Black Box 12-Port 1000BASE-TX L2 Managed PoE Switch User Manual page 123

12-Port 1000BASE-TX L2 Managed PoE Switch with 2 SFP Dual Media Ports
diag
diag
Syntax: diag
Description: Tests whether UART, DRAM, Flash, and EEPROM are normal or not.
Argument: None
Possible value: None
Example:
Giga Switch(diag)# diag
EEPROM Test: OK
UART Test: OK
DRAM Test: OK
Flash Test: OK
loopback
Syntax: Loopback
Description: Starts Internal/External Loopback Test.
Argument: None
Possible value: None
Example:
Giga Switch(diag)# loopback
Internal Loopback Test: OK
External Loopback Test: Port 1 2 3 4 5 6 7 8 Fail
ping
Syntax: ping <ip>
Description: Confirms whether the remote end-station or not the switch itself is available.
Argument: <ip> : ip address or domain name
Possible value: IP address (for example, 192.168.2.65 or tw.yahoo.com)
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