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The E4G-400 router supports stacking using ports on installed port option cards at the back of the unit.
Up to eight units can be connected into a single management entity that has up to 192 Gigabit Ethernet
ports and up to 32 10-Gigabit Ethernet ports.
At the back of the unit are two bays for either AC or DC power supplies. One 300 W AC or DC power
supply is included with the base unit. A redundant power supply must be ordered separately. You can
mix any combination of 300 W AC and DC power supplies based on the need at the particular site. For
example, you can have a DC main power feed and an AC input backup from an uninterruptible power
supply (UPS).
The front panel of the E4G-400 router has the following features:
•
Twenty 10/100/1000BASE-T (RJ-45) dedicated ports
•
Four 100/1000BASE-X (SFP) or 10/100/1000BASE-T (RJ-45) shared ports
•
Four 100/1000BASE-X (SFP) dedicated ports
•
Timing interfaces
•
BITS-IN interface
•
Console port
•
Stack number indicator
•
Management and USB ports
Figure 5: E4G-400 Front Panel
1 = RJ-45 ports
5 = Stack number indicator
2 = SFP ports
6 = Management and USB ports
3 = Timing connections (Mini-BNC connectors)
7 = Shared ports
4 = BITS IN connector (RJ-45 connector)
8 = Console port
The rear panel of the E4G-400 router (
Figure 6: E4G-400 Back Panel
on page 16) has the following
features:
•
Slot A for one of the following optional cards:
•
XGM3S-2xf option card (2 XFP with Sync-E for stacking or data links)
•
XGM3S-2sf option card (2 SFP+ with Sync-E for stacking or data links)
•
Slot B for one of the following optional cards:
•
XGM3SB-4sf option card (4 SFP+ with Sync-E for data links)
•
E4G-B16T1E1 module (2 MRJ21 with 8 TDM ports per MRJ21 connector)
Cards in Slot A and Slot B are hot-pluggable.
Extreme Networks E4G Series Routers
E4G Routers Hardware Installation Guide
15