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CHAPTER 1: Specifications
1. Specifications
Compliance —
FCC Part 15 Subpart J Class A, IC Class/classe A;
230-VAC (“-AE” suffix) models: CE
Standards —
With original Serv cabling: VGA (color or monochrome/
page white) video;
With original Serv cabling (minimal) or coaxial cabling
(recommended): SVGA video;
With coaxial cabling: XGA (color or monochrome) video
Interfaces —
All COMPUTER, KEYBOARD/MONITOR/MOUSE, and
BUS ports:
Proprietary composite of IBM PS/2 or PC/AT
keyboard, PS/2 or RS-232 mouse, and VGA/SVGA/
XGA video;
RS-232 port: Proprietary variant of EIA/TIA RS-232 using
RJ-12 (“6-wire RJ-11”) connectors, DTE;
Resolution —
With original Serv cabling: Up to 1024 x 768
noninterlaced;
With coaxial cabling: Up to 1280 x 1024 noninterlaced
Maximum
Distance —
To local equipment (depends on the CPUs, monitors,
video resolutions, and the length of bus cable between
CPUs and user equipment—see
Section 4.1.3
):
5 ft. (1.5 m) of total original Serv cable or at least 20 ft.
(6.1 m) of coaxial cable—possibly as much as 100 ft.
(30.5 m), depending on the devices—from any
ServSwitch Professor to any device attached to it;
Between Professor units (depends on the video
resolution):
250 ft. (76.2 m) of total bus cable, end to end
User Controls —
Keyboard commands;
Bottom-mounted 8-position unit-address DIP switch;
Rear-mounted power (ON/OFF) pushbutton
Indicators —
All front-mounted LEDs:
(1) Power;
(1) Status;
(1) Send
