
Extron RGB 302/304 Universal Interface • User’s Manual
Page 2-6
Chapter 2 • Installing the RGB 302/304
Preset Memory Blocks
The Memory Cycling feature supports 25 user-defined
memory blocks for storing video configurations and 15
permanently defined memory blocks. The 15 preset
memory block video configurations are listed below.
No.
Format
Horizontal Frequency [kHz]
Vertical Frequency [Hz]
1
VGA1
31.5
70
2
VGA2
31.5
70
3
VGA3
31.5
60
4
VESA1
35.2
56
5
VESA2
37.9
72
6
VESA3
48.4
60
7
VESA4
56.4
70
8
VESA5
38.0
60
9
VESA6
48.0
72
10
Mac 13"
35.0
67
11
Mac 16"
49.7
75
12
Mac 21"
68.7
75
13
Sun1
71.7
76
14
Sun2
81.0
76
15
SGI
63.9
60
Power Supply
The RGB 302/304 is equipped with an internal auto-
switching power supply that operates from any input
voltage in the 100 to 240 VAC, 50/60 Hz range. No
equipment changes are necessary.
RS-232 Interface Specifications
9600 baud, no parity, 8 data bits and 1 stop bit.
RS-232 Connector Pins are assigned as follows:
Pin Signal
Pin
Signal
Pin
Signal
1
—
4
—
7
—
2
Transmit
5
Ground
8
—
3
Receive
6
—
9
—
RS-232
im Vertrieb von
CAMBOARD Electronics
www.camboard.de
Tel. 07131 911201
Fax 07131 911203