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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<TITLE>VT100.net: Digital VT102 User Guide</TITLE>
<LINK HREF="vt102-ug.css" TYPE="text/css" REL="stylesheet">
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<BODY>
<DIV CLASS="navbar"><A HREF="http://vt100.net/"><IMG CLASS="button" SRC="vt100.net-logo.png" ALT="VT100.net" HEIGHT="16" WIDTH="102"></A> VT102 User Guide<TABLE WIDTH="100%">
<COL SPAN="3" WIDTH="33%">
<TBODY>
<TR>
<TD ALIGN="LEFT"><A HREF="chapter10.html">Chapter 10</A></TD>
<TD ALIGN="CENTER"><A HREF="contents.html">Contents</A></TD>
<TD ALIGN="RIGHT"><A HREF="appendixb.html">Appendix B</A></TD>
</TR>
</TBODY>
</TABLE>
<HR></DIV>
<H1 ID="SA"><SPAN CLASS="chapnum">A</SPAN> Specifications</H1>
<H2 ID="SA.1" CLASS="notoc">General</H2>
<P>This appendix lists the specifications of the VT102 terminal. Also included
are X-ray emission statements, loopback connector wiring and related
documentation not provided by DIGITAL.</P>
<H2 ID="SA.2" CLASS="notoc">VT102 Specifications</H2>
<TABLE>
<TBODY>
<TR VALIGN="TOP">
<TH COLSPAN="2">Dimensions</TH>
</TR>
<TR VALIGN="TOP">
<TD>Monitor</TD>
<TD></TD>
</TR>
<TR VALIGN="TOP">
<TD> Height</TD>
<TD>36.83 cm (14.5 in)</TD>
</TR>
<TR VALIGN="TOP">
<TD> Width</TD>
<TD>45.72 cm (18 in)</TD>
</TR>
<TR VALIGN="TOP">
<TD> Depth</TD>
<TD>36.20 cm (14.25 in)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Keyboard</TD>
<TD></TD>
</TR>
<TR VALIGN="TOP">
<TD> Height</TD>
<TD>8.89 cm (3.5 in)</TD>
</TR>
<TR VALIGN="TOP">
<TD> Width</TD>
<TD>45.72 cm (18 in)</TD>
</TR>
<TR VALIGN="TOP">
<TD> Depth</TD>
<TD>20.32 cm (8 in)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Minimum table depth</TD>
<TD>51.4 cm (20.25 in)</TD>
</TR>
<TR VALIGN="TOP">
<TH COLSPAN="2">Weight</TH>
</TR>
<TR VALIGN="TOP">
<TD>Operating</TD>
<TD>Temperature: 10° C to 40° C (50° F to 104° F)<BR>
Relative humidity: 10% to 90%<BR>
Maximum wet bulb: 28° C (82° F)<BR>
Minimum dew point: 2° C (36° F)<BR>
Altitude: 2.4 km (8000 ft)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Nonoperating</TD>
<TD>Temperature: -40° C to 66° C (-40° F to 151° F)<BR>
Relative humidity: 0% to 95%<BR>
Altitude: 9.1 km (30,000 ft)</TD>
</TR>
<TR VALIGN="TOP">
<TH COLSPAN="2">Power</TH>
</TR>
<TR VALIGN="TOP">
<TD>Line voltage</TD>
<TD>99 to 128 Vac (115 V setting)<BR>
198 to 256 Vac (230 V setting)<BR>
87 to 107 Vac (100 V setting)<BR>
222 to 268 Vac (250 V setting)<BR>
Single phase, grounded, 3-wire</TD>
</TR>
<TR VALIGN="TOP">
<TD>Line frequency</TD>
<TD>47 to 63 Hz</TD>
</TR>
<TR VALIGN="TOP">
<TD>Current</TD>
<TD>0.70 Arms maximum at 115 Vrms<BR>
0.40 Arms maximum at 220-240 Vrms</TD>
</TR>
<TR VALIGN="TOP">
<TD>Input power</TD>
<TD>70 Wrms or 85 VA apparent</TD>
</TR>
<TR VALIGN="TOP">
<TD>Current limiting</TD>
<TD>1.25 A fuse (120 Vac)<BR>
