Siemens SIMATRIX NEO V2 Configuration Manual page 26

Installation
26
Siemens AB
Security Products
Connecting an external computer to the COM interfaces on the NEO
The following illustrations show how to connect a computer to the RS232 interface
on the SIMATRIX NEO V2 (COM 2, COM 3, COM 4) using a 9-pin or 25-pin Sub-D
connector:
Fig. 9 Connecting an external computer to COM 2, COM 3, COM4 on the
SIMATRIX NEO V2 using a 25-pin connector
Fig. 10 Connecting an external computer to COM 2, COM 3, COM4 on the
SIMATRIX NEO V2 using a 9-pin connector
Only connect the cables shown in the illustrations!