Siemens SCALANCE X-300 Manual

Introduction
2.2 Product overview
SCALANCE X-300
Operating Instructions, 10/2010, A5E01113043-10
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Type key for the MM900 media modules
The type designation of an MM900 media module is made up of several parts that have the
following meaning:
Interface
Number of ports
100 Mbps
MM991-2
Interface Property
[-] BFOC port 100 Mbps multimode FO cable
LD BFOC port 100 Mbps single mode FO cable
(SC) SC port 100 Mbps multimode FO cable (up to max. 3 km)
LD (SC) SC port 100 Mbps single mode FO cable (up to max. 26 km)
LH+ (SC) SC port 100 Mbps single mode FO cable (up to max. 70 km)
Interface
Number of ports
1000 Mbps
MM992-2
Interface Property
CU RJ-45 port electrical 10/100/1000 Mbps without securing collar
CUC RJ-45 port electrical 10/100/1000 Mbps with securing collar
[-] SC port 1000 Mbps multimode FO cable (up to max. 750 m)
LD SC port 1000 Mbps single mode FO cable (up to max. 10km)
LH SC port 1000 Mbps single mode FO cable (up to max. 40 km)
LH+ SC port 1000 Mbps single mode FO cable (up to max. 70 km)
ELH SC port 1000 Mbps single mode FO cable (up to max. 120 km)
SFP SFP media module
2.2.11 SFP transceiver
NOTICE
Only the media module MM992-2SFP may be fitted with approved SFP transceivers. The
SFP media module can be fitted with up to two SFPs.

Siemens SCALANCE X-300 Specifications

General

Brand	Siemens
Model	SCALANCE X-300
Category	Switch
Language	English