Huawei AR500 Series Hardware Description page 244

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Appearance and Structure
Figure 3-36
Figure 3-36 AR503GW-LM7 appearance
1
3
5
7
9
Issue 10 (2019-03-06)
shows the appearance of the AR503GW-LM7 router.
1 2
7
Power jack
NOTE
Use a DC power cable to connect the router
to an external power source.
WAN interface: GE electrical interface
RESET button
NOTE
This button is used to reset the router.
l To restore the factory settings, hold down
the button for at least 5 seconds.
l To reset the system, press the button.
Resetting the router will interrupt services.
Exercise caution when deciding to press this
button.
Reserved 3G/LTE antenna interface
GPS antenna interface
Copyright © Huawei Technologies Co., Ltd.
3 4
8 9
2 RS232 interface
NOTE
The RS232 interface can be used as a console
interface to configure the router.
4 Two SIM card slots
NOTE
l The SIM card slots support double-card
single-standby.
l The router must use industrial SIM cards.
l The mounting hole above the SIM card
slots is used to fix the SIM card cover
with a screw.
6 USB interface (host)
8 3G/LTE antenna interface
10 Two Wi-Fi antenna interfaces
3 Chassis
5 6
10
233