User guide

Network Interface (NI) Modules GNI Modules
OmniSwitch 7700/7800 Hardware Users Guide April 2005 page 5-9
GNI Modules
Gigabit Ethernet Network Interface (GNI) modules provide up to twelve 1000 Mbps (1 Gbps) connec-
tions per module. GNI modules can be used for backbone connections in networks where Gigabit Ether-
net is used as the backbone media. GNI modules can also be used in the wiring closet.
The following wire-rate 1 Gbps GNI module is available:
• OS7-GNI-U2. Provides two GBIC slots. Refer to page 5-10 for detailed information on this module.
The following high-density Gigabit GNI modules are available:
• OS7-GNI-U12. Provides twelve MiniGBIC slots. Refer to page 5-14 for detailed information on this
module.
• OS7-GNI2-U12. Second-generation version of the OS7-GNI-U12. Provides twelve MiniGBIC slots.
Refer to page 5-14 for detailed information on this module.
• OS7-GNI-C12. Provides 12 auto-sensing twisted-pair ports, individually configurable as 10BaseT,
100BaseTX, or 1000BaseT. Refer to page 5-19 for detailed information on this module.
• OS7-GNI2-C12. Second-generation version of the OS7-GNI-C12. Provides 12 auto-sensing twisted-
pair ports, individually configurable as 10BaseT, 100BaseTX, or 1000BaseT. Refer to page 5-19 for
detailed information on this module.
GBICs and MiniGBICs are Gigabit Ethernet port modules that are hot-pluggable—i.e.,they it can be
installed or removed while the GNI is powered on and operating without the risk of damage to the GBIC/
MiniGBIC module or the host circuitry.
For information on installing GBICs, refer to page 5-13. For information on MiniGBICs, refer to page
5-17.
Four GBIC types are available for OS7-GNI-U2 modules:
• 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 connectors
• GBIC-LH-70—1000BaseLH long haul fiber, supports distances up to 70 km; uses SC connectors
• GBIC-C—1000BaseT copper connection, supports distances up to 100 meters; uses one RJ-45
connector
Three MiniGBIC types are available for OS7-GNI-U12 modules:
• MINIGBIC-SX—1000BaseSX multimode fiber, supports distances up to 550 meters; uses LC
connectors
• MINIGBIC-LX—1000BaseLX single mode fiber, supports distances up to 10 km; uses LC connec-
tors
• MINIGBIC-LH-70—1000BaseLH long haul fiber, supports distances up to 70 km; uses LC connec-
tors
Like ENI modules, GNI modules are also supported during CMM failover. Refer to “Smart Continuous
Switching” on page 5-21 for details.
See “Handling Fiber and Fiber Optic Connectors” on page 5-30
for proper handling of SC connectors and
fiber-optic cable.