OPTIMOD SURROUND PROCESSOR INSTALLATION
2-5
8685 Rear Panel
[Note: The 8685’s front panel is described starting on page 3-1.]
The Power Cord is detachable and is terminated in a “U-ground” plug (USA stan-
dard), or CEE7/7 plug (Continental Europe), as appropriate to your 8685’s Model
Number.
An RS-232 (Terminal) Computer Interface, labeled S
ERIAL PORT, is provided to
connect the 8685 to IBM PC-compatible computers to support ASCII terminal com-
mands, Orban’s PC Remote software, or ppp connections. This port is labeled S
ERIAL
1.
Two RS-485 Serial Ports can accept and emit Dolby AC3 metadata that follows the
SMPTE Rdd06-2008 standard.
These ports are labeled SERIAL 2 AND SERIAL 3. You can use these ports to
convey D
IALNORM to a Dolby Digital encoder (like Dolby’s DP-569) auto-
matically. See Conveying Metadata on page 2-15.
A Remote Interface Connector (GPI connector) allows you to connect the 8685 to
your existing transmitter remote control or other simple contact-closure control de-
vices. The 8685 remote control supports user-programmable selection of up to eight
optically isolated inputs for any one of the following parameters: recalling any fac-
tory- or user presets, selecting tone or bypass modes, recalling Setups, and clock syn-
chronization. (See Remote Control Interface Programming on page 2-54.) The 8685
remote control accepts a DB-25 connector
.
The Ethernet Port accepts a 10 Mb/second or 100 Mb/second Ethernet connection
terminated with an RJ45 connector. Because of its speed compared to the RS-232
port, Ethernet is the preferred method of connecting the 8685 to PC Remote.
Digital AES3id Inputs and AES3id Outputs support digital audio signals through
BNC connectors. Hardware inputs and outputs each carry two audio channels.
CHASSIS LABEL
DB-9 GENDER
FORMAT
PINOUT
1 Æ
2 Æ
3 Æ
4 Æ
5 Æ
6 Æ
7 Æ
8 Æ
9 Æ
SERIAL 1
Male
RS-232
DCD
S IN
S OUT
DTR
Ground
DSR
RTS
CTS
NC
SERIAL 2
Female
RS-485
Shield
TX A data out -
RX B data in +
Ground
NC
Ground
TX B data out +
RX A data in -
Shield
SERIAL 3
Female
RS-485
Shield
TX A data out -
RX B data in +
Ground
NC
Ground
TX B data out +
RX A data in -
Shield
Table 2-1: Serial Port Pin Identification
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