RCF DMA 162, Руководство пользователя

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[18] BM:
input (RJ45 socket) for BM 404 paging microphones. Up to four BM 404 paging microphones can be linked in ‘daisy-chain’.
PIN DESCRIPTION WIRE COLOUR (T568B)
1 PAGING AUDIO SIGNAL - white --- orange
2 PAGING AUDIO orange
3 ground white --- green
4 PAGING ENABLE SIGNAL blue
5 ZONE A SELECTION white --- blue
6 ZONE B SELECTION green
7 ZONE C SELECTION white --- brown
8 ZONE D SELECTION brown
As alternative (when no BM 404 microphones are connected), BM input can also be used as additional auxiliary input by connecting
the first three pins only.
[19] FW UPDATE
: USB (type B) port to link a computer (PC) locally. This port can be used either to control the amplifier through the
RDNET software or update its firmware.
[20]
Blank panel to be removed when installing the optional RDNET board.
[21] BALANCED AUDIO INPUT
for a removable screw terminal block. This input has the VOX function: a signal detection that gives
automatic priority.
G ground
+ audio (hot)
- audio signal – (cold)
[22] MUTE:
(removable screw terminal block): remote mute command (a dry closing contact) active when its contacts are shorted.
[23] RMT B and [24] RMT A:
input (removable screw terminal block) for optional RC 401 remote controls. Refer to the specific
section for functioning instructions. RC 401 pin out is shown in the table below.
G Ground
Is Input Selection
Mt Mute
G Ground
Vol Volume
G Ground