Mm900 Media Modules; Mm991-2 (Bfoc) Product Characteristics - Siemens SCALANCE X-300 Series Operating Instructions Manual

Use only approved modules in the slots
Possible module connection types:
● 2 x RJ-45
● 2 x FX100
● 2 x FX1000
● or 2 x SFP slots
With FX, single mode fibers or multimode fibers are possible.
Connecting end devices or other network segments does not depend on the module slots.
Slot number
Port number
Slot number
Port number
Connection
type
4.4.8

MM900 media modules

4.4.8.1

MM991-2 (BFOC) product characteristics

Possible attachments
The MM991-2 (BFOC) media module has the following:
● 2 x 100 Mbps, BFOC port optical (multimode, glass) up to max. 5 km
Figure 4-26
[Device labeling in square brackets]
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24
CAUTION
P1 P2
P9 P10
Electrical: Gigabit Ethernet
MM991-2 (BFOC) [9912AB]
P3 P4 P5 P6
P11 P12 P13 P14
Description of the device
4.4 Product properties and device views
S1
P7 P8 P1 P2
S3
P15 P16 P1 P2
Connection type depend‐
ing on module used
S2
P1 P2
S4
P1 P2
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