Siemens SIMATIC NET PROFIBUS - Manual (Page 135)

Passive Components for RS-485 Networks
4-37
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
4.4 Attaching the LAN Cable to the Bus Connector
4.4.1 Attaching the LAN Cable to Bus Connector (6ES7 972-0B.11..)
Appearance (6ES7 972-0B.11 ...)
Figure 4-15 shows the bus connector with order number 6ES7 972-0B.11 ...
SIEMENS Screws for
mounting on the
station
PG socket (only with
6ES7 972-0BB11-0XA0)
9-pin sub-D male
connector for
connection to the
station
Cable guides for
PROFIBUS LAN
cable
Housing screws
Switch for
terminating resistor
Figure 4-15 Bus Connector (order number 6ES7 972-0B.11 ...)