Henry Engineering MultiPort Manual

Henry Engineering Ikke kategoriseret MultiPort

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Side 1/2

MULTIPORT

DESCRIPTION

The MultiPort panel is a utility interconnect device that facilitates interface between a studio or professional audio system

and external audio devices. MultiPort provides convenient access to system audio inputs and outputs, and allows

connection to digital and analog equipment at both professional and consumer signal levels. Digital I/O can be via either

the AES/EBU or S/PDIF standard. Balanced audio outputs are provided at +4dBu and -50dBu and also unbalanced at

-10 dBv. MultiPort can accept analog inputs at +4dBu (balanced) or -10 dBv (unbalanced). XLR, ¼” TRS, 3.5mm Mini

TRS, and RCA jacks are provided for interface. MultiPort is powered by an external AC power transformer, included.

INSTALLATION

MultiPort can be mounted in a rectangular cutout in studio cabinetry. The cutout should be 11” W x 2 1/2” H. (A rack-mount kit is

optionally available, for mounting MultiPort in a 2RU rack opening.) Audio and power connections to MultiPort are via three “euroblock”

connectors on the PC board, labeled “To Studio”, “From Studio” and “AES,PWR”. Wire the mating plugs according to the information

below. Note that the pins are numbered left-to-right, with the screws facing up.

TO STUDIO: This connector sends analog audio from MultiPort to the studio, e.g., to a balanced Line input on a console.

All analog wiring to/from MultiPort should be balanced, lo-z, at professional +4 dBu levels.

PIN 1 LEFT +

PIN 2 LEFT –

PIN 3 GROUND

PIN 4 RIGHT +

PIN 5 RIGHT –

PIN 6 GROUND

FROM STUDIO: This connector sends analog audio from the studio (e.g., a DA output) to the MultiPort output connectors.

Pin assignments are identical to those shown above.

AES, PWR: This connector is for the AES digital input and output, and also the power input to MultiPort:

PIN 1 AES + OUTPUT AES digital audio output of MULTIPORT to studio, e.g., the AES input of a digital console

PIN 2 AES – OUTPUT

PIN 3 AES+ INPUT Studio AES output (e.g., output of digital D.A.) to MULTIPORT digital output connectors

PIN 4 AES – INPUT

PIN 5 POWER INPUT 12V AC input to MULTIPORT (This is also the ground of MULTIPORT internal circuitry.)

PIN 6 POWER INPUT 12V AC input to MULTIPORT

GROUNDING: Grounds of analog I/O connectors can be connected at both ends. Four “jumper pins” (JP1-JP4) allow the studio

equipment grounds to be connected-thru to the XLR Pin1 ground terminals. JP1 (L) and JP2 (R) connect MultiPort input connector

grounds to the grounds of studio input equipment. JP3 (L) and JP4 (R) connect the studio output grounds to the ground pins of

MultiPort output connectors. The AES input and output connections are transformer isolated; no ground connection is required.

(MultiPort metal panel is connected to Pin 6 of the “From Studio” connector.)

OPERATION:

For balanced Line analog inputs/outputs, use the “combo” jacks for inputs (TRS or XLR) and the male XLR output jacks.

For unbalanced “consumer” Line analog inputs/outputs, use jacks. All line-level I/O is sterthe “RCA” phono jacks or 3.5mm TRS eo.

For balanced Mic-level outputs, use the Mic Output jacks. Note that both the Mic outputs are monaural, and are summed from the left

and right studio outputs. The Mic Ground switch can be used to disconnect Pin 1 of the Mic output XLRs from the studio ground.

To feed a digital audio signal into MultiPort, use either the AES input (XLR) or the S/PDIF input (RCA). Do not use both input jacks at

the same time. MultiPort’s digital outputs are available on either the AES output (XLR) or S/PDIF output (RCA). The Digital Output

Select switch selects which output is active. Do not use both outputs at the same time.

The two digital Utility connectors can be used for pass-thru connections of USB and RJ45 cables. Note that the USB connectors are

reversible, and can be installed with either type of USB connector facing outwards. Either of these connectors can be field replaced

with Neutrik USB, RJ45 or IEEE-1394 (“Firewire”) connectors.

Specifications subject to change without notice. Rev. 01/2010

1 2 3 4 5 6

Pins are numbered left-to-right,

with screws facin

UP.

HENRY ENGINEERING

503 Key Vista Drive

Sierra Madre, CA 91024

Tel: 626-355-3656

Web: www.henryeng.com

Multi-Format Audio Interface Panel

TO STUDIO OF

R IN

R-

L-

AES IN

SPDIF OUT

AES I/O,

PWR IN

R+

GND

AES IN

AES OUT

OFF

SPDIF IN

GND

FROM STUDIO

GND

OFF

AES OUT

L IN

L+

PWR LED

S/A SW

+12V

-12V

+12V

-12V

+12V

-12V

+12V

-12V

TC-612

1 3

2 4

LM79L12

2 3

IN OUT

GND

C15

0.1uF

R13 4.99K

U2B

NE5532

8 4

R75

120

JP1

30pF

LM78L12

GND

OUT

C16

0.1uF

E13

C21

0.1uF

C19

0.1uF

R6 4.99K

R5 4.99K

C13

0.1uF

D1 1N4004

R11 47 1/4W

R7 4.99K

R72

R76 10K

E18

R10 47 1/4W

U1A

NE5532

8 4

JP4

E17

E20

R67

150

1000uF 25V

LM6181

7 4

U2A

NE5532

8 4

R12 4.99K

E10R66

110 1/4W R69

150

E12

D2 1N4004

TC-615

1 3

2 4

R70

110 1/4W

R17 24.9K

R73

R8 47 1/4W

TP1

R68 2.4K

R9 47 1/4W

C14

0.1uF

12.4K

R18 24.9K

R2 24.9K

C4 30pF

E11

R64 1.2K

E19

TC-615

1 3

2 4

JP3

R16 12.4K

U1B

NE5532

8 4

R74130

R1 24.9K

0.1uF

1000uF 25V

JP2

E21

R14 4.99K

R15

12.4K

C17

0.1uF

C1 30pF

30pF

R3 12.4K

Produkt Specifikationer

Mærke:	Henry Engineering
Kategori:	Ikke kategoriseret
Model:	MultiPort

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