H3C S5120-28P-LI+光接口是怎么配置的？

大家好！交换机间通过光纤接口连接，需要配置吗？以下哪段是配置的光纤接口？

H3C S5120-28P-LI配置如下：

<jijia1qu_1>disp cu
#
 version 5.20, Release 1513P62
#
 sysname jijia1qu_1
#
 domain default enable system
#
 telnet server enable
#
 password-recovery enable
#
vlan 1
#
vlan 5 to 7
#
vlan 1000
#
domain system
 access-limit disable
 state active
 idle-cut disable
 self-service-url disable
#
user-group system
#
local-user admin
 password cipher $c$3$nPXpKR+4s9x6ugPSfIA9Jmo5rurFIExb3TP28Pm+YFgIeQ==
 authorization-attribute level 3
 service-type telnet
#
interface NULL0
#
interface Vlan-interface1000
 ip address 172.168.10.42 255.255.255.0
#
interface GigabitEthernet1/0/1
 port access vlan 6
#
interface GigabitEthernet1/0/2
 port access vlan 6
#
interface GigabitEthernet1/0/3
 port access vlan 6
#
interface GigabitEthernet1/0/4
 port access vlan 6
#
interface GigabitEthernet1/0/5
 port access vlan 6
#
interface GigabitEthernet1/0/6
 port access vlan 6
#
interface GigabitEthernet1/0/7
 port access vlan 6
#
interface GigabitEthernet1/0/8
 port access vlan 6
#
interface GigabitEthernet1/0/9
 port access vlan 6
#
interface GigabitEthernet1/0/10
 port access vlan 6
#
interface GigabitEthernet1/0/11
 port access vlan 6
#
interface GigabitEthernet1/0/12
 port access vlan 5
#
interface GigabitEthernet1/0/13
 port access vlan 6
#
interface GigabitEthernet1/0/14
 port access vlan 6
#
interface GigabitEthernet1/0/15
 port access vlan 6
#
interface GigabitEthernet1/0/16
 port access vlan 6
#
interface GigabitEthernet1/0/17
 port access vlan 6
#
interface GigabitEthernet1/0/18
 port access vlan 6
#
interface GigabitEthernet1/0/19
 port access vlan 6
#
interface GigabitEthernet1/0/20
 port access vlan 6
#
interface GigabitEthernet1/0/21
 port access vlan 6
#
interface GigabitEthernet1/0/22
 port access vlan 6
#
interface GigabitEthernet1/0/23
 description to*jijia1qu_2_24
 port link-type trunk
 port trunk permit vlan 1 5 to 7 1000
#
interface GigabitEthernet1/0/24
 description to*jijia1qu_3_24
 port link-type trunk
 port trunk permit vlan 1 5 to 7 1000
#
interface GigabitEthernet1/0/25
 description come*huiju2
 port link-type trunk
 port trunk permit vlan 1 5 to 7 1000
#
interface GigabitEthernet1/0/26
#
interface GigabitEthernet1/0/27
#
interface GigabitEthernet1/0/28
#
 ip route-static 0.0.0.0 0.0.0.0 172.168.10.1
#
 snmp-agent
 snmp-agent local-engineid 800063A20370F96D7C33AB
 snmp-agent community read public
 snmp-agent sys-info version all
#
 load tr069-configuration
#
user-interface aux 0
 authentication-mode scheme
user-interface vty 0 4
 authentication-mode scheme
 user privilege level 3
user-interface vty 5 15
#
return
<jijia1qu_1>