Research Concepts RC2500 - Manual (Page 156)

RC2500 Antenna Controller Appendix R Working with the SSE AIU 149
Research Concepts, Inc. • 5420 Martindale Road • Shawnee, Kansas 66218-9680 • USA www.researchconcepts.com
Antenna I/O Connector
J7, located to the right of J4, is a DB-25 plug identified as the Antenna I/O connector. This connector
acts as the antenna motion control port of the RC2500. The port consists of 6 solid-state high-side
Darlington drivers rated at 20mA source each.
RC2500 Pin #
& (resource #) Description SSE Signal Name
1 (PA1) Azimuth Drive CW, pull-up drive, 20mA max source. (5
V = move CW). AZ Right
2 Drive Common (return path for AZ, EL, & POL drive
command lines) ) Relay Return
3 (PA0) Azimuth Drive CCW, pull-up drive, 20mA max source.
(5 V = move CCW) AZ Left
4 (PA4) Elevation Drive Up, pull-up drive, 20mA max source. (5
V = move Up EL Up
5 Drive Common (return path for AZ, EL, & POL drive
command lines) ) Relay Return
6 (PA3) Elevation Drive Down, pull-up drive, 20mA max source.
(5 V = move Down EL Down
7 (PA7) Polarization Drive CW, pull-up drive, 20mA max source.
(5 V = move CW) No connect T.B.D.
8 Drive Common (return path for AZ, EL, & POL drive
command lines) ) Relay Return
9 (PA6) Polarization Drive CCW, pull-up drive, 20mA max source.
(5 V = move CW) No connect T.B.D.
10 (PB0) reserved input (same as J6 pin16) No connect
11 nc unused pin No connect
12 nc unused pin No connect
13 nc unused pin No connect
14 (P2.4) unused input No connect
15 (HSI.1) unused input No connect
16 (PB7) unused input No connect
17 (PB0,
HSI.1,P2.4) unused input return; (same as J6-4) No connect
18 (PB0
HSI.1,P2.4) unused input return; (same as J6-4) No connect
19 (PB7) unused input No connect
20 unused pin No connect
21 (PA2) unused output No connect
22 (PA5) unused output No connect
23 (PC2) unused output No connect
24 (PB6) Local/Remote Status input, 12 VDC low current, (12V =
AIU in remote mode…RC2500 active) +12V supply from AIU
25 (PB6) Local/Remote Status input return Relay Return