0.75 A slow blow fuse (220-240 Vac)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Power cord</TD>
<TD>Detachable, 3-conductor grounded</TD>
</TR>
<TR VALIGN="TOP">
<TD>Power cord receptacle</TD>
<TD>EIA specified CEE22-6A</TD>
</TR>
<TR VALIGN="TOP">
<TH COLSPAN="2">Display</TH>
</TR>
<TR VALIGN="TOP">
<TD>CRT</TD>
<TD>12-inch diagonal measure, P4 phosphor</TD>
</TR>
<TR VALIGN="TOP">
<TD>Format</TD>
<TD>24 lines × 80 characters or 24 lines × 132 characters (selected from keyboard or computer)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Character</TD>
<TD>7 × 10 dot matrix with descenders</TD>
</TR>
<TR VALIGN="TOP">
<TD>Character size</TD>
<TD>3.35 mm × 2.0 mm (0.132 in × 0.078 in) in 80-column mode<BR>
3.35 mm × 1.3 mm (0.132 in × 0.051 in) in 132-column mode</TD>
</TR>
<TR VALIGN="TOP">
<TD>Active display size</TD>
<TD>203 mm × 127 mm (8 in × 5 in)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Character set</TD>
<TD>ASCII and UK displays 94 characters (with upper- and lowercase, numeric and punctuation), 32-character special graphics set</TD>
</TR>
<TR VALIGN="TOP">
<TD>Cursor type</TD>
<TD>Blinking block character or blinking underline (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TH COLSPAN="2">Keyboard</TH>
</TR>
<TR VALIGN="TOP">
<TD>General</TD>
<TD>83-key detachable unit with 1.9 m (6 ft) coiled cord attached</TD>
</TR>
<TR VALIGN="TOP">
<TD>Key layout</TD>
<TD>65-key arrangement and sculpturing similar to standard typewriter keyboard with an 18-key numeric keypad</TD>
</TR>
<TR VALIGN="TOP">
<TD>Numeric keypad</TD>
<TD>18-key numeric pad with period, comma, minus, enter, and four general-purpose function keys</TD>
</TR>
<TR VALIGN="TOP">
<TD>Visual indicators</TD>
<TD>Seven indicators: ON LINE, OFF LINE, KBD LOCKED, CTS, DSR, INSERT and one programmable indicator.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Audible signals</TD>
<TD></TD>
</TR>
<TR VALIGN="TOP">
<TD> Keyclick</TD>
<TD>Provides audible feedback for each keystroke (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TD> Bell</TD>
<TD><UL>
<LI>Sounds when BEL character received.</LI>
<LI>Sounds eight characters from right margin (selected from keyboard)</LI>
</UL></TD>
</TR>
<TR VALIGN="TOP">
<TD> Multiple bell</TD>
<TD>Sounds on error in SET-UP store or recall operation</TD>
</TR>
<TR VALIGN="TOP">
<TH COLSPAN="2">Modem Communication</TH>
</TR>
<TR VALIGN="TOP">
<TD>Type</TD>
<TD>Full-duplex with/without modem control, asymmetric full-duplex, half-duplex
supervisory and half-duplex with coded control</TD>
</TR>
<TR VALIGN="TOP">
<TD>Speeds</TD>
<TD>50, 75, 110 (two stop bits), 134.5, 150, 200, 300, 600, 1200, 1800, 2000, 2400,
3600, 4800, 9600, 19,200 baud (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Code</TD>
<TD>ASCII (ISO 646 and CCITT Alphabet 5)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Character format</TD>
