QFX3500 has no ethernet-switching-options

Colleagues, hello .
There is such switch :

run show chassis hardware detail

Hardware inventory:
Item             Version  Part number  Serial number     Description
Chassis                                P6645             QFX3500
Pseudo CB 0     
Routing Engine 0          BUILTIN      BUILTIN           QFX Routing Engine
  da0    7836 MB  ATP IG eUSB SSD                        Nand Flash
FPC 0            REV 17   750-036931   P6645-C           QFX3500-48S4Q
  CPU                     BUILTIN      BUILTIN           FPC CPU
  PIC 0                   BUILTIN      BUILTIN           48x 10G-SFP+
    Xcvr 7       V34q1    NON-JNPR     SC9V660041        SFP+-10G-LR
    Xcvr 8                NON-JNPR     SC9V660026        SFP+-10G-LR
    Xcvr 21      h        NON-JNPR     H18A01120453      SFP-LX10
    Xcvr 22               NON-JNPR     S1707178430       SFP+-10G-LR
    Xcvr 23      a        NON-JNPR     S1803052309       SFP+-10G-LR
  PIC 1                   BUILTIN      BUILTIN           4x 40G-QSFP+
  MGMT BRD       REV 11   750-036946   BBAY7091          QFX3500-MGMT-RJ45-AFI
Power Supply 0   Rev 06   740-032091   WC15545           JPSU-650W-AC-AFI
Power Supply 1   Rev 06   740-032091   WC15546           JPSU-650W-AC-AFI
Fan Tray 0                                               QFX3500 Fan Tray, Front to Back Airflow
Fan Tray 1                                               QFX3500 Fan Tray, Front to Back Airflow
Fan Tray 2                                               QFX3500 Fan Tray, Front to Back Airflow

JUNOS   14.1X53-D40.8

Prompt why there is no configuration ethernet-switching-options  ? 

edit ethernet-switching-options                
                                             ^
syntax error, expecting <statement> or <identifier>.

edit ?
Possible completions:
> access               Network access configuration
> access-profile       Access profile for this instance
> accounting-options   Accounting data configuration
> applications         Define applications by protocol characteristics
> chassis              Chassis configuration
> class-of-service     Class-of-service configuration
> diameter             Diameter protocol layer
> event-options        Event processing configuration
> firewall             Define a firewall configuration
> forwarding-options   Configure options to control packet forwarding
> groups               Configuration groups
> interfaces           Interface configuration
> jsrc                 JSRC partition configuration
> jsrc-partition       JSRC partition configuration
> multi-chassis        
> multicast-snooping-options  Multicast snooping option configuration
> policy-options       Policy option configuration
> protocols            Routing protocol configuration
> routing-instances    Routing instance configuration
> routing-options      Protocol-independent routing option configuration
> security             Security configuration
> services             System services
> snmp                 Simple Network Management Protocol configuration
> switch-options       Options for default routing-instance of type virtual-switch
> system               System parameters
> unified-edge         
> virtual-chassis      Virtual chassis configuration
> vlans                VLAN configuration