CP 1243-7 LTE 
Operating Instructions, 01/2015, C79000-G8976-C381-01 
113 
 
General technical specifications 
Table 7- 1  General technical specifications 
  Module name: 
CP 1243-7 LTE-EU 
Article number: 6GK7 243-7KX30-0XE0 
Antenna connector 
Design  SMA socket 
Antenna cable, maximum per-
≤ 30 m 
External power supply 
Terminal block with plug, 3 terminals 
Cable cross-section 
•  Minimum 
•  Maximum 
 
•  0.14 mm
2
 (AWG 25) 
•  1.5 mm
2
 (AWG 15) 
Max- tightening torque of the 
0.45 Nm (4 lb-in) 
Electrical isolation: 
Power supply unit to internal 
 
710 VDC for 1 minute 
Current consumption (typical) 
From the S7-1200 backplane 
100 mA 
Effective power loss (typical) 
From the S7-1200 backplane 
0.5 W 
Permitted ambient conditions 
Ambient temperature  During operation with the rack 
installed horizontally (DIN rail 
-20 °C ... +70 °C 
During operation with the rack 
installed vertically (DIN rail ver-
-20 °C ... +60 °C 
≤ 95 % at 25 °C, no condensation