March 2005
Hardware Basics
57
OS7-GNI-U2 Front Panel
OS7-GNI-U2
OK1
OK2
ACT
LINK
ACT
LINK
RX
TX
RX
TX
1
2
Module Status LEDs
OK1.
Hardware Status. Displays solid
green when powered on and the GNI has
passed hardware diagnostic tests. Displays
solid amber when powered on and the GNI
has failed hardware diagnostic tests.
OK2.
Software Status. Blinks green when
the GNI is operational and has successfully
loaded software. Displays solid amber
when powered on and the GNI has failed to
load software.
Gigabit Ethernet Port LEDs
ACT.
Flashes green when data is transmit-
ted or received on the corresponding Giga-
bit Ethernet port.
LINK.
Link Integrity Status. Displays solid
green when a fiber cable connection exists
at the corresponding Gigabit Ethernet port.
Gigabit Ethernet Ports
The OS7-GNI-U2 module provides 2 GBIC slots.
These slots support the following GBIC types:
•
GBIC-SX—1000BaseSX multimode fiber,
supports distances up to 550 meters; uses
SC connectors
•
GBIC-LX—1000BaseLX single mode fiber,
supports distances up to 10 km; uses SC connec-
tors
•
GBIC-LH-70—1000BaseLH long haul fiber,
supports distances over 70 km (up to 100 km
using premium single mode fiber or dispersion-
shifted single mode fiber); uses SC connectors
•
GBIC-C—1000BaseT copper connection,
supports distances up to 100 meters; uses one
RJ-45 connector
Module
Status
LEDs
Note
Refer to your
Hardware Users Guide
for information on
proper handling of SC connectors and fiber-optic cable.
