Siemens SCALANCE X-300 Series Operating Instructions Manual page 42

Description of the device
4.2 Product overview
Media module
MM991-2 (SC)
MM991-2LD (SC)
MM991-2LH+ (SC)
MM991-2P (SC RJ)
MM992-2 (SC)
MM992-2 (C) (SC)
MM992-2LD (SC)
MM992-2LH (SC)
MM992-2LH+ (SC)
MM992-2ELH (SC)
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:
M M 9 9 1 - 2
100 Mbps
Interface
[-]
LD
(SC)
LD (SC)
LH+ (SC)
P
FM
42
Properties
2 x 100 Mbps, SC ports optical, for glass FO cable (multimode), up to
max. 5 km
2 x 100 Mbps, SC ports optical, for glass FO cable (single mode), up to
max. 26 km
2 x 100 Mbps, SC ports optical, for glass FO cable (single mode), up to
max. 70 km
2 x 100 Mbps SC RJ ports optical for Plastic Optical Fiber (POF) up to
max. 50 m or Polymer Cladded Fiber (PCF) up to max. 100 m
2 x 1000 Mbps, SC ports optical, for glass FO cable (multimode), up to
max. 750 m
2 x 1000 Mbps, SC ports optical, for glass FO cable (multimode), up to
max. 750 m, varnished
2 x 1000 Mbps, SC ports optical, for glass FO cable (single mode), up to
max. 10 km
2 x 1000 Mbps, SC ports optical, for glass FO cable (single mode), up to
max. 40 km
2 x 1000 Mbps, SC ports optical, for glass FO cable (single mode), up to
max. 70 km
2 x 1000 Mbps, SC ports optical, for glass FO cable (single mode), up to
max. 120 km
Number of ports
Property
BFOC port 100 Mbps multimode FO cable
BFOC port 100 Mbps single mode FO cable
SC port 100 Mbps multimode FO cable (up to max. 5 km)
SC port 100 Mbps single mode FO cable (up to max. 26 km)
SC port 100 Mbps single mode FO cable (up to max. 70 km)
SC RJ port 100 Mbps POF or PCF
BFOC port 100 Mbps multimode FO cable with diagnostics
Interface
Operating Instructions, 11/2019, A5E01113043-24
Article number
Labeling on the device
6GK5 991-2AD00-8AA0
9912AD
6GK5 991-2AF00-8AA0
9912AF
6GK5 991-2AE00-8AA0
9912AE
6GK5 991-2AH00-8AA0
9912AH
6GK5 992-2AL00-8AA0
9922AL
6GK5 992-2AL00-8FA0
9922AL
6GK5 992-2AM00-8AA0
9922AM
6GK5 992-2AN00-8AA0
9922AN
6GK5 992-2AP00-8AA0
9922AP
6GK5 992-2AQ00-8AA0
9922AQ
SCALANCE X-300