netbox-community-netbox/netbox/templates/dcim/trace/cable.html

<div class="cable" style="border-left-color: #{{ cable.color|default:'606060' }}; {% if cable.status != 'connected' %} border-left-style: dashed{% endif %}">
    <strong>
        <a href="{% url 'dcim:cable' pk=cable.pk %}">
            {% if cable.label %}<code>{{ cable.label }}</code>{% else %}Cable #{{ cable.pk }}{% endif %}
        </a>
    </strong><br />
    {% if cable.type %}
        {{ cable.get_type_display|default:"" }}
        {% if cable.length %}
            ({{ cable.length }} {{ cable.get_length_unit_display }})
        {% endif %}
        <br />
    {% endif %}
    <span class="label label-{{ cable.get_status_class }}">{{ cable.get_status_display }}</span>
</div>