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3.0 Architecture Overview
The Model 922-MES may be configured with optical links for long distance connections from subsea to surface
or long distance optical links (up to 200 km) connecting between subsea nodes. Copper ports support links to
short distance (up to 100 m) sensors and PLCs.
The 922-MES supports:
Two (2) SFP Ethernet ports for 100BASE-FX / 1000BASE-X operation
Eight (8) Copper Ethernet ports for 10BASE-T /100BASE-TX / 1000BASE-T operation
The Ethernet ports and media types available for the MES is shown in the figure below.
MEDIA TYPES
(OPTICAL)
100BASE-FX
1000BASE-X
SFP
The 922-MES PCB has a Eurocard form factor with a 96-pin DIN header at the back for access to eight copper
ports (CU1 to CU8) and power. The two SFP transceiver cages at the front provide access to SFP1 and SFP2
ports.
SFP1
SFP2
Focal Technologies Corporation
A Moog Inc. Company
MODEL 922
MANAGED
SFP1
ETHERNET
SFP2
Figure 3-1: Model 922-MES Ethernet Ports
POWER CIRCUITRY
P0
MES
CORE
P1
P11
P10
DIAG-uC
Figure 3-2: Model 922-MES Block Diagram and Ports
CU1
CU2
CU3
CU4
SWITCH
CU5
(MES)
CU6
CU7
CU8
+24VDC
P2
P3
P4
P5
P6
P7
P8
P9
Document No. 922-0662-00, Rev 1.0
Model 922-MES – User Manual
MEDIA TYPES
(COPPER)
10BASE-T
100BASE-TX
1000BASE-T
CU1
CU2
CU3
CU4
CU5
CU6
CU7
CU8
Page 3-1
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