User`s manual

30 RabbitCore 2000
A.1.1 Headers
The RabbitCore 2000 uses headers at J1, J2, and J3 for physical connection to other
boards. J1 and J2 are 2 × 20 SMT headers with a 2 mm pin spacing. J3 is a 2 × 5 header
with a 2 mm pin spacing.
Figure A-2 shows the layout of another board for the RabbitCore 2000 to be plugged in to.
These values are relative to the header connectors.
Figure A-2. J1 and J2 Header Layout (Top View)
Socket Strip (for connection
to headers J1 and J2)
Pinrex 2x20, 2 mm pitch (PS2S-2X20GOB)
Recommended Standoff
(to attach RabbitCore 2000
to user board)
9/32” (7.14) with 4-40 screw
Backup Battery
Provision for user-supplied backup battery (2.85 V to
3.15 V) via connections on header J2
Table A-2. RCM2000 Specifications (continued)
Parameter Specification
J1
J2
1.30
(33.0)
0.125 dia
(3.2)
1.094
(27.79)
1.960
(49.78)
0.079
(2.0)
0.020 sq typ
(0.5)
0.079
(2.0)