From 585087a049abd4e8cb43efaa58f66e169bae7a51 Mon Sep 17 00:00:00 2001
From: Denis Chevalier <perso@denischevalier.fr>
Date: Sat, 8 Aug 2026 17:37:00 +0200
Subject: finish mechanical specifications

---
 pictures/chassis-module-loading.svg | 895 ++++++++++++++++++++++++++++++++++++
 1 file changed, 895 insertions(+)
 create mode 100644 pictures/chassis-module-loading.svg

(limited to 'pictures')

diff --git a/pictures/chassis-module-loading.svg b/pictures/chassis-module-loading.svg
new file mode 100644
index 0000000..47e5449
--- /dev/null
+++ b/pictures/chassis-module-loading.svg
@@ -0,0 +1,895 @@
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+  <!-- Outer Border / Drawing Frame -->
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+  <!-- VIEW A: SIDE ELEVATION CUTAWAY (LEFT SIDE)                        -->
+  <!-- Scale: ~2.2 px / mm                                               -->
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+     x="129.54004"
+     y="9.4249802"
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+  <text
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+     y="24.42498"
+     font-size="10px"
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+     class="medium-line"
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+  <path
+     d="m 199.54007,501.92499 h 390.00001 v 6.5 H 199.54007 Z"
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+  <rect
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+  <path
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+     y2="320.42499"
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+     x2="164.54004"
+     y2="125.42498"
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+  <line
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+     x2="164.54004"
+     y2="138.92499"
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+  <line
+     x1="171.54004"
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+     x2="171.54004"
+     y2="138.92499"
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+     id="line19" />
+  <text
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+     font-size="9px"
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+     x2="254.54004"
+     y2="138.92499"
+     class="dim-ext"
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+  <line
+     x1="199.54004"
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+     x2="254.54004"
+     y2="501.92499"
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+  <line
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+     x2="244.54004"
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+  <line
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+     y1="125.42498"
+     x2="199.54004"
+     y2="85.42498"
+     class="dim-ext"
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+  <line
+     x1="535.0401"
+     y1="138.92499"
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+  <line
+     x1="199.54004"
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+     x2="535.0401"
+     y2="85.42498"
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+     font-size="9px"
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+     y1="120.42498"
+     x2="590.0401"
+     y2="85.42498"
+     class="dim-ext"
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+     x1="535.0401"
+     y1="85.42498"
+     x2="590.0401"
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+  <text
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+     y="562.5401"
+     font-size="10px"
+     font-weight="700"
+     text-anchor="middle"
+     transform="rotate(-90)"
+     id="text28">Cable bend &amp; connector zone</text>
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+     x1="389.65948"
+     y1="117.86871"
+     x2="436.12589"
+     y2="49.959206"
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+  <text
+     x="438.54007"
+     y="47.42498"
+     font-size="10px"
+     font-weight="700"
+     id="text29">Chassis structure (steel 1.5mm / AL 2.0mm)</text>
+  <text
+     x="438.54007"
+     y="57.42498"
+     font-size="10px"
+     font-weight="700"
+     id="text30"><tspan
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif"
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+     x2="611.22382"
+     y2="288.19937"
+     class="thin-line"
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+  <text
+     x="612.974"
+     y="286.91672"
+     font-size="10px"
+     font-weight="700"
+     id="text31">DB-25 backplane connector</text>
+  <text
+     x="612.974"
+     y="296.91672"
+     font-size="10px"
+     font-weight="700"
+     id="text32"><tspan
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif"
+       id="tspan5">(Cassette grounded via shell &amp; pin 25)</tspan></text>
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+  <text
+     x="344.94635"
+     y="176.82169"
+     font-size="10px"
+     font-weight="700"
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+  <!-- ================================================================= -->
+  <!-- VIEW B: FRONT ELEVATION (MODULE INTERFACE & PITCH)                -->
+  <!-- ================================================================= -->
+  <text
+     x="833.54004"
+     y="9.4249802"
+     font-size="13px"
+     font-weight="700"
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+  <text
+     x="833.54004"
+     y="24.42498"
+     font-size="10px"
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+     r="5"
+     class="thin-line"
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+  <circle
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+     class="thin-line"
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+     r="2.5"
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+     r="5"
+     class="thin-line"
+     id="circle47" />
+  <circle
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+     cy="185.42499"
+     r="5"
+     class="thin-line"
+     id="circle48" />
+  <circle
+     cx="964.24005"
+     cy="245.42499"
+     r="10"
+     class="medium-line"
+     id="circle49" />
+  <rect
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+     width="82.800003"
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+  <rect
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+     height="13.5"
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+  <rect
