Loopbacks/ diagnostics, Loopbacks/ diagnostics -11, Figure 3-7 – Verilink HDM 2180 (880-503048-001) Product Manual User Manual

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Standalone HDM 2180 Management

Verilink HDM 2180 User Manual

3-11

Loopbacks/

Diagnostics

By returning transmitted signals to their source for comparison,
loopbacks allow you to check the accuracy of the data
transmission. To access these diagnostic options, select L on the
Port Diagnostics Menu to display the Port Loopback Diagnostics
Menu.

Figure 3-7 Port Loopback Diagnostics Menu

Display Diagnostics Loopbacks History—Log number, date reported, time reported,

description.

HDM > n

-- LOOPBACK HISTORY BUFFER ------

alarmlog num=1; 1-29-1997;7:22:44;Enable User Payload Loopback

alarmlog num=2; 1-29-1997;7:23:8;Disable User Payload Loopback

alarmlog num=3; 1-29-1997;7:23:56;Disable FAREND Payload Loopback

alarmlog num=4; 1-29-1997;7:24:33;Enable User Equipment Loopback

Hit Return to display diag loopback buffer again or X to exit

Display Diagnostics Alarms History—Log number, date reported, time reported,

description.

HDM > d

--- TRANSMIT ALARM BUFFER ------

alarmlog num=1; 1-29-1997;7:8:11;Enable AIS Alarm

alarmlog num=2; 1-29-1997;7:8:11;Enable DS3 FEAC Loss of Signal Alarm

alarmlog num=3; 1-29-1997;7:23:56;Enable Transmit Line Loopback Deact

alarmlog num=4; 1-29-1997;7:23:56;Enable Transmit DS3 FEAC Line code

Hit Return to display alarm buffer again or X to exit

Real-Time Display HSSI Status—Displays current state of the HSSI Leads.

HDM > h

--- HSSI STATUS ------

( type X to exit )

Test: off, DCE: on, DTE: off, LPBK A: off, LPBK B: off,

exit menu—Returns you to the

Main Menu

, Figure

Figure 3-1

Command Description

HDM > l

HDM > l
-- PORT LOOPBACK DIAGNOSTICS MENU ---

-- PORT LOOPBACK DIAGNOSTICS MENU ---

-- PORT LOOPBACK DIAGNOSTICS MENU ---
D) DS3 Port Loopback

D) DS3 Port Loopback

D) DS3 Port Loopback
H) HSSI Port Loopback

H) HSSI Port Loopback

H) HSSI Port Loopback
X) exit menu

X) exit menu

X) exit menu
HDM >

HDM >