User guide

821016: AMPx-E8 Series User Guide
© 2011 Wohler Technologies, Inc. All rights reserved.
20
Chapter 2 System Overview
Rear Panel Connectors
Programming and Remote Access Connectors
RS-232 Connectors
Figure 2–14 RS-232 Pin-Out
RS-232 A (DB-9): This connector is used for downloading
programming, setup, and diagnostic information into and out of the
main board.
RS-232 B (DB-9): This connector is used for downloading
programming, setup, and diagnostic information into and out of the
Dolby E card.
RS-232 C (DB-9) (not available on the DA models): This connector
is used for downloading programming, setup, and diagnostic
information into and out of the 3G card.
Remote Connector
Remote (DB-9) (2RU models only): When equipped with the optional
RC4-4 interface board and configured in software, this connector (not
RS-232) provides limited remote control and status reporting with GPI/
O signals: four inputs (Controls 1 through 4) and four outputs (Status 1
through 4) as shown in Table 2–5 below.
Table 2–5
RC4-4 Connector Interface Pin Out
Pin Description
1 Type Select 1, Status Output
2 Type Select 0, Status Output
3 Common, Ground
4 Type Select 0, Control Input
5 Channel Select 0, Status Output
6 Channel Select 1, Status Output
7 Channel Select 0, Control Input