CLOUD PM4 PM Series_Datsheet_v4_EN.pdf

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PM SERIES PAGING MICROPHONES

Models PM4, PM8, PM12 & PM16

General Description

The Cloud PM range of Digital Paging Microphones is a development
of the successful CDPM Series. The microphones are designed for
general purpose multi-zone applications and have a powerful range
of options that make them suitable for almost any situation. They are

easy to install and congure, and provide the user with an elegant

and simple-to-use unit. The microphones are suitable for use as
free-standing units, or may be wall-mounted for security and/or space
considerations.

Four models of the PM are available: the PM4, PM8, PM12 and PM16.
The models differ only in the number of zone select buttons on the
front panel (4, 8, 12 or 16 respectively), and consequently in the
maximum of zones that can be supported.

PM paging microphones allow for paging to individual, multiple or all

zones; zone groups may also be dened for single-button selection of

several zones. A Press To Talk button enables the integral gooseneck
microphone. A pre-announcement chime may be enabled if required;

an internal chime sounder is provided for local conrmation.
A further conguration option allows for paged zones to be cancelled

after an announcement, or remain selected.

PM microphones can be integrated into audio systems in two ways –
via the Cloud Digital Paging Interface, enabling simple connection to
recent Cloud products via CAT-5 cable – or via an analogue interface
to any Cloud (or third-party) audio system equipped with industry­standard short-to-ground access connectors.

The Digital Paging Interface may be used to interconnect up to
32 PM Series microphones, to permit paging from more than one
location, with a total allowable cable run of up to 1 km. Different
models of PM may be intermixed on a single network. Overall
network connection to the audio system may be via either interface
method. Connection to recent Cloud products - such as the DCM1
– will be via the Digital Paging Interface. PM microphones are also
directly compatible with the earlier Cloud CDPM range. PM and
CDPM microphones may be freely intermixed on the Digital Paging
Interface.

Because PM microphones are also equipped with an “analogue”
short-to-ground access port, they may be interfaced with equal ease
to other current Cloud products, such as the Z4II and Z8II Venue
Mixers, the CX163 and CX263 Mixers and the 36/50 and 46/50

Integrated Mixer Ampliers. Other, older Cloud products may also be

compatible; please contact Cloud’s Technical Department for advice
or visit the Cloud website (www.cloud.co.uk).

The PM Series provide a congurable two-layer priority system to
resolve the possibility of conicting announcements when more than

one paging microphone is installed on a network. In addition, a Busy
LED illuminates if an announcement is made from anywhere in the

system. Further conguration options include the ability to disable

selection of one or more zones from individual microphones, and a
“zone offset” facility whereby a microphone with fewer zone buttons
(i.e., a PM4) can address higher-numbered zones.

NOTE: PM Series microphones are also available with an integral
digital message store capable of holding multiple pre-recorded
messages. Please see separate datasheet on the Cloud PM-SA Series
Paging Microphones for further information.

All Cloud products are exclusively designed in the UK.

Every Cloud product is exhaustively tested for electronic performance and sonic perfection in Shefeld, England.

Cloud PM16

• Multiple-zone paging microphone

• High quality electret condenser mic mounted on 300 mm
gooseneck – windshield included. (Alternative 140 mm
gooseneck also available)

• Individual and multiple zone selection

• User-denable or xed zone groups with dedicated group
selection buttons

• Group lock (internal jumper) prevents alteration of group

denitions

• LED conrmation of all zone selections

• Legend area on panel for zone labelling

• ‘TALK’ and ‘CALL ALL’ buttons

• Adjustable mic level

• Choice of four pre-announcement chimes, with internal sounder
and adjustable level

• ‘BUSY’ LED

• Congurable two-layer announcement priority system

• Auto zone reset after announcement (installer-selectable)

• Installer-selectable Zone disable function

• Zone offset function – permits PM4/8/12 units to address any
consecutive subset of zones

• Cloud Digital Paging Interface (via CAT-5)

• Analogue interface with short-to-ground contacts

• Compatible with Cloud DCM1 Digitally Controlled Mixer (via
Digital Paging Interface)

• Up to 32 PM units of any type can be daisy-chained over 1 km
of CAT-5

• Compatible with Cloud Z4II, Z8II, CX163 and CX263 Zone

Mixers, and 36/50 & 46/50 Multi-zone Mixer Ampliers (via

analogue interface)

• Compatible with third-party equipment equipped with short­to-ground access connectors

• No internal mains - powered by external PSU or via Digital
Paging Interface

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System Example

OUT

IN

Cat 5

IN IN

Cat 5

IN

Cat 5 Cat 5 Cat 5

OUT

IN

OUT OUT

OUT

(with Digital Paging Interface)

CDPM

THRU

IN

GAIN (dB)

-10

+10

IN

Mixer

(with Analogue Paging Interface)

MIC INPUT PAGING ACCESS

GAIN (dB)

LF

HF

50

10

-

-

+

Mixer

123

+

AUDIO OUT

ZONE ACCESS CONTROL

Cat 5Cat 5

0V

Z1 Z2 Z3 Z4 Z5 Z6 Z7 Z8

+12V

Up to 32 PM Series microphones may be interconnected in a simple “daisy-chain” manner via the Digital Paging Interface, using standard CAT-5
cable and RJ45 connectors. Microphones may be located anywhere in the system, provided that the total cable length does not exceed 1 km.

