This guide covers a possible fix for issues with low or one way volume on JO-1MD and JO-1FD stations.
NWP_Query Object
(
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[tax_query] => Array
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[taxonomy] => kbtopic
[field] => slug
[terms] => jo-series
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[posts_per_page] => 4
[orderby] => rand
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[query_vars] => Array
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[post_type] => kb
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[tax_query] => Array
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[taxonomy] => kbtopic
[field] => slug
[terms] => jo-series
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[posts_per_page] => 4
[orderby] => meta_value_num menu_order
[error] =>
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[meta_value] =>
[preview] =>
[s] =>
[sentence] =>
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[fields] =>
[menu_order] =>
[embed] =>
[category__in] => Array
(
)
[category__not_in] => Array
(
)
[category__and] => Array
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[post__in] => Array
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[post_name__in] => Array
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[tag__in] => Array
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[tag__not_in] => Array
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[tag__and] => Array
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[tag_slug__in] => Array
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[tag_slug__and] => Array
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[post_parent__in] => Array
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[post_parent__not_in] => Array
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[author__in] => Array
(
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[author__not_in] => Array
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[search_columns] => Array
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[meta_query] => Array
(
[relation] => OR
[0] => Array
(
[key] => mkb_tax_order_5734
[compare] => EXISTS
)
[1] => Array
(
[key] => mkb_tax_order_5734
[compare] => NOT EXISTS
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)
[order] => ASC
[ignore_sticky_posts] =>
[suppress_filters] =>
[cache_results] => 1
[update_post_term_cache] => 1
[update_menu_item_cache] =>
[lazy_load_term_meta] => 1
[update_post_meta_cache] => 1
[nopaging] =>
[comments_per_page] => 50
[no_found_rows] =>
[taxonomy] => kbtopic
[term] => jo-series
)
[tax_query] => WP_Tax_Query Object
(
[queries] => Array
(
[0] => Array
(
[taxonomy] => kbtopic
[terms] => Array
(
[0] => jo-series
)
[field] => slug
[operator] => IN
[include_children] => 1
)
)
[relation] => AND
[table_aliases:protected] => Array
(
[0] => wp_term_relationships
)
[queried_terms] => Array
(
[kbtopic] => Array
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[terms] => Array
(
[0] => jo-series
)
[field] => slug
)
)
[primary_table] => wp_posts
[primary_id_column] => ID
)
[meta_query] => WP_Meta_Query Object
(
[queries] => Array
(
[0] => Array
(
[key] => mkb_tax_order_5734
[compare] => EXISTS
)
[1] => Array
(
[key] => mkb_tax_order_5734
[compare] => NOT EXISTS
)
[relation] => OR
)
[relation] => OR
[meta_table] => wp_postmeta
[meta_id_column] => post_id
[primary_table] => wp_posts
[primary_id_column] => ID
[table_aliases:protected] => Array
(
[0] => wp_postmeta
[1] => mt1
)
[clauses:protected] => Array
(
[wp_postmeta] => Array
(
[key] => mkb_tax_order_5734
[compare] => EXISTS
[compare_key] => =
[alias] => wp_postmeta
[cast] => CHAR
)
[mt1] => Array
(
[key] => mkb_tax_order_5734
[compare] => NOT EXISTS
[compare_key] => =
[alias] => mt1
[cast] => CHAR
)
)
[has_or_relation:protected] => 1
)
[date_query] =>
[queried_object] => WP_Term Object
(
[term_id] => 5734
[name] => JO Series
[slug] => jo-series
[term_group] => 0
[term_taxonomy_id] => 5734
[taxonomy] => kbtopic
[description] =>
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[count] => 24
[filter] => raw
[term_order] => 7
)
[queried_object_id] => 5734
[request] => SELECT SQL_CALC_FOUND_ROWS wp_posts.ID
FROM wp_posts LEFT JOIN wp_term_relationships ON (wp_posts.ID = wp_term_relationships.object_id) LEFT JOIN wp_postmeta ON ( wp_posts.ID = wp_postmeta.post_id ) LEFT JOIN wp_postmeta AS mt1 ON ( wp_posts.ID = mt1.post_id AND mt1.meta_key = 'mkb_tax_order_5734' )
WHERE 1=1 AND wp_posts.ID NOT IN (37754) AND (
wp_term_relationships.term_taxonomy_id IN (5734,5735,5737,5738,5751,5781)
) AND (
wp_postmeta.meta_key = 'mkb_tax_order_5734'
OR
mt1.post_id IS NULL
) AND ((wp_posts.post_type = 'kb' AND (wp_posts.post_status = 'publish' OR wp_posts.post_status = 'acf-disabled')))
GROUP BY wp_posts.ID
ORDER BY wp_postmeta.meta_value+0 ASC, wp_posts.menu_order ASC
LIMIT 0, 4
[posts] => Array
(
[0] => WP_Post Object
(
[ID] => 37665
[post_author] => 18
[post_date] => 2023-04-19 17:32:25
[post_date_gmt] => 2023-04-20 00:32:25
[post_content] =>
[post_title] => External Signaling JO, JK, JF, JP, KB, IE
[post_excerpt] =>
[post_status] => publish
[comment_status] => open
[ping_status] => open
[post_password] =>
[post_name] => external-signaling-jo-jk-jf-jp-kb-ie
[to_ping] =>
[pinged] =>
[post_modified] => 2025-03-13 10:25:30
[post_modified_gmt] => 2025-03-13 17:25:30
[post_content_filtered] =>
[post_parent] => 0
[guid] => https://aiphone.local/kb/external-signaling-jo-jk-jf-jp-kb-ie/
[menu_order] => 0
[post_type] => kb
[post_mime_type] =>
[comment_count] => 0
[filter] => raw
)
[1] => WP_Post Object
(
[ID] => 37510
[post_author] => 18
[post_date] => 2021-12-07 18:42:38
[post_date_gmt] => 2021-12-08 02:42:38
[post_content] =>
Line Drawing

