Idle code (from 00 to FF) transmits unused time slots from G.703
port.
Data Rate/# of TSs
(a)
Specify the G.703 transmit data rate as the number of kbps or the
number of Nx64K time slots.
64 to 2048 (kbps)
or
0 to 32 (time slots)
Enter the data rate from 64 to 2048 kbps (for example, 64, 256,
768). Factory default setting is 2048 kbps.
Enter the number of Nx64K time slots up to 31 (for example, 1, 12,
31). Factory default setting is 32.
Beginning TS
Enter the number of the beginning time slot for the transmitted
E1 data. Options are time slots 1 to 31 in STRUCT application mode
and time slot 0 in UNSTRUCT mode. The factory default setting is
0. The bit rate and starting timeslot of both ports must be
compatible or the selection will not be allowed.