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DCM-1 User Manual v1.0

Appendix

RJ45 pinouts

The standard RJ45 wiring convention is as shown below:

The table below lists the pin allocation of the various RJ45

sockets on the DCM-1’s rear panel.

PIN CDPM

CDR-1

PORTS

EXTENSION

PORTS

MICROPHONE

INPUTS

1 Mic (hot) Left (cold) Mic sum (cold)

2 Mic (cold) Left (hot) Mic sum (hot)

3 Sense Sense

4 DC +ve DC +ve DC +ve DC +ve

5 0v 0v 0v 0v

6 DC –ve DC –ve

7 Data H Data H Right (hot)

8 Data L Data L Right (cold)

Fitting Bose

Series II EQ cards

The DCM-1 is compatible with Bose Series II

loudspeakers; a single‑channel Bose equalisation module

may be tted to as many Zone outputs as necessary.

Equalisation modules for the following Bose models are

available:

Panaray MA12

Panaray 402-II, 502B and 502BEX

Panaray LT Series: Models 3302, 4402, 9402 and 9702

Other modules are available; please enquire.

To install equalisation modules, rst remove the top cover

from the DCM-1 (8 screws). The modules plug into the

white 12-pin connectors on the upper PCB. Note the

header connectors on the PCB have two notches on

one side only; these engage with lugs on the equalisation

module’s mating connector to ensure correct orientation.

After tting equalisation modules to any channel(s), the

corresponding module bypass jumper(s) must be removed in

order for the module to function. These are J25 to J34; see

the Appendix section “PCB jumper locations and settings”

page 51 for full details. Replace the top cover with the

original screws after tting.

•

Firmware updates

This section describes the process for upgrading the

DCM‑1’s rmware.

As a responsible manufacturer, Cloud Electronics adopt

a policy of continuous product development. As with all

software-based products, it may be desirable from time to

time to update the rmware in the DCM‑1 with a more

recent version. You can contact your Cloud dealer or

distributor, or visit the Cloud website at www.cloud.co.uk

for details of updates.

Updates are downloadable from the Cloud website, or if you

prefer, from your local dealer/distributor on a CD-ROM.

The new rmware is transferred from a PC to the DCM‑1

via the latter’s RS232 port. The PC used for the transfer

should have a 9‑pin COM port; if not, a USB‑to‑COM

convertor should be used. A straight-through, fully-populated

D9 cable should be used. The default baud rate for transfer

is 115200 baud, but this can be altered by changing the

positions of jumpers J10 & J11 (see page 51 for jumper

locations). The table below gives the alternative baud rates

available:

J10 J11 BAUD RATE

OFF OFF 115200

OFF ON 57600

ON OFF 19200

ON ON 9600

Firmware update is initiated by selecting the FIRMWARE

UPDATE function in the System menu (see page 38). The

DCM-1 should then be powered off and back on again,

or reset with the Reset Mixer function. At this point, a

bootloader routine will be entered, indicated by the front

panel LEDs 1 to 8 ashing in an odd/even sequence. The

display will indicate details of recovery procedure (should

bootloader be entered accidentally) and how to change the

baud rate.

The new rmware can now be transferred. Should the

transfer fail, turn the DCM-1 off, and hold the NEXT button

down while powering it back on again. Go immediately

to the FIRMWARE UPDATE menu function, and turn the

bootloader off.

Full instructions on how to perform an update will be

provided with the update le, including details of the PC

software application for handling the le transfer.

PIN CAT5 CORE

1 White + Orange

2 Orange

3 White + Green

4 Blue

5 White + Blue

6 Green

7 White + Brown

8 Brown