10
SERVSWITCH™
1. Specifications
Hardware
Required — Monitor that supports your computers’ highest video
standard (see Section 4.1.1)
Compliance — CE, FCC Part 15 Subpart J Class A, IC Class/classe A
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),
RS/6000, or SGI video
Interfaces — RS-232 port: EIA/TIA RS-232 proprietarily pinned on
RJ-12 (“6-wire RJ-11”) connector, DTE;
CPU and MONITOR/KEYBOARD/MOUSE ports:
Proprietary composite of IBM PC/AT or PS/2
keyboard, RS-232 or PS/2 mouse, and video (standards
listed above)
Resolution —
With original Serv cabling: Up to 1024 x 768 noninterlaced;
With coaxial cabling: Up to 1600 x 1280 noninterlaced;
Refer to Section 4.1.3
Refresh Rate — Up to 100 Hz
Protocol — RS-232: Asynchronous
Data Format — RS-232: 8 data bits, 1 stop bit, no parity (fixed)
Data Rate — RS-232: 9600 or (for firmware update only) 57,600 bps
Maximum
Distance — Depending on the CPU, monitor, and video resolution
(see Section 4.1.3), either:
20 ft. (6.1 m) of original Serv cable from any
ServSwitch to any device attached to it, with not
more than 40 ft. (12.2 m) of total original Serv
cable between any CPU and any user station; or
20 ft. (6.1 m) of coaxial cable—possibly as much as
100 ft. (30.5 m), depending on CPUs—from any
ServSwitch to any device attached to it;
Also, 50 ft. (15.2 m) of serial cable from the RS-232 port
of any ServSwitch to a computer’s serial port