Installation Guide
Page 2 of 2
© Javelin 1999 JAV3V4VI/1.0
1.0
Installation
These handsets are fitted with a 5 pin mini-Din socket. They are supplied with a 3 metre long,
pre-wired cable fitted with a 5 pin mini-din plug on each end, ready for plugging into a
MaxCom.
Cables can be extended up to 1000 metres using 4 core 7/0.2 screened cable wired as shown
below.
Figure i Extending the cable run
2.0
Details of Power Input connections
Note:
Use ONLY a 12V DC Power supply (minimum current capacity 250mA) to
power the compact handsets, connected as shown in Figure ii, below.
Note:
Use wiring capable of carrying 0.5A (Min) to connect the power supply to the
handset.
Figure ii Power Input 3 Pin Mini-Din Plug
5 Pin Mini-Din Socket
Signal name
5 Pin Mini-Din Plug
1
FGND
1
2
GND
2
3
(Not Used)
3
4
DATA +
4
5
DATA -
5
Pin Number
Signal
1
+12V DC
2
(Not Used)
3
0V DC
1
4
2
Solder side vie w
of 5 Pin M ini-Din So cket
G re e n 7 /0 .2 p ig ta il
o n scr ee n
5
3
Solder side vie w
of 5 Pin M ini-Din Plug
1
5
3
4
2
4 - co re scr e e n e d c a b le
G re e n 7 /0 .2 p ig ta il
o n scr ee n
G re e n 7 /0 .2 p ig ta il
o n scr ee n
1
3
S olde r s ide view
of 3 P in M ini-Din P lu g
2