Fixed docs issues.

...odule/products/product_blocks/lan_switch_interconnect.rst

docs/source/module/products/product_blocks/opengear.rst

docs/source/module/products/product_blocks/pop_vlan.rst

docs/source/module/products/product_blocks/switch.rst

...module/products/product_types/lan_switch_interconnect.rst

docs/source/module/products/product_types/opengear.rst

docs/source/module/products/product_types/pop_vlan.rst

docs/source/module/products/product_types/switch.rst