Specifications

Document Ref: Dis4app.doc/Rev0 25-07-00 Page 19 of 22 Originator MC Checked by __
5.1.2 A1535/A1536 8 Way Expansion Boards
Up to 31 (A1535 & A1536) 8 way programmable expansion boards may be connected to each
Discovery 1-4 loop panel. A special 2 door cabinet is available to house up to 4 enhancement boards
(details on request). Up to 31 boards in total may be connected via an RS485 comms - for local
expansion only. Local power is required for each board in addition to the RS485 comms link.
WARNING: In order to conform to the requirements of BS5839 / EN54, the A1536 8 way alarm
board must be used adjacent to the main panel.
The inputs and outputs are fully programmable within the panel’s cause/effect facility. The output
type (eg relays or alarm circuits) are determined by the board type chosen. The inputs may be
monitored or non-monitored, or indication only.
Please refer to A1535 8 Way Relay Board & A1536 8 Way Alarm Board documentation for further
details.
5.2 Battery Sizes (YUASA)
Battery Rating Battery Size
3.2Ah battery 12V 134mm long x 67mm wide x 64mm high
6.2Ah battery 12V 151mm long x 65mm wide x 97.5mm high
12Ah battery 12V 151mm long x 98mm wide x 97.5mm high
15Ah battery 12V 181mm long x 98mm wide x 167mm high
38Ah battery 12V 166mm long x 175mm wide x 125mm high
65Ah battery 12V 350mm long x 166mm wide x 174mm high
6.0 Compatible Field Devices