Huawei AR500 Series Manual page 63

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Attribute
Cable type
DI/DO interface
The DI/DO interfaces are used to detect voltage level signals or deliver instructions.
3-53
Table 3-53 DI/DO interface attributes
Attribute
Connector type
Signal type
Cable type
RS485/RS422 interface
The RS485/RS422 interface can be connected to a meter or monitoring terminal.
lists RS485/RS422 interface attributes.
Table 3-54 RS485/RS422 interface attributes
Attribute
Connector type
Standards compliance
Working mode
Communication distance
Baud rate
Cable type
RF antenna interface
An RF antenna interface connects to an RF antenna to receive and transmit wireless data.
Table 3-55
Issue 10 (2019-03-06)
Description
l
6.3.2 LTE Whip Antenna
l 6.3.4 Outdoor LTE Antenna
l 6.3.3 LTE Indoor Remote Antenna
lists DI/DO interface attributes.
lists the attributes of an RF antenna interface.
Copyright © Huawei Technologies Co., Ltd.
Description
RJ45
LVTTL voltage level, digital input/output
6.2.7 RJ-45 Connector (DI/DO)
Description
5-pin Phoenix terminal block
RS485/RS422
l RS485: half-duplex
l RS422: full-duplex
1 km (> 19 kbit/s)
1200/2400/4800/9600/115200
6.2.8 5-Pin Phoenix Connector (RS485/
RS422)
3 Chassis
Table
Table 3-54
134