Siemens CP 1242-7 GPRS V2 - Technical Specifications; Technical Specifications of the CP

CP 1242-7 GPRS V2
Operating Instructions, 10/2016, C79000-G8976-C311-02
113
Technical specifications
7
7.1
Technical specifications of the CP
Table 7- 1 Technical specifications
Technical specifications
Product type designation
CP 1242-7 GPRS V2
Article number 6GK7 242-7KX31-0XE0
Frequency bands
GPRS
GSM (850/900 MHz)
DCS (1800 MHz)
PCS (1900 MHz)
Wireless interface
Antenna connector
Quantity
1
Design
SMA socket
Nominal impedance
50 Ω
Antenna cable, maximum per-
mitted length
≤ 30 m
Maximum transmit power
DCS 1800, PCS 1900
+30 dBm (Class 1)
GSM 850/950
+33 dBm (Class 4)
GPRS Properties
• Multislot class 10
device class B
coding scheme 1 to 4 (GMSK)
Transmission speed
• Downlink: 80 kbps
• Uplink: 40 kbps
SMS
Mode outgoing
MO
Service
point-to-point
Electrical data
External power supply
Power supply
24 VDC
Permitted range
19.2 ... 28.8 V
Design
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
screw terminals
0.45 Nm (4 lb-in)
Electrical isolation:
Power supply unit to internal
circuit
710 VDC for 1 minute