Hardware Components of the PG 740 PIII
3-3
Operating Instructions PG 740 PIII
A5E00063150-03
3.2
Left-Hand Casing Side Panel (Communications Side)
All the connectors and interface ports for connecting to external devices are
located on the left-hand side panel of the PG 740 PIII (communications side).
LEDs
VGA port
COM 1/V24/PLC interface
USB interface
MPI/DP
LPT 1/printer
PS/2 mouse
Ethernet
On/Off switch
Dummy plates
covering
expansion slots
Power supply
connector socket
CD-ROM drive
COM 2/V.24 interface
Figure 3-1 Left-Hand Casing Side Panel with Coverplates Removed
Ports and Connectors
Function
VGA port
Connection for external monitor
COM 2
Connection for serial mouse
V.24/mouse
Serial port
Connection for serial printer
COM 1
V.24/MODEM/PLC
Serial port
Connection for S5 programmable controller
MPI/DP Multipoint Interface (RS485)*
Connection for S7 programmable controller
via a CP5611-compatible MPI/DP interface
LPT 1 printer
Connection for parallel printer
Parallel interface
PS/2 mouse
Connection for external PS/2 mouse
Power supply connector socket
Connection for power supply
Ethernet *
Connection for local Network (LAN)
USB interface **
Double connection of Highcurrent USB
devices
*
Galvanic isolation within the safety extra-low voltage circuit (SELV)
**
The USB connection is supported only by Windows 98 at this time. In addition, the BIOS setup can be
controlled by USB keyboard.
Siemens Drives & PLCs