under the order
Name:
SCALANCE X accessory
Article:
6GK5991-1AC00-8AA0
Category:
Industrial Ethernet
Price:
on request
SCALANCE X accessory STP 991-1LD; Pluggable for SCALANCE XM-400; 1x 100 Mbit/s ST/BFOC port, optical; single-mode optical up to max. 26 km
Download instructions at Siemens
If you have additional questions contact the manager