150-319-205-05, Issue 5
Product Description
ELU-319 List 5E and List 6E
January 26, 2000
7
Status LED
Table 5
describes the functions of the Status LED on the front panel.
Table 4.
Front Panel Components and Labels
Front Panel Feature
Function
Front panel display
Displays four-character status, provisioning, and alarm system messages.
System option buttons (MODE
and SEL)
Permits the user options to be monitored and modified without the need of a maintenance
terminal. Used to initiate all HiGain loopbacks and to display G.703 line parameters and line unit
identity.
Status LED
See
Table 5
for status descriptions.
G.703 access jacks
LINE
Provides splitting jack access to (XMT) and from (RCV), the HDSL span at the G.703 interface.
Breaks the XMT and RCV paths to permit test signal insertion and retrieval.
BRIDGE
Provides non-intrusive bridging jack access to (XMT) and from (RCV) the HDSL span at the DSX-1
interface. Allows the two E1 payloads to be monitored.
Craft (RS-232) port
Provides bidirectional communication between the unit and an external terminal to allow
configuration and performance monitoring through the Maintenance Terminal screens.
Configuration number
Contains either a five-digit or six-digit warranty configuration number or a standalone two or
three-digit configuration number as follows:
•
Digit 1 = Last digit of shipment year
•
Digits: 2 and 3 = Shipment month
•
Digits: 4 and 5 = Configuration number
The configuration number can also be found on a small bar label that also contains the Julian date
code and part number. This gummed label may be attached to the PC board or to the front panel.
Table 5.
Status LED Descriptions
LED Status
Description
Green
Normal operation
Flashing green
HDSL acquisition
Red
Fuse Alarm
Flashing red
System alarm
Yellow
Self Test is in process or an ELU-319 List 5E and List 6E Customer
Remote Loopback (CREM) or a Network Local Loopback (NLOC) is in
effect.
