Adesys bv, Wateringen, NL
Installation instructions
Octalarm-T2 / T4 / T8 / T16
33
does not allow for alarm diallers to automatically check the calling credit status. Running out of
credit will result in the alarm system being blocked!
The Octalarm has numerous different alarm protocols, some of which are not yet supported by all
network providers. See the
GSM enclosure
provided for an up-to-date list.
16.8 Connecting the COM port
The COM port is designed in accordance with the V.24 / RS-232 standard, and provides the following
signals:
PIN nr
Name
In / Out Description
2 TXD
in Transmit
Data
3 RXD
out
Receive
Data
4 RTS
in Request
To
Send
5 CTS
out
Clear
To
Send
6 DSR
out
Data
Set
Ready
7 GND
- Ground
8 CD
out
Carrier
Detect
20
DTR
in
Data Terminal Ready