Raisecom
Gazelle S1020i-LI (A) User Manual
2 Hardware structure
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
18
Figure 2-8
DI interface
Table 2-11 lists the usage and related PIN prints of the digital input interface.
Table 2-11
Digital input interface
Usage
|
External digital input positive terminal
┴
Negative
The digital input interface supports current up to 8 mA. Digital signal input supports the
following statuses:
High level: the input voltage is 13–30 V.
Low level: the input voltage is -30 to +1 V.
After login, you can configure the triggering condition of an external alarm to high level or
low level in global configuration mode, as described in Table 2-12.
Table 2-12
Configuring triggering condition
Step
Command
Description
1
Raisecom#config
Enter global configuration mode.
2
Raisecom(config
)#alarm
outside-alarm
num
{ high |
low }
Configure the triggering condition of an external alarm
to high level or low level.
Num
: being 1, DI ID
High: configure the triggering condition to high level.
Low: configure the triggering condition to low level.
By default, each external alarm is triggered by
high level.
Table 2-13 lists parameters of the DI interface.