Sharp XG-V10WU Service Manual page 159

XG-V10WU
AN-SD1U/S422U
AN-S422U
RS-422 BOARD
Included Items
Part Names
RS-422 CONTROL
INPUT
1
OUTPUT
2
Connecting Pin Assignments
5
M2.6
9
1 RS-422 BOARD
1 Plotter
7 Screws
DISABLE
3
ENABLE
DISABLE
4
ENABLE
1
6
ENGLISH
Warning:
RS-422 Board installation/uninstallation must be performed by
authorized service personnel only.
Warning
This is a class A product. In a domestic environment this
product may cause radio interference in which case the user
may be required to take adequate measures.
The AN-S422 RS-422 board can be installed in an expansion
slot on a Sharp projector to control the projector by RS-422
interface. Before installing and using this board, be sure to
thoroughly read the operation manuals accompanying the
projector and Sharp Advanced Presentation Software.
Part Names
1
RS-422 INPUT terminal
Connects to the RS-422 OUTPUT terminal on another
Sharp projector or the RS-422 terminal on a PC.
2
RS-422 OUTPUT terminal
Connects to the RS-422 INPUT terminal on another
Sharp projector to daisy chain several projectors in a
network.
3
INPUT ENABLE/DISABLE switc h
Set this switch to ENABLE when using the RS-422 INPUT
terminal on this board. Set this switch to DISABLE when
using the RS-232C INPUT terminal on the projector.
4
OUTPUT ENABLE/DISABLE switc h
Set this switch to ENABLE when using the RS-422
OUTPUT terminal on this board. Set this switch to
DISABLE when using the RS-232C OUTPUT terminal on
the projector.
• When connecting to the RS-422 terminal, use a low impedance
cable that matches the connecting pin assignments below.
• Use the tip of a ballpoint pen or similar object to carefully slide the
ENABLE/DISABLE switch to the desired position.
RS-422 Board Switch
INPUT OUTPUT
Enable Enable
Enable Disable
Disable Enable
Disable Disable
Connecting Pin Assignments
D-sub 9-pin (female)
1 NC No Connection
2 TXD– Transmitted Data (–)
TXD+ Transmitted Data (+)
3
RTS– Request To Send (–)
4
RTS+ Request To Send (+)
5
Major Specifications
INTERFACE
Standard: Conforms to EIA-422-B
Max. transmission speed: 115.2 kbps*
Max. transmission range: 4,000 ft. (Approx. 1.2 km)*
Receiver input impedance: 100 Ω
* Varies depending on the operating environment or the type of cable
used.
Checking the Status of the RS-422 Board
1. When the RS-422 board is installed, select "Options" from
the menu screen. "RS-422 Board" will appear for the
Option Board setting.
2. Select "RS-422 Board" and the RS-422 board status will
be displayed.
• See the operation manual of your Sharp projector for details.
192
Control Signal
INPUT OUTPUT
RS-422 RS-422
RS-422 RS-232C
RS-232C RS-422
RS-232C RS-232C
RXD– Received Data (–)
6
RXD+ Received Data (+)
7
8 CTS– Clear To Send (–)
CTS+ Clear To Send (+)
9