ADC HiGain H2TU-C-202 User Manual page 12

Front Panel
Front-panel Feature
List number
Status LEDs (four)
DSX-1 test access jacks
Craft (RS-232) port
CLEI and ECI bar code label
Configuration number
Table 2 lists and describes the four H2TU-C-202 front-panel Status LEDs.
Status LED Selection
ALM Solid red when a fuse alarm is present.
Flashes red once per second when a local alarm is present.
Flashes red five times per second when a remote alarm is present.
Off when no alarm is present.
LOOP Solid green while all HDSL2 spans are up.
Flashes green once per second during a loop acquisition on the span.
Flashes green five times per second when a margin or loop attenuation threshold is exceeded.
LBK Solid yellow when the H2TU-C-202 is in loopback, NLOC, or CREM mode.
Flashes yellow five times per second when the system is armed.
Off when the system is not armed or in loopback mode.
DSX Solid green when DSX-1 signal is present and no alarm is present.
Flashes green once per second for BPV, FERR, UAS, or CRC DSX-1 error.
Flashes green five times per second when network side framing or line code provisioning does not match the
DSX-1 signal being received.
Off when DSX-1 signal is not present.
4
Table 1. Front-panel Description
Function
Identifies the list number of the H2TU-C-202.
See Table 2.
Provides line splitting access to the DSX-1 lines from the front panel.
Provides bidirectional communication between the unit and an external terminal to allow
configuration and performance monitoring through the maintenance terminal screens.
Provides the human-readable Common Language Equipment Identifier (CLEI) code number and
the Equipment Catalog Item (ECI) bar code number.
The configuration number identifies the version of the product. New configuration numbers usually
accompany changes in the last two characters of the CLEI code.
The configuration number is found on a small label attached to the front panel. It can also be the
last two numbers (following the x) of the 13-character part number label affixed to the PC board.
For example: 150-1234-01-x01.
Table 2. Status and Alarm LEDs
March 14, 2000
152-202-116-02, Issue 2
H2TU-C-202 List 1F