26
Installation GRS103
Release
01
03/2022
You can connect PoE terminal devices (PD, Powered Device, Type 1 or
Type 2) from Class 0 to Class 4. Connect only PDs with a collective
power budget at PSE <124 W.
Example: 7 × Class 3 PD + 1 × Class 2 PD = 114.8 W, thus permitted
8 × Class 3 PD = 123.2 W, thus permitted
6 × Class 3 PD + 1 × Class 4 PD = 122.4 W, thus permitted
The PoE power is supplied via the wire pairs transmitting the signal
(Alternative A/phantom supply).
The individual ports (joint PoE voltage) are not electrically insulated from
each other.
The following conditions are met in accordance with IEEE 802.3af/
IEEE 802.3at:
Endpoint PSE
Alternative A
The pin assignment corresponds to MDI-X.
Figure 5: Media module M1-8TP-RJ45 PoE
Note: Only trained service personnel are authorized to plug the
M1-8TP-RJ45 PoE media module into the basic device or remove from
the basic device.
Note: This module requires an external power supply.
See “Media modules” on page 63.
Media module M1-8MM-SC
The M1-8MM-SC media module has 8 FX ports for connecting terminal
devices or network segments in compliance with the IEEE 802.3u
100BASE-FX Multimode standard. The optical ports are configured in 100
Mbit/s Fullduplex (FDX) and support FEFI. They have a DSC design.
Class Available power at PSE Available power at PD Classification signature
0 15.4 W 0.44 W ... 12.95 W 0 mA ... 5 mA
1 4 W 0.44 W ... 3.84 W 8 mA ... 13 mA
2 7 W 3.84 W ... 6.49 W 16 mA ... 21 mA
3 15.4 W 6.49 W ... 12.95 W 25 mA ... 31 mA
4 30 W (only 802.3at/Type 2) 12.95 W ... 25.5 W 35 mA ... 45 mA
Table 4: PoE power classes according to IEEE 802.3
1
3
5
7
2
4
6
8
M1-8TP-RJ45 PoE
r
_
+
Disconnect the PoE power supply
before removing the module !
Vor Entfernen des Moduls PoE-
Spannungsversorgung trennen !
U: 48VDC I: 6A
z
P
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