This is a plug-on interface board by BT for use with control panels with the SCANTRONICS …

This is an RS485 line repeater for long cable runs. Built by CASTLE for SHOPALERT …

The CASTLE ZEM 830 (v1.14) gives 30 iD zones or 8 end-of-line zones (depending on …

Later version EURO-MERiDIAN 2.5 amp intelligent power supply board. Accepts a ZEM …

This is a CASTLE CARE-TECH msx expansion card, also known as an MSX G3 PLUS 74 card. …

MSX2 expansion card for CASTLE G3+ board. Expands to 134 zone capability. Software …

CASTLE CT2050 OUTPUT MODULE for CT2500 & CT2700 range of panels. Gives extra …

This is a CASTLE CARE-TECH MSX expansion card, also known as an MSX G3+256 card. …

This is a CASTLE CARE-TECH MSX expansion card to expand a EURO ONE (software version …

This MSX card will upgrade an end-of-line G2 CASTLE panel to 44 circuits. Impossible …

CASTLE EUR-035 output module in polypropylene enclosure for EURO MERIDIAN panels. …

CASTLE CARE-TECH msx card to expand a EURO ONE board to 76 zones. Grade 3 software. …

CASTLE CARE-TECH remote input expander Part No. 219-042 will expand the EURO MERiDIAN …

8 zone plug-on expander for 2300 and 2700 end stations. Will work in eoL or double-pole …

CASTLE CARE-TECH ZEM 8 board software version v5.09. For use with CASTLE EURO ONE …

This is a CASTLE CARE-TECH MSX card used to expand a EURO ONE board to 44 circuits. …

 This is a Castle Care-Tech MSX card, used to  expand a Euro One  board to 44 …

Two-zone plug-in expansion board for the CASTLE CARE-TECH ZX1250 control panel. Includes …

This is a CASTLE CARE-TECH msx card to expand a EURO ONE board to 76 zones. Grade 3 software v7.10 New unused stock. …

This is a CASTLE CARE-TECH msx expansion card to expand a EURO ONE board to 76 zones. Grade 3 software version 6.08 New unused stock. …