Stp Transceiver; Stp991-1 - Siemens SIMATIC SFP Series Operating Instructions Manual

Technical data

7.5 STP transceiver

Properties
Receiver input
* Depending on the cable used, you can find additional information in the "Industrial Ethernet /
)
PROFINET Passive network components" System Manual, see also section "Introduction", paragraph
"Additional documentation".
7.5 STP transceiver
ST/BFOC connectors
The attachment to Industrial Ethernet uses ST/BFOC con‐
nector technology (Straight Tip/Bayonet Fiber Optic Connec‐
tor).
7.5.1

STP991-1

Properties
Transmission mode
Transmission rate
Transmission medium
Light source
Wavelength
Cable length (max.) *
Transmitter output (optical)
Receiver input
*) Depending on the cable used:
● If you are using at least OM1 fibers (attenuation ≤ 1.5 dB/km, bandwidth length product ≥
500 MHz*km), you can reach a cable length of up to 3 km.
● When are using fibers with attenuation values ≤ 1 dB/km, you can reach a cable length of
up to 5 km.
You can find additional information in the "Industrial Ethernet / PROFINET Passive network
components" System Manual, see also section "Introduction", paragraph "Additional
documentation".
34
Sensitivity min.
Input power max.
100Base-FX complying with IEEE 802.3
100 Mbps (Fast Ethernet)
Multimode fiber-optic cable
LED/Class1-LASER "Eye safe"
1300 nm
At 50 µm fiber core diameter
)
At 62.5 µm fiber core diameter
Minimum
Maximum
Sensitivity min.
Input power max.
-21 dBm
-3 dBm
3 km
3 km
At 50 μm -23 dBm
At 62.5 μm -19 dBm
-14 dBm
-32 dBm
-3 dBm
Transceiver SFP/SFP+/SCP/STP
Operating Instructions, 12/2017, A5E02630804-11