The “last” microphone on the network may be connected to the host device (zoner, mixer, mixer-amplier, etc.) in two ways, depending on its

type. The upper diagram shows a host device equipped with the Digital Paging Interface; in this case, the connection may be made with another
ordinary CAT-5 cable.

The lower diagram shows connection to the host being made via the analogue interface, comprising the audio signal from the microphone itself,
and zone selection commands made by short-to-ground contacts. By using the PM’s simple analogue connection, a single unit can interface with
almost any host equipped for paging from Cloud or other manufacturer. Up to 31 further microphones can then expand the network using CAT-5
cable.

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Technical Specications

Capsule Type Electret Condenser

Polar Pattern Cardioid

Microphone

Sensitivity 68 dB ±3 dB (0 dB = 1 V/μbar @ 1 kHz)

Frequency response 80 Hz to 16 kHz

PM4 4

PM4 8

Number of Zones

PM4 12

PM4 16

Chime Number of Chimes 4 (user-selectable), with Internal Speaker

Interfaces

Power Input

Current
Consumption

Digital Cloud Digital Paging Interface (RJ45)

Analogue 1) Zone Access Output (Short-to-Ground); 2) Audio output (balanced)

Via digital interface Via RJ45 Digital Paging Interface connector

Via analogue interface Via internal screw-terminal access port connector

Local supply 9 - 17 VAC or 12 - 24 VDC, via rear 2.1 mm coaxial connector

PM4 55 mA (idle mode), 72 mA (peak)

PM8 61 mA (idle mode), 83 mA (peak)

PM12 67 mA (idle mode), 95 mA (peak)

PM16 73 mA (idle mode), 107 mA (peak)

Base unit

245 wide x 65 high (less gooseneck mic) x 170 deep (mm)

9.65” wide x 2.56” high (less gooseneck mic) x 6.7” deep

Dimensions

Weight 1.0 kg / 2.2 lbs (net); 1.3 kg / 2.9 lbs (gross)

Gooseneck length 300 mm (standard); 140 mm (alternative Part No. MI100166)

Shipping

250 wide x 200 high x 240 deep (mm)
10” wide x 8” high x 9” deep

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Graphs

Architect’s and Engineer’s Specication

The paging microphone shall be capable of paging up to 16 zones

either individually, in user-denable groups, or all zones simultaneously.

The microphone shall be available in versions with 4, 8, 12 or 16 zone
paging buttons. It shall be possible to interconnect up to 32 similar
paging microphones with full operational transparency, via standard
CAT-5 cabling.

The microphone shall become active when a non-latching ‘TALK’
button is pressed. Zone selection shall be by electronically latching

buttons, with selection conrmed by LEDs. A non-latching ‘CALL ALL’

button shall also be provided, selecting paging to all supported zones.
Four ‘GROUP’ buttons shall also be provided, and it will be possible

for the user to dene a group of zones for each. A ‘CLEAR’ button

will be provided to cancel incorrect zone selections. There shall be

a legend area adjacent to each button for user’s zone identication.

The microphone itself shall be mounted on a gooseneck and be
non-removable. Two lengths of gooseneck shall be available. The
microphone level shall be adjustable by an internal control of the
preset type.

PM4-16 Compressor

characteristics.

+0

-5

-10

-15

-20

O
u

t

-25
p
u

t

-30

d
B

-35
u

-40

-45

-50

-55

-50 +0-40 -30 -20 -10

Input dBu

Compressor CharacteristicsPolar Response Capsule Frequency Response

The microphone will be capable of being powered via either type of
interface, or from a local external PSU. The unit will operate from
both DC (12-24 V) and AC (9-17 V) supplies.

It shall be possible to set various conguration options which

will not be resettable by the user and which will be reinstated
after a power interruption: i) setting zone selection to either
remain in place post-announcement, or to self-cancel; ii) offsetting
zone numbering, allowing a microphone to address a different

(consecutively-numbered) set of zones; iii) locking group denitions

so they cannot be altered by the operator; iv) assigning two levels of
priority, whereby ‘high’ priority will take precedence when messages

conict when multiple microphones are in use; v) enabling one of

four pre-set internally-generated pre-announcement chimes to be
selected and setting the chime level; vi) disabling the selection of one
or more zones.

The paging microphone shall be built in a compact housing with a
non-slip base for desktop use; the unit shall also be suitable for wall­mounting.

The paging microphone will interface directly to compatible mixers
or other host devices via a digital interface carrying audio, zone
selection and power on a single CAT-5 cable. It will also be equipped
with an analogue interface consisting of an audio output and a
separate short-to-ground control port, permitting its use with any
other host devices equipped with this type of access. The analogue
zone selection interface shall be able to sense when any paralleled
system is active.

Cloud Electronics Limited

140 Staniforth Road, Shefeld, S9 3HF. England.

Telephone: [phone] Fax: [phone]

Web: www.cloud.co.uk E-mail: [e-mail]

The paging microphone shall be the Cloud PM Series; Model
PM4 (4 zones), PM8 (8 zones), PM12 (12 zones) or PM16 (16 zones).

Cloud Electronics USA

2065 Sidewinder Drive, Suite 200, Park City,

Utah 84060. United States of America.

Toll Free: 0855 810 0161

Web: www.cloudusa.pro E-mail: [e-mail]