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Z4II & Z8II Installation and User Manual v1.0 13

LM-1 (uppermost) PCB

19876543210

CABLE SCREEN

/Z8

FACILITY PORT

g.17: LM-1 Facility port

Note that the cable’s screen should be connected to

terminal 3 at the DM-1 end, and to the shell of the Dsub

connector at the mixer end.

Before the LM-1’s music source and level controls will

operate, the LOCAL/REMOTE push-button switch (

page 9 - Rear Panel Description) to REMOTE (i.e., pressing

it in). In this setting, the zone’s front panel Music Level and

Source Select controls become inoperative.

Paging System connections

Cloud PM Series paging microphones may be connected

directly to the Z4II and Z8II.

Two connections are required: the paging mic audio signal

should be connected to the Paging Mic Input (

on page

9- Rear Panel Description) and the control cable to the Zone

Access port (

on page 9).

Connecting a PM4/8/12/16 paging mic

These microphones are equipped with both digital and

analogue paging interfaces; the Z4II and Z8II use the

analogue interface. PM microphones are available in 4, 8,

12 or 16-zone versions; the installer should be sure he/she

understands how paging zones correspond to mixer zones

before commencing wiring.

Standard two-core screened audio cable may be used for

the audio signal, and stranded multicore cable with an

overall screen for the control cable. The number of cores

required in the latter will be determined by the model of PM

microphone being used and whether the mixer is a Z4II or

Z8II; however, note that one additional core will be required

if the PM Series microphone is to be powered from the

Zone Mixer.

Connections on the PM microphone are made via the

rear cable access glands and screw terminal blocks on

the internal PCB (TERM1, TERM4 and TERM8 in this

case). Full connection details and notes on power supply

considerations can be found in the PM Series Installation and

User Guide.

g.18 shows both the cable connections between a PM8 and

a Z8II. Note that DC power supply connection will not be

required if the PM microphone is powered independently

(either by a local PSU or via the CDPM digital network from

another PM unit).

TERM8TERM2TERM1

HOTCOLDGND

Z1 Z2 Z3

Z5 Z6 Z7

Z1 Z2 Z3 Z4 Z5 Z6 Z7 Z8

Z1 Z2 Z3

Z5 Z6 Z7

Z1 Z2 Z3 Z4 Z5 Z6 Z7 Z8

0 V+ V

PAGING MIC INPUTZONE ACCESS

HOT

COLD GND

0 V + V

PM8 PAGING MICROPHONE

Z8II MIXER

This connection only required if

the PM Series microphone is to

be powered from the mixer

g.18: PM8 - Z8II wiring connections

For individual zone paging as described above, the paging

mic priority trigger should be selected to ‘SW’ by moving J5

on each zone sub-board. See page 17 (Paging mic priority) for

further information.

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