
If the WAN LNK LED turns off after the Cisco 627 has been transferring data, the Cisco 627 or the Cisco
6100/6200 has the SESSION timeout set. If the timeout is set, the Cisco 627 WAN LNK LED turns off after
that time period whether or not it is idle.
Cisco 633
xDSL Port Pinouts
On the Cisco 633 an RJ−11 connector provides an xDSL connection to external media through a standard
RJ−11 6−pin modular jack.
Pin
Description
3
XDSL_Tip
4
XDSL_Ring
Note: Pins 1, 2, 5, and 6 are not used.
LED Descriptions
Description
Power
Green
On when power is present. Off when
power is not present
Alarm
Red On when the unit is not fully functional
SERLNK
Green
On when the serial port has valid link. Off
otherwise
SERACT
Yellow
Blinks when the serial port receives or
transmits data
WAN
LNK
Green
On when the xDSL port has a valid link.
Blinks during training. Off otherwise
WAN
ACT
Yellow
Blinks when the xDSL port receives or
transmits data
Cisco 673
On the Cisco 673 the symmetric digital subscriber line (SDSL) port uses an RJ−11 connector.
SDSL Port Pinouts
Pin
Signal
3
Ring
4
Tip
Note: Pins 1, 2, 5, and 6 are not used.
Cisco − DSL Modem/Router Interface Pinouts and Status LED Descriptions
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