Appendix A: 7705 SAR-M Connectors and LEDs
7705 SAR-M Chassis Installation Guide 147
3 Ethernet Ports SFP
connectors
Four Ethernet ports have receptacles for SFP modules. The SFP port
number (1 to 4) is displayed above each port. The associated Link and
Act(ivity) LEDs are located to the left of each port.
Link LED Green: Indicates that a valid communication link has been established
Unlit: Indicates that the link is disabled or shut down, or that the SFP
optics are installed but no link is present, or that there is no SFP installed
Act LED Amber (blinking): Indicates that the port is active (receiving or
transmitting)
Unlit: Indicates that there is no port activity
RJ-45
connectors
Three Ethernet ports have an RJ-45 connector for attaching user devices.
The RJ-45 port number (5, 6, 7) is displayed above each port, between
the Link and the Act(ivity) labels. The associated Link LED is located at
the bottom-left corner of the port, and the associated Act(ivity) LED is
located at the bottom-right corner of the port.
Link LED Green: Indicates that the link is up
Unlit: Indicates that there is no link or that the link is operationally down,
disabled, or shut down
Act LED Amber (blinking): Indicates that the port is active (receiving or
transmitting)
Unlit: Indicates that the port is down or disabled
4Product Name— White: Indicates that power to the router is on and the system is receiving
the DC power feed from source A or source B, and the power rails are at
their proper levels
Unlit: Indicates that there is no power to the router, or the power is faulty
5T1/E1 Ports
(only for the
chassis variant
with T1/E1
ports)
RJ-45
connectors
Each T1/E1 port has an RJ-45 connector for attaching user devices.
Note: the yellow LED in the top right corner of the connector is not used
and is always off.
Stat LED Green: Indicates that a valid communication link has been established
Amber (blinking): Indicates that a loopback is in progress
Amber (solid): Indicates that there is no link present (administratively up
but there is an alarm)
Unlit: Indicates that the port is disabled or shut down
Table 30: 7705 SAR-M Connector and LED Descriptions (Continued)
Key Label/Part Sub-
category
Description