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+  <text
+     x="1048.04"
+     y="315.42499"
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+     font-weight="700"
+     text-anchor="middle"
+     id="text51">Empty slot</text>
+  <text
+     x="1048.04"
+     y="327.42499"
+     font-size="10px"
+     font-weight="700"
+     text-anchor="middle"
+     id="text52">(Rails visible)</text>
+  <line
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+     x2="880.44006"
+     y2="80.42498"
+     class="dim-ext"
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+  <line
+     x1="964.24005"
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+     x2="964.24005"
+     y2="80.42498"
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+  <text
+     x="976.14001"
+     y="69.42498"
+     font-size="9px"
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+  <line
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+     y1="125.42498"
+     x2="1148.54"
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+     class="dim-ext"
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+  <text
+     x="320.97528"
+     y="-1157.3979"
+     font-size="9px"
+     id="text60"
+     transform="rotate(90)">177.8 mm</text>
+  <!-- ================================================================= -->
+  <!-- VIEW C: DETAILED CASSETTE RAIL PROFILE (ENLARGED SECTION)         -->
+  <!-- Scale: ~6.0 px / mm                                               -->
+  <!-- ================================================================= -->
+  <text
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+     y="565.42505"
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+  <text
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+     y="580.42505"
+     font-size="10px"
+     id="text62">Cross-Section of Rail Guide Channel (Scale Enlarged)</text>
+  <path
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+  <path
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+  <path
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+     class="thick-line"
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+  <path
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+  <path
+     d="m 209.54007,695.425 h 13 v 13 h -13 z"
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+     class="medium-line"
+     id="path66" />
+  <path
+     d="m 536.54008,695.425 h 13 v 13 h -13 z"
+     fill="#ffffff"
+     class="medium-line"
+     id="path67" />
+  <path
+     d="m 189.54007,680.425 c 15,0 18,23 25,23"
+     class="medium-line"
+     id="path68" />
+  <circle
+     cx="189.54004"
+     cy="680.42505"
+     r="2"
+     fill="#000000"
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+  <line
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+     x2="539.5401"
+     y2="620.42505"
+     class="dim-line"
+     id="line71" />
+  <text
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+     font-size="9px"
+     id="text71">38.1 mm +0.2/-0.0 (channel width)</text>
+  <line
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+     y2="665.42505"
+     class="dim-ext"
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+     y2="715.42505"
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+     x2="609.5401"
+     y2="715.42505"
+     class="dim-line"
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+  <text
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+     font-size="10px"
+     font-weight="700"
+     text-anchor="start"
+     id="text74"><tspan
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif"
+       id="tspan1">6.35 mm (0.25&quot;)</tspan></text>
+  <text
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+     y="697.42505"
+     font-size="10px"
+     font-weight="700"
+     text-anchor="start"
+     id="text75"><tspan
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif"
+       id="tspan2">(rail height)</tspan></text>
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+     x2="499.54007"
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+     class="dim-ext"
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+  <line
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+     x2="499.54007"
+     y2="715.42505"
+     class="dim-ext"
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+  <line
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+     x2="509.5401"
+     y2="715.42505"
+     class="dim-line"
+     id="line77" />
+  <text
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+     font-size="10px"
+     font-weight="700"
+     text-anchor="end"
+     id="text77"><tspan
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif"
+       id="tspan3">≥ 5.0 mm (depth)</tspan></text>
+  <line
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+     y1="690.42505"
+     x2="149.54004"
+     y2="665.42505"
+     class="thin-line"
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+  <text
+     x="144.54004"
+     y="657.42505"
+     font-size="10px"
+     font-weight="700"
+     text-anchor="end"
+     id="text78">Optional positive retention</text>
+  <text
+     x="144.54004"
+     y="667.42505"
+     font-size="10px"
+     font-weight="700"
+     text-anchor="end"
+     id="text79"><tspan
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif"
+       id="tspan7">(Spring clip /latch mechanism)</tspan></text>
+  <line
+     x1="544.5401"
+     y1="706.42505"
+     x2="629.5401"
+     y2="745.42505"
+     class="thin-line"
+     id="line79" />
+  <text
+     x="634.5401"
+     y="743.42505"
+     font-size="10px"
+     font-weight="700"
+     id="text80">Cassette lip insertion clearance</text>
+  <text
+     x="634.5401"
+     y="753.42505"
+     font-size="10px"
+     font-weight="700"
+     id="text81"><tspan
+       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:serif;-inkscape-font-specification:serif"
+       id="tspan6">Metal-to-metal grounding contact</tspan></text>
+  <!-- ================================================================= -->
+  <!-- TITLE BLOCK & SPECIFICATION NOTES (BOTTOM RIGHT)                   -->
+  <!-- ================================================================= -->
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+     id="text109"
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+     y="555.27502" />
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-- 
cgit