DatasheetDatasheet
The EM316GSW-XY module supports jumbo packets
up to 9600 bytes in compliance with modern
internetworking protocols including MPLS over
Ethernet, Q-in-Q (VLAN stacking), MAC-in-MAC, and
others.
For exible link management, the EM316GSW-
XY supports link fault pass-through with MRV’s
Link Integrity Notication (LIN). It ensures correct
propagation of link faults by disabling both ends of
a failed link, which allows devices dependent upon
link state such as switches and routers to accurately
respond to network conditions. LIN is not applicable
when the XY module is acting as a mixed-media
switch.
Traditional Applications
With a exible internal architecture, the EM316GSW-
XY is a price-competitive solution that oers multiple
operational modes for various applications. (See
Figure 1.)
1. Dual Copper (10/100/1000Base-T) to Fiber
(100Base-FX or 1000Base-X) Converter
In this mode (see Figure 2) , the module provides
two independent copper-to-ber Fast/Gigabit
Ethernet converters for the price of a single one. This
conguration doubles the density of a managed
central oce 16-slot chassis to 30 converters.
The EM316GSW-XY high-density solution promotes
the usage of media conversion and distance
extension over ber while minimizing the investment
in expensive internetworking systems using built-in
ber optic interfaces.
The revolutionary paradigm of the versatile XY
(multi-dimensional) converter family simplies
network planning and installations while reducing
replacement inventory requirements. The two
copper 10/100/1000 Ethernet ports and two modular
SFP Fast/Gigabit Ethernet ports may be congured
and combined in literally hundreds of ways to serve
the traditional converter, repeater, and switch roles
with the exibility for modern media and protocols.
A single Fiber Driver module now lls the roles of
several legacy network components, with SFP options
multiplying the possible applications still further.
The SFP interfaces allow connection to many media
types limited only by pluggable ber optic interface
options. Each interface may be provisioned to
100Base-FX and 1000Base-X.
--Single or dual ber 100Base-FX or 1000Base-X
--Multi-mode (MM) or MM extended (MMX)
--Single-Mode at 1310 nm or 1550 nm (up to 120 km)
--Coarse and Dense Wave Division Multiplexing
--Copper 1000 Base-T or 10/100Base-T
Most available SFPs use MSA-compliant (SFF-
8724) Digital Diagnostics, so these devices provide
advanced optical performance monitoring for
proactive network administration and maintenance.
The small form-factor is also designed for portability
and interoperability, so inventory costs and
downtime may be reduced with fewer spare parts
shared between many systems.
Each 10/100/1000Base-T RJ-45 Ethernet por t supports
auto-negotiation and automatic MDI/MDI-X sensing
for plug-and-play Ethernet connections. Either a
straight- through or crossover cable may be used on
either port.
PC
Server
Switch/
Router
80 km SM
40 km SM
EM316GSW-XY and EM316LNXNM-OT
modules along with other equipment
in a 16-slot chassis
EM316GSW-XY and EM316LNXNM-OT
modules in a 2-slot chassis
PC
Figure 2: Managed Dual Copper-to-Fiber Converter Application
2
(40 Seiten)
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