RCF BE 3806, User Manual

Page: 8 / 40

8
CABLE TO LINK THE FIRST BM 3804 PAGING MIC.
TO THE MX 3250 / MX 3500 MAIN UNIT
B
A
G
+V
–
+
POWER SUPPLY
AUDIO SIGNAL
RS 485
GROUND
Brown
Brown/White
Green
Blue/White
Blue
Green/White
Orange
Orange/White
Brown
Brown/White
Green
Blue/White
Blue
Green/White
Orange
Orange/White
12345678
RJ
PIN DESCRIPTION CAT 5e WIRE COLOUR CJ 428e WIRE COLOUR
1 Audio signal (+, hot) Orange/White Red
2 Audio signal (–, cold) Orange Blue
3 Power supply Green/White Yellow
4 Ground Blue Brown
5 Ground Blue/White Green
6 Ground Green Grey
7 RS 485 A (+) Brown/White White
8 RS 485 B (–) Brown Black
CORRESPONDENCE OF WIRES BETWEEN CAT 5E AND CJ 428E CABLES
POWER SUPPLY INPUT: input for the external 24 V dc adapter (500 mA,
i.e. optional RCF AC AD 2405), not included; remove the cable guide by
unscrewing its screw.
N
otes
:
- T
he firsT
bm 3804
PaGinG microPhone is direcTly Powered by The
mx 3250 /
mx 3500
main uniT
(
The exTernal
ac ad2405
adaPTer is noT necessary
).
i
Ts cable musT noT be lonGer Than
800 m (
use
rcf cJ 428e
cable
).
- T
he second
,
The Third and The fourTh
bm 3804
need an
ac ad2405
adaPTer
(
noT included
). T
he sum of all cables musT noT be lonGer Than
800 m
(
use
rcf cJ 428e
cable
).
BM 3804 – INTERNAL DIP-SWITCH SETTINGS
WARNING:
the INteRNAl dIp
-
sWItch settING shAll be cARRIed out oNly by eItheR
RcF
oR AN AuthoRIsed seRvIce ceNtRe
.
Note:
ANy settING chANGe shAll be cARRIed out WheN the system Is sWItched oFF
(
oR the pAGING mIcRophoNe Is dIscoNNected
).
On the BM 3804 rear side, remove the central blank panel to access the six
dip-switches.
ENGLISH