<TD>Asynchronous</TD>
</TR>
<TR VALIGN="TOP">
<TD>Character size</TD>
<TD>7 or 8 bits (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Parity</TD>
<TD>Even, odd, mark, space or no space (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Buffer overflow prevention</TD>
<TD>Automatic generation of XON and XOFF control codes (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Echo</TD>
<TD>Local echo available (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TH COLSPAN="2">Printer Communication</TH>
</TR>
<TR VALIGN="TOP">
<TD>Type</TD>
<TD>Full-duplex</TD>
</TR>
<TR VALIGN="TOP">
<TD>Speeds</TD>
<TD>50, 75, 110 (two stop bits), 134.5, 150, 200, 300, 600, 1200, 1800,
2000, 2400, 3600, 4800, 9600,
19,200 (one stop bits) baud (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Code</TD>
<TD>ASCII (ISO 646 and CCITT Alphabet 5)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Character format</TD>
<TD>Asynchronous</TD>
</TR>
<TR VALIGN="TOP">
<TD>Character size</TD>
<TD>7 or 8 bits (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Parity</TD>
<TD>Even, odd, mark, space or no space (selected from keyboard)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Buffer overflow prevention</TD>
<TD>Automatic generation of XON and XOFF control codes</TD>
</TR>
</TBODY>
</TABLE>
<P><STRONG>Composite Video Output (J9)</STRONG><BR>
The composite video output provides RS170 output with the following
nominal characteristics. See <A HREF="figurea-1.html">Figure A-1</A>.</P>
<TABLE>
<TBODY>
<TR VALIGN="TOP">
<TD>Output impedance</TD>
<TD>=</TD>
<TD>75 ohms, dc-coupled</TD>
</TR>
<TR VALIGN="TOP">
<TD>Sync level</TD>
<TD>=</TD>
<TD>0 V</TD>
</TR>
<TR VALIGN="TOP">
<TD>Black level</TD>
<TD>=</TD>
<TD>approximately 0.3 V with 75-ohm load</TD>
</TR>
<TR VALIGN="TOP">
<TD>White level</TD>
<TD>=</TD>
<TD>approximately 1.0 V with 75-ohm load</TD>
</TR>
</TBODY>
</TABLE>
<P>The composite sync waveform meets EIA RS170 standards.</P>
<P>The vertical interval is six equalizing pulses, six vertical sync pulses, and
six more equalizing pulses. The timing is as follows.</P>
<TABLE>
<TBODY>
<TR VALIGN="TOP">
<TD>Equalizing pulse width</TD>
<TD>=</TD>
<TD>2.3 µs ± 50 ns</TD>
</TR>
<TR VALIGN="TOP">
<TD>Vertical pulse width</TD>
<TD>=</TD>
<TD>27.28 µs ± 200 ns</TD>
</TR>
<TR VALIGN="TOP">
<TD>Horizontal pulse width</TD>
<TD>=</TD>
<TD>4.71 µs ± 50 ns</TD>
</TR>
<TR VALIGN="TOP">
<TD ROWSPAN="2">Horizontal blank width</TD>
<TD>=</TD>
<TD>11.84 µs ± 50 ns, 80 column mode</TD>
</TR>
<TR VALIGN="TOP">
<TD>=</TD>
<TD>12.34 µs ± 50 ns, 132 column mode</TD>
</TR>
<TR VALIGN="TOP">
<TD>Front porch</TD>
<TD>=</TD>
<TD>1.54 µs ± 50 ns</TD>
</TR>
</TBODY>
</TABLE>
<P><STRONG>FCC Notice</STRONG></P>
<P>This equipment generates and uses radio frequency energy. It has been
type tested and found to comply with the limits for a Class B computing
