Hatteras HN4000 User Manual

3-8 High-Speed Module Ports and LEDs
HN4000 Hardware Installation Guide 920550-5020 Rev 14
TheT3/E3‐TXmodule(Figure 3‐7)hasLINKandACT(activity)LEDs,T3andE3modeLEDs,
aFRSYNC(framesync)LED,andanLPBACK(loopback)LED.
Figure 3-8 T3/E3-TX High-Speed Module LEDs
Table3‐4describesthe high‐speedmodules’LEDs.
Table 3-4 High-Speed Module LEDs
LED Marking LED State Description
LINK
(All modules)
Off Noconnectionhasbeendetectedbetweentheportandanetworkdevice.
SolidGreen Acommunicationlinkhasbeenestablishedbetweentheportandanetwork
device(normaloperation).
ACT
(All modules)
Off Notrafficisbeingsentorreceivedontheport.
BlinkingGreen Blinksastrafficpassesthroughtheport.
1000
(100/1000BASE-T
modules only)
Off Portis
operatingat100Mbps.
T3
(T3/E3-TX
modules only)
SolidGreen PortisinT3(DS‐3)mode.
E3
(T3/E3-TX
modules only)
SolidGreen PortisinE3mode.
FR SYNC
(T3/E3-TX
modules only)
SolidGreen TheDS‐3/E‐3framerisinsync.
LP BACK
(T3/E3-TX
modules only)
SolidGreen Thedevice’slineinterfaceisloopedback.

Hatteras HN4000 Specifications

General

Brand	Hatteras
Model	HN4000
Category	Switch
Language	English