CARRIER
Green
Indicates line synchronization or
connection on the DSU/CSU port.
Cisco 1603
OK (next to ISDN
BRIØ S/T port)
Green
A physical connection has been
established with the ISDN central
office switch.
Cisco 1604
NT1
Green
A physical connection has been
established from the router
internal NT1 to the ISDN central
office switch.
OK (next to ISDN
PHONE port)
Green
The device connected to the router
ISDN S/T port has established a
physical connection with the
ISDN central office switch.
Cisco 1605
LNK (next to
ETHERNET1
10BASET)
Green
Indicates 10BaseT link integrity
for the Ethernet 1 port.
OK (next to WIC
slot)
Green
The WAN interface card is
correctly installed in the router.
Related Information
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Updated: Jul 07, 2005
Document ID: 46783
