The logical name table ZABBIX_TABLE_MON is created by the zabbix_logicals.com procedure, 

See the /change qualifier of the zabbix_sender executable.

https://zabbix.sysgroup.fr/doku.php?id=zabbix_logicals&do=edit

The following logical names are used by zabbix

Directories are relative to the installation directory

^ logical name         ^ default value            ^ description                            ^
| zabbix_def_dir   | [.scripts]    | directory for various scripts                     |
| zabbix_exe_dir   | []            | installation directory                            |
| zabbix_log_dir   | [.log]        | directory for zabbix logs                         |
| zabbix_local_dir | [.local]      | directory for specific files                      |
| zabbix_sender_log | zabbix_sender.log       | define to NL: if zabbix sender log files not needed                     |
| zabbix_server    | DNS name /IP  | name of the Linux, Windows or BSD Zabbix server   | 
| zabbix_shad_disks_discovery   | zabbix_def_dir:zabbix_shad_disks_discovery.json | list of the mounted shadow disks | 
| zabbix_noshad_disks_discovery   | zabbix_def_dir:zabbix_noshad_disks_discovery.json | list of the mounted (not shadow) disks | 
| zabbix_if_discovery  | zabbix_def_dir:zabbix_if_discovery_discovery.json | list of the network interfaces |
| zabbix_debug_level | none | debug options, see below |
| zabbix_listen_port | 10050 | port for zabbix communication |
| zabbix_server_port | 10051 | port for zabbix communication |
| zabbix_disable_active | false | disallow active check for items  |
| zabbix_disable_passive| false | disallow passive check for items |



Possible values for zabbix_debug_level, for debug purpose

<code>
$ define/system zabbix_debug_level xxxx
</code>

xxxx in

<code>
log_erreur 
log_dump
log_traitement
log_buffer_traitement
log_read 
log_qio
log_active
log_all
log_config
log_timer
log_param
log_params
log_session
log_err_ucx
log_notsupported_item
log_msg_from_zabbix
log_msg_to_zabbix
log_ucx_in
log_ucx_out
log_net
log_net_get_counters 
log_net_ast
log_queman
log_proc_info
log_key
</code>