9
5.
150O
Terminal
Resistance
Signal Line
--
★
PS. Warning :
1. Installation :
A.. Signal line must connect to Number 1 from box(Phone), and
from Number1 to Number 2 and to Number 3… … …
B..
Avoiding to the meshed installation.
PC Output Port
COM1 or COM2
HW-5056 Number 1
Brown
Green
+
-
HW-5056 Number 2
Brown Green
+ -
RS232
ßà
RS485
Converter
BOX
(PHONE)
PIN5
150
Ω
PIN4
BOX (Phone)
Number 1
Number 2
Number 3
BOX
Number1
Number
Number