device in accordance with the specifications in Subset J of part 15 of FCC
rules, which are designed to provide reasonable protection against radio
and television interference in a residential installation. However, there is
no guarantee that interference will not occur in a particular installation. If
this equipment does cause interference to radio or television reception,
the user is encouraged to try to correct the interference.</P>
<P><STRONG>VDE Notice</STRONG></P>
<P>RFI-suppressed according to German regulation 529/1970 and
227/1976 (VDE 0871 Class B).</P>
<TABLE>
<TBODY>
<TR VALIGN="TOP">
<TH COLSPAN="2">X-Ray Emission Data</TH>
</TR>
<TR VALIGN="TOP">
<TD>Rated anode voltage</TD>
<TD>12 kV (fixed)</TD>
</TR>
<TR VALIGN="TOP">
<TD>Dose rate</TD>
<TD>Less than 1.43 pA/kg (20 uR/h)*<BR>
<SMALL>* Measured at a distance of 5 cm at any accessible point from the outer surface.</SMALL></TD>
</TR>
<TR VALIGN="TOP">
<TD>Compliance with
<UL>
<LI>CSA 22.2 #154-1975 Paragraph 4.1.4</LI>
<LI>CDA #65</LI>
<LI>UL 478</LI>
<LI>ECMA 57</LI>
</UL></TD>
<TD><UL>
<LI>Paragraph 5, clause (2) of German X-ray ordinance (1973)</LI>
<LI>VDE 0804/5.72, para. 23</LI>
<LI>VDE 0730 part 2P/6.76, para. 33</LI>
<LI>VDE 0860 part 1/11.76, para. 6</LI>
<LI>IEC 65 public. 1/1972, para. 6</LI>
</UL></TD>
</TR>
<TR VALIGN="TOP">
<TD>Workstation exposure</TD>
<TD>Does not expose operator to dangerous X-ray radiation.</TD>
</TR>
</TBODY>
</TABLE>
<P><STRONG>Loopback Connector Wiring</STRONG></P>
<TABLE>
<TBODY>
<TR VALIGN="TOP">
<TD></TD>
<TD>From</TD>
<TD>To</TD>
</TR>
<TR VALIGN="TOP">
<TD ROWSPAN="4">EIA</TD>
<TD>Pin 2</TD>
<TD>Pins 3 and 15</TD>
</TR>
<TR VALIGN="TOP">
<TD>Pin 4</TD>
<TD>Pins 5 and 8</TD>
</TR>
<TR VALIGN="TOP">
<TD>Pin 20</TD>
<TD>Pins 6 and 22</TD>
</TR>
<TR VALIGN="TOP">
<TD>Pin 19</TD>
<TD>Pins 12 and 17</TD>
</TR>
<TR VALIGN="TOP">
<TD ROWSPAN="3">20 mA</TD>
<TD>Pin 1</TD>
<TD>Pin 3</TD>
</TR>
<TR VALIGN="TOP">
<TD>Pin 2</TD>
<TD>Pin 7</TD>
</TR>
<TR VALIGN="TOP">
<TD>Pin 5</TD>
<TD>Pin 8</TD>
</TR>
</TBODY>
</TABLE>
<P><STRONG>Related Documentation</STRONG></P>
<DL>
<DT>ANSI specifications are available from:</DT>
<DD>Sales Department<BR>
American National Standards Institute<BR>
1430 Broadway<BR>
New York, NY 10018</DD>
<DT>EIA specifications are available from:</DT>
<DD>Electronic Industries Association<BR>
Engineering Department<BR>
2001 Eye St. NW<BR>
Washington, DC 20006</DD>
<DT>International standards are available from:</DT>
<DD>CCITT<BR>
UN Book Store<BR>
United Nations Building<BR>
N.Y., N.Y. 10017</DD>
</DL>
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<TD ALIGN="LEFT"><A HREF="chapter10.html">Chapter 10</A></TD>
<TD ALIGN="CENTER"><A HREF="contents.html">Contents</A></TD>
<TD ALIGN="RIGHT"><A HREF="appendixb.html">Appendix B</A></TD>
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