H3C交换机只有一个端口能用

H3C 48口交换机，做级连交换机用的，不知道是不是断电配置丢失了，现在所有端口都获取不到IP，以下是当前配置，帮我看下有什么问题
<H3C>
%Apr 3 05:32:48:186 2000 H3C SHELL/5/LOGIN:- 1 - Console(aux0) in unit1 login
<H3C>display current-configuration
#
sysname H3C
#
radius scheme system
#
domain system
#
vlan 1
#
interface Aux1/0/0
#
interface GigabitEthernet1/0/1
#
interface GigabitEthernet1/0/2
port isolate
#
此处
interface GigabitEthernet1/0/48
port isolate
#
interface GigabitEthernet1/0/49
shutdown
port isolate
#
interface GigabitEthernet1/0/50
shutdown
port isolate
#
interface GigabitEthernet1/0/51
shutdown
port isolate
#
interface GigabitEthernet1/0/52
shutdown
port isolate
#
interface NULL0
#
user-interface aux 0
user-interface vty 0 4
#
return
interface GigabitEthernet1/0/1
一直到interface GigabitEthernet1/0/48都是一样的