TIM 1531 IRC 
Operating Instructions, 02/2018, C79000-G8976-C468-02 
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Table 8- 1  Technical specifications - TIM 1531 IRC 
Attachment to Industrial Ethernet
 
Quantity 
•  1 x gigabit interface (X1) 
•  2x Fast Ethernet interface (X2, X3) 
RJ-45 jack, galvanically isolated 
Properties  Half duplex/full duplex, autocrossover, autonegotiation 
Standard / transmission speed 
•  Standard 
•  Transmission speeds 
Gigabit interface (X1) 
•  1000BASE-T, IEEE 802.3ab 
•  10 / 100 / 1000 Mbps 
Fast Ethernet interfaces (X2 / X3) 
•  100BASE-TX, IEEE 802.3-2005 
•  10 / 100 Mbps 
Permitted cable lengths (Ethernet) 
(Alternative combinations per length range) * 
0 ... 55 m 
•  Max. 55 m IE TP Torsion Cable with IE FC RJ45 Plug 180 
•  Max. 45 m IE TP Torsion Cable with IE FC RJ45 + 10 m TP Cord via 
IE FC RJ45 Outlet 
0 ... 85 m 
•  Max. 85 m IE FC TP Marine/Trailing/Flexible/FRNC/Festoon/Food Cable with 
IE FC RJ45 Plug 180 
•  Max. 75 m IE FC TP Marine/Trailing/Flexible/FRNC/Festoon/Food Cable + 
10 m TP Cord via IE FC RJ45 Outlet 
0 ... 100 m 
•  Max. 100 m IE FC TP Standard Cable with IE FC RJ45 Plug 180 
•  Max. 90 m IE FC TP Standard Cable + 10 m TP Cord via IE FC RJ45 Outlet 
Serial interface for connection to the transmission device 
1 x serial interface (X4) 
9-pin D-sub male connector, isolated 
RS-232 / RS-485 (can be changed in the configuration) 
300 ... 115 200 Bps (depending on the connected modem) 
Design  Socket (X80) with terminal block  1 two-pole terminal block with polarity pro-
Power supply 
•  Type of voltage 
•  Permitted low limit 
•  Permitted high limit 
•  24 VDC 
•  19.2 V 
•  28.8 V