This listing is for one used functional silent knight 5210 zone expander board. 3, gate code 05/91. This came out of system that was recently upgraded.
SK-5210 Zone Expander for Silent Knight 5207 Fire Alarm control panel
This listing is for one used functional silent knight 5210 zone expander board. 3, gate code 05/91. This came out of system that was recently upgraded.
Comments are closed.