Customer having difficulty connecting to a 1G port on their ACX device. While the optic seems to be present, the interface does not appear to recognize it. 

labroot@ACX5448> show version 

Hostname: ACX5448

Model: acx5448

Junos: 22.2R3-S2.8

labroot@ACX5448> show chassis pic fpc-slot 0 pic-slot 0 | match 23 

 23  GIGE 1000EX    SM  INTEGRAOPTICS   61003009.0CE3   1450 nm          0.0          SFF-8472 ver n/a

labroot@ACX5448> show configuration interfaces ge-0/0/23 

apply-groups SERVICEPORT;

unit 1112 {

  encapsulation vlan-bridge;

  vlan-id 1112;

}

labroot@ACX5448> show interfaces descriptions | match ge-0/0/23 

ge-0/0/23         XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

ge-0/0/23.99        XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

ge-0/0/23.1112       XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Customer encountered the issue due to incorrect interface configuration, where it was labeled as "ge-" instead of the correct "xe-". 

labroot@ACX5448# show | compare | no-more 

[edit interfaces]

-  ge-0/0/23 {

-    apply-groups SERVICEPORT;

-    unit 1112 {

-      encapsulation vlan-bridge;

-      vlan-id 1112;

-    }

-  }

[edit interfaces xe-0/0/23]

-  apply-groups DISABLEIF;

+  apply-groups SERVICEPORT;

+  unit 1112 {

+    encapsulation vlan-bridge;

+    vlan-id 1112;

+  }

[edit protocols oam ethernet link-fault-management]

    interface ge-0/0/23 { ... }

+   interface xe-0/0/23 {

+     pdu-interval 1000;

+   }

[edit vlans CPEMGMT]

   interface ge-0/0/23.99 { ... }

+  interface xe-0/0/23.99;

[edit vlans FIA1112]

   interface ge-0/0/23.1112 { ... }

+  interface xe-0/0/23.1112;

labroot@ACX5448# commit and-quit 

Jan 07 08:10:38

warning: Running bridge-mgmt.slax v1.2 ...

commit complete

Exiting configuration mode

labroot@ACX5448> show interfaces descriptions | match xe-0/0/23 

xe-0/0/23    up  down XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

xe-0/0/23.99  up  down XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

xe-0/0/23.1112 up  down XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

labroot@ACX5448> show interfaces extensive xe-0/0/23       

Physical interface: xe-0/0/23, Enabled, Physical link is Down

 Interface index: 158, SNMP ifIndex: 532, Generation: 161

 Link-level type: Flexible-Ethernet, MTU: 9176, LAN-PHY mode, Speed: 1000mbps, BPDU Error: None, Loop Detect PDU Error: None, Ethernet-Switching Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Offline, Media type: Fiber

 ...