Models 2603, 2621, and 2635 Getting Started Guide
Status LEDs
The LEDs indicate the status of the Power, the WAN, Sync Serial port, and the Ethernet connection.
All LED indicators will present the same looking profile (e.g., clear) when unlit due to being single color, water
clear, high efficiency LEDs.
Power
Link
T1/E1
TD
RD
TD
Sync Serial
RD
CTS
DTR
Link
Ethernet
100M
Tx
Rx
Status LEDs
Table 6. Status LED descriptions
Green
ON indicates that power is applied. Off indi-
cates that no power is applied.
Green
Solid green: connected
Off: disconnected
Green
Green: indicates a binary '0' condition
off : indicates a binary '1'or idle condition
Green
Green: indicates a binary '0'condition
off: indicates a binary '1' or idle condition
Green
Green: indicates a binary '0' condition
off : indicates a binary '1'or idle condition
Green
Green: indicates a binary '0'condition
off: indicates a binary '1' or idle condition
Green
ON: indicates the CTS signal from the router is
active, binary '1'
off: indicates CTS is binary '0'
Green
ON: indicates the DTR signal from the DTE
device attached to the serial port is active,
binary '1'
Green
ON: indicates an active 10/100 BaseT connec-
tion
Green
ON: connected to a 100BaseT LAN
Off: connected to a 10BaseT LAN
Green
Flashing: when transmitting data from the router
to the Ethernet
Green
Flashing: when transmitting data from the Ether-
net to the router.
12 • System Status
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