Technical specifications
8.6 MM900 technical specifications
SCALANCE X-300
Operating Instructions, 10/2010, A5E01113043-10
179
Number of frames
at 100 Mbps at 1000 Mbps
at a frame length of (in bytes):
11973 119732 1024
9615 96154 1280
8127 81274 1518
Note
The following applies to IE Switches X-300:
The number of IE Switches X-300 connected in a line influences the frame propagation time.
When a frame passes through an IE Switch X-300, it is delayed by the Store&Forward
function of the IE Switch X-300
with a 64 byte frame length by approx. 10 microseconds (at 100 Mbps)
with a 1500 byte frame length by approx. 130 microseconds (at 100 Mbps)
This means that the more IE Switch X-300 devices the frame passes through, the longer the
frame delay.
8.6 MM900 technical specifications
Product versions
Type Interfaces
MM992-2CUC 2 x 10/100/1000 Mbps, RJ-45 ports electrical with securing collar
MM992-2CU 2 x 10/100/1000 Mbps, RJ-45 port electrical without securing collar
MM991-2 2 x 100 Mbps, BFOC ports optical, multimode FO cable, up to max. 3 km
MM991-2LD 2 x 100 Mbps, BFOC ports optical, single mode FO cable, up to max. 26 km
MM991-2 (SC) 2 x 100 Mbps, SC ports optical, multimode FO cable, up to max. 3 km
MM991-2LD
(SC)
2 x 100 Mbps, SC ports optical, single mode FO cable, up to max. 26 km
MM991-2LH+
(SC)
2 x 100 Mbps, SC ports optical, single mode FO cable, up to max. 70km
MM992-2 2 x 1000 Mbps, SC ports optical, multimode FO cable, up to max. 750m
MM992-2LD 2 x 1000 Mbps, SC ports optical, single mode FO cable, up to max. 10km
MM992-2LH 2 x 1000 Mbps, SC ports optical, single mode FO cable, up to max. 40km
MM992-2LH+ 2 x 1000 Mbps, SC ports optical, single mode FO cable, up to max. 70km
MM992-2ELH 2 x 1000 Mbps, SC ports optical, single mode FO cable, up to max. 120km
MM992-2SFP 2 x 100/1000 Mbps, SFP media module
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