Verilink HDM 2180 (880-503048-001) Product Manual - Manual (Page 35)

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
N 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
D 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
H 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,
X exit menu—Returns you to the Main Menu , Figure Figure 3-1 .
Command Description
HDM > l HDM > l HDM > l HDM > l
-- PORT LOOPBACK DIAGNOSTICS MENU ---
-- PORT LOOPBACK DIAGNOSTICS MENU --- -- PORT LOOPBACK DIAGNOSTICS MENU --- -- PORT LOOPBACK DIAGNOSTICS MENU ---
D) DS3 Port Loopback
D) DS3 Port Loopback D) DS3 Port Loopback D) DS3 Port Loopback
H) HSSI Port Loopback
H) HSSI Port Loopback H) HSSI Port Loopback H) HSSI Port Loopback
X) exit menu
X) exit menu X) exit menu X) exit menu
HDM >
HDM > HDM > HDM >