Specifications
Features
- Normally open (N/O) contact with a high current rating for door strikes
- Normally closed (N/C) contact with high current for magnetic locks
- Use with any 18-24V system that requires door release
Power Source
Supplied by Master Station or CEUContact Rating
250V AC, 8A 30V DC, 5ACompatible Stations
Form C Door Release Relay for AX Series, JF Series, JK Series, JO Series, JP Series, or KB SeriesMounting
Surface mount directly to the wallDimensions
1-7/16" H x 13/16" W x 7/16" D (with wires extending approx. 7-1/2") [post_title] => RY-1824L Technical Specifications [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => ry-1824l-technical-specifications [to_ping] => [pinged] => [post_modified] => 2025-04-10 11:09:53 [post_modified_gmt] => 2025-04-10 18:09:53 [post_content_filtered] => [post_parent] => 0 [guid] => https://aiphone.local/kb/ry-1824l-technical-specifications/ [menu_order] => 0 [post_type] => kb [post_mime_type] => [comment_count] => 0 [filter] => raw ) [2] => WP_Post Object ( [ID] => 37508 [post_author] => 18 [post_date] => 2021-12-07 18:24:46 [post_date_gmt] => 2021-12-08 02:24:46 [post_content] =>Line Drawing

Specifications
Features
- Allows an external device to be triggered when the intercom is called
- External device will be activated when the door station calls in
Power Source
12-24V DC, 12-16V AC - supplied by Master StationContact Rating
125V AC, 1.0A 30V DC, 1.0ACompatible Stations
External Signaling Relay for AX Series, DB Series, JF Series, JK Series, JO Series, JP Series, or KB SeriesMounting
Surface mount directly to the wallDimensions
4-1/8"H x 2-7/16"W x 1-5/8"D [post_title] => RY-ES Technical Specifications [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => ry-es-technical-specifications [to_ping] => [pinged] => [post_modified] => 2025-04-10 11:09:01 [post_modified_gmt] => 2025-04-10 18:09:01 [post_content_filtered] => [post_parent] => 0 [guid] => https://aiphone.local/kb/ry-es-technical-specifications/ [menu_order] => 0 [post_type] => kb [post_mime_type] => [comment_count] => 0 [filter] => raw ) [3] => WP_Post Object ( [ID] => 37506 [post_author] => 18 [post_date] => 2021-12-07 18:06:06 [post_date_gmt] => 2021-12-08 02:06:06 [post_content] =>Line Drawing

Specifications
Features
- Announces chime tone only
- Adjustable volume (3 positions)
- Indoor mounting
Compatible Stations
Call Extension Speaker for DB Series, JF Series, JK Series, JO Series, JP Series, KB Series, or NIM SeriesMounting
Surface mount directly to the wall or 1-gang boxDimensions
4-3/4"H x 3-1/2"W x 1-1/8"DWeight
0.33lbs (150g) [post_title] => IER-2 Technical Specifications [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => ier-2-technical-specifications [to_ping] => [pinged] => [post_modified] => 2025-04-10 11:54:03 [post_modified_gmt] => 2025-04-10 18:54:03 [post_content_filtered] => [post_parent] => 0 [guid] => https://aiphone.local/kb/ier-2-technical-specifications/ [menu_order] => 0 [post_type] => kb [post_mime_type] => [comment_count] => 0 [filter] => raw ) ) [post_count] => 4 [current_post] => -1 [before_loop] => 1 [in_the_loop] => [post] => WP_Post Object ( [ID] => 37665 [post_author] => 18 [post_date] => 2023-04-19 17:32:25 [post_date_gmt] => 2023-04-20 00:32:25 [post_content] => [post_title] => External Signaling JO, JK, JF, JP, KB, IE [post_excerpt] => [post_status] => publish [comment_status] => open [ping_status] => open [post_password] => [post_name] => external-signaling-jo-jk-jf-jp-kb-ie [to_ping] => [pinged] => [post_modified] => 2025-03-13 10:25:30 [post_modified_gmt] => 2025-03-13 17:25:30 [post_content_filtered] => [post_parent] => 0 [guid] => https://aiphone.local/kb/external-signaling-jo-jk-jf-jp-kb-ie/ [menu_order] => 0 [post_type] => kb [post_mime_type] => [comment_count] => 0 [filter] => raw ) [comment_count] => 0 [current_comment] => -1 [found_posts] => 23 [max_num_pages] => 6 [max_num_comment_pages] => 0 [is_single] => [is_preview] => [is_page] => [is_archive] => 1 [is_date] => [is_year] => [is_month] => [is_day] => [is_time] => [is_author] => [is_category] => [is_tag] => [is_tax] => 1 [is_search] => [is_feed] => [is_comment_feed] => [is_trackback] => [is_home] => [is_privacy_policy] => [is_404] => [is_embed] => [is_paged] => [is_admin] => [is_attachment] => [is_singular] => [is_robots] => [is_favicon] => [is_posts_page] => [is_post_type_archive] => 1 [query_vars_hash:WP_Query:private] => 973105423bf1c0636254483f2e289536 [query_vars_changed:WP_Query:private] => 1 [thumbnails_cached] => [allow_query_attachment_by_filename:protected] => [stopwords:WP_Query:private] => [compat_fields:WP_Query:private] => Array ( [0] => query_vars_hash [1] => query_vars_changed ) [compat_methods:WP_Query:private] => Array ( [0] => init_query_flags [1] => parse_tax_query ) )JO Series – Fixing One Way Volume Issues
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