Section 3 Routmb Routers; About Routers; Rout-Mb Description - Johnson Controls Intelligent Fire Integrator ROUTMB Installation & Operation Manual

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3.1 About Routers

Routers are used for applications that require network runs with large node counts, extreme
distances, and complex configurations.
Typically, a router is required under these conditions:
Any time more than 64 nodes are to be attached to a network segment.
When the segment needs to be more than 6000'.
When a free topology (star) configuration would be more efficient.
Routers regenerate the signal, resulting in no signal degradation. A router is an Echelon network
node that can be used to connect differing media types together or to extend the network. These are
the supported router types.

3.2 ROUT-MB Description

The ROUTMB is a field programmable, protocol regenerating, intelligent router. It allows
transparent passage of network messages between two network segments of the same or different
types. Available network formats are wire and optical fiber. ROUTMBs must be used to separate
(installed between) 4WRMB from a subsequent 4WRMB when such routing exists on Echelon
networks.
This router has connections for two transceivers. Each transceiver has a side associated with it
(Side A and Side B). By convention Side A should be the side that is closer to the Echelon
Gateway that is used to configure the router and is referred to as the near side. FTXC, FOXC, and
DFXC transceivers may be used with this type of router, however you may not use two DFXCs on
the router because of power limitations.
Those transceiver daughter boards connect two network segments of the same or different types;
FTXC for wire, FOXC for optical fiber (maximum fiber attenuation of 8 db) and (12 db) DFXC for
bidirectional fiber media. All transceivers are mounted to the ROUTMB motherboard using header
strips.
IFI Routers/Repeaters Installation & Operation Manual - P/N: 53388:Rev: A1 5/5/09

Section 3 ROUTMB Routers

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