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Magnum 8000X Mixed-Media Fiber Hubs Installation and User Guide (05/ 02)
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Table 3.6.1c: Maximum segment lengths for common network configurations
Number
of Hubs
Repeater
Hop Count
Max. User
Segment
Lengths (m)
Max. Inter-
Repeater (Cascade)
Length (m)
Notes
1 1 100.0 n.a. All ports TX
2 2 100.0 5.0 All ports TX
2 2 92.0 20.0 All ports TX
3+ 3 60.0 1.0 All ports TX
Instructions for connecting the Magnum 8000X Mixed-Media Hubs to the
various Fast Ethernet media are given in the following sections.
3.6.2 Connections to NICs which support Auto-Negotiation
The Magnum 8000X Mixed-Media Hub will function properly with NICs
(Network Interface Cards) which support Auto-Negotiation. The Magnum 8000X will
establish link with any NIC which can send and receive the Fast Link Pulse (FLP)
coding for the 100BASE-TX signaling system. When connecting a NIC to the 8000X, it
may be necessary to reload the NIC drivers on the user device if the NIC has been
communicating with a protocol other than 100BASE-TX (such as 10BASE-T). When
100Mb operation is agreed and in use, the 100Mb LINK/ACT LED is illuminated,
steady ON if no traffic or blinking when there is traffic.
3.7 Table-Top or Shelf Mounting
The Magnum 8000X fiber Hub can be easily mounted on a table-top or any
suitable horizontal surface, and has four rubber feet to provide stability without
scratching finished surfaces.
3.8 Rack-Mounting
Installation of a
Magnum 8000X mixed-
media fiber Hub in a 19” rack is a simple procedure. The units are 1U (1.70”) high.
When properly installed, the front-mounted LED status indicators should be in plain
view and easy to read. Rack-mount installation requires special 19” rack-mounted
brackets and screws (included with each 8000X unit). The brackets attach to the front
sides of the hub, which is then fastened into a standard 19” RETMA rack.
10100
PWR
BRD
ACT
COL
Magnum 8000X
Mixed Media Hub
GARRETT
1
R L SR L S
R L S
R L S R L
R L
R L
R LR L R L
R LR LR L
R LR L R L