7705 SAR-A Connectors and LEDs
122 7705 SAR-A Chassis Installation Guide
6 Mgmt Port Connector The Ethernet Management port has an RJ-45 connector and is used for
the initial system startup as well as system configuration and monitoring.
It supports both half-duplex and full-duplex modes and 10M/100M or
autonegotiated communication.
Refer to Management Port for pinout assignments.
Lnk LED The Lnk LED is located at the top left corner of the port
Amber (blinking): Indicates that the Ethernet link has Rx/Tx activity
Unlit: Indicates that the Ethernet link has no activity, or is down or
disabled
Act LED Act LED is located at the top right corner of the port.
Green: Indicates that there is a valid communications link
Unlit: Indicates that there is no communications link, or that the link is
operationally down, disabled, or shut down
7 ToD Out The ToD port uses an RJ-45 connector to send Time of Day and phase
synchronization from the 7705 SAR-A. Only output signals are
supported. The port includes an RS-422 1 pulse per second signal and an
RS-422 serial time of day signal.
Refer to ToD Out Port for pinout assignments.
8+BattA/
–BattA
+BattB/-BattB
The power connector is a standard terminal block with dual power feeds
for redundant DC supplies. For redundant AC power configurations, two
AC power converters must be connected to the DC power feeds.
9 Chassis
Ground and
Anti-static
Wrist-strap
Stud
Threaded
stud
The chassis ground stud allows a direct connection to the building ground
for the chassis ground point.
The chassis ground stud provides a grounding point for personnel
working on the 7705 SAR-A. The wrist strap requires an alligator clip to
connect to the stud.
Table 28: 7705 SAR-A Connector and LED Descriptions (Continued)
Key Label/Part Sub-
category
Description
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