Toshiba JTNI6 Series Instruction Manual page 20

Chapter 2 Names of Parts and Their Functions
EN-LINK
(green)
EN-ACT
(yellow)
TN-A LINK
(green)
TN-A ACT
(green)
TN-B LINK
(green)
TN-B ACT
(green)
(2) External connectors
• TN-A, TN-B
• EN
(Note1) * To connect an EN to an Ethernet card, use the cross cable 20 cm long
(Note2) * Ethernet cards to be purchased by the customer.
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6F8C1450
Table 2-1 Status Indicating LEDs
Name
Ethernet port linkage
ON: Connected normally to Ethernet card of PC
OFF: Not connected to Ethernet card of PC
Ethernet port frame transmission/reception
ON: Ethernet frame being transmitted/received
OFF: No Ethernet transmission
TC-net 100 line A linkage
ON: Linked normally to hub
OFF: Not connected to hub
TC-net 100 line A transmission/reception
ON: frame being transmitted/received
OFF: No transmission
TC-net 100 line B linkage
ON: Linked normally to hub
OFF: Not connected to hub
TC-net 100 line B transmission/reception
ON: frame being transmitted/received
OFF: No transmission
TC-net 100 interface connectors. Use the MT-RJ connector.
Ethernet port connector. Use the RJ-45 connector.
(supplied with the card as an accessory).
Description
Normal
Indication
ON
Blink or ON
ON
ON
ON
ON