
LTPE-UG-1017-01 Issue 1
Front Panels
UTU-731 List 1 and UTU-732 List 1
February 15, 2001
5
Item
Normal Mode Function
Program Mode Function
109 LED and
adjacent red LED
(green and red
LED pair #6)
Red LED indicates that data is
being sent to shelf management
card. Green LED indicates active
RSLD signal on UTU-732.
109 LED and adjacent red LED
indicate on/off state for virtual
DIP switch position 6.
Green and red
LED pair #7
Red LED indicates an active
remote interface loopback.
Green and red LED pair #7
indicate on/off state for virtual
DIP switch position 7.
PWR LED and
adjacent red LED
(green and red
LED pair #8)
Green LED indicates that the
UTU is receiving power.
Adjacent red LED indicates an
active local HDSL loopback.
PWR LED and adjacent red LED
indicate on/off state for virtual
DIP switch position 8.
V.24 (RS-232)
console port
Permits connection of a
maintenance terminal for system
configuration and performance
monitoring through the UTU
console screens. See
Port Configuration Settings” on
page 17
No function in program mode.
Table 2.
Front-Panel Display Indications
Indication
Definition
Description
b
Blocked
The HDSL loop is not available.
C
Complete
Configuration of the LTU or NTU is complete.
d
Data port
The UTU is a serial data port (Nx64k) unit.
E
Error
An error has occurred.
F
Factory defaults
All parameters are set to factory defaults.
G
G.703
The UTU is a G.703 unit.
L
Loopback
The UTU is in a loopback mode.
n
NTU
The UTU is configured as an NTU.
P
Program
The UTU is in the front-panel “program” mode.
t
Test
The UTU is in the power-up self-test mode.
Transmit
Settings are being transmitted from LTU to NTU.
1 through 6,
1 through 7
Virtual DIP switch
number
The number of the virtual DIP switch selected by
the PROG button in the program mode.
Table 1.
UTU-731 and UTU-732 Front-Panel Components (Cont.)