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13

1. Connector Pinouts...

Network 1 & 2

Connector type: 

RJ-45 receptacle

Pin

Cat 5/6 Core

1

White + Orange

2

Orange 

3

White + Green

4

Blue

5

White + Blue

6

Green

7

White + Brown

8

Brown

1

8

ADAT Optical Interface

Connector: TOSLINK

S/PDIF

Connector: 

RCA (Phono)

Word Clock In & Out

Connector: 

BNC 75Ω

ISA ADN2 Option Card:

AES3 Out

Connector: 

XLR-3 female

Pin

Signal

1

Screen

2

Out Ch. 1&2 +

3

Out Ch. 1&2 -

Summary of Contents for ISA One

Page 1: ...User Guide focusrite com FA0187 03 Classic transformer mic pre and optional A D card with Dante...

Page 2: ...e Instrument 6 Phase 7 Filter 7 Insert 7 Phones Cue Mix 7 A D Card Clock and Sync Switches 7 Metering 8 Metering the A D Inputs 8 Meter Calibration 8 Rear Panel 9 A D Option Card 10 PHYSICAL CHARACTER...

Page 3: ...o a Dante network If you feel that additional information might be of assistance be sure to consult the site pro focusrite com technical support which contains a comprehensive collection of common tec...

Page 4: ...ic and instrument inputs The headphone output with independent level control can monitor either the selected channel signal or the stereo Cue input on the rear panel A traditional moving coil VU and L...

Page 5: ...the input impedance for the Instrument input 11 Gain pot for the Instrument input 12 1 4 mono Jacks for the Instrument input DI with a parallel output to an Amp combo Also see rear panel DI output co...

Page 6: ...ly ribbon and unbalanced mics could be damaged by applying phantom power Z In Input Impedance Mic With the Mic input selected pressing the Z In button steps through the four transformer preamp input i...

Page 7: ...nadjustable mono mix of two separate sources 1 the selected input Mic Line or Inst and 2 either the DI or the EXT I P signal This for example allows a mic via the rear panel and a guitar via the DI ja...

Page 8: ...he right LED meter now indicates the level at the external input Metering the A D Inputs The two inputs to the A D option card are fed from Ch 1 the Main O P Ch 2 the Ext I P With the Ext I P jack con...

Page 9: ...ition the reading will be 22 dBu 6 Balanced 1 4 TRS Jack sockets for the Left and Right Cue Mix inputs 7 Balanced 1 4 TRS Jack socket Ext I P which feeds input 2 of the A D option card 8 Balanced 1 4...

Page 10: ...nector can be used to pass on the Word Clock signal to the next device When the unit is not following another device and is in Internal Clock mode the Word Clock Out connector outputs the sample frequ...

Page 11: ...gnificant heat for example a power amplifier Note The maximum operating environmental temperature is 40 C 104 F Power Requirements ISA One is mains powered and incorporates a Universal power supply wh...

Page 12: ...n 2 Hot ve 3 Cold ve Pin Signal 1 Screen 2 Hot ve 3 Cold ve Instrument Input DI Output Connector Unbalanced TS 1 4 Jack socket Line Input Insert Send Return Ext Input Cue Mic In Left Right Connector B...

Page 13: ...te Orange 2 Orange 3 White Green 4 Blue 5 White Blue 6 Green 7 White Brown 8 Brown 1 8 ADAT Optical Interface Connector TOSLINK S PDIF Connector RCA Phono Word Clock In Out Connector BNC 75 ISA ADN2 O...

Page 14: ...Impedance In Depth Explanation Dynamic Moving Coil and Condenser Microphones Almost all professional dynamic and condenser microphones are designed to have a relatively low nominal output impedance of...

Page 15: ...es an output transformer to convert the low voltage it generates into a signal capable of being amplified by a preamp The transformer uses a ratio of around 1 30 primary secondary to increase the ribb...

Page 16: ...out to Pro Tools HD Dante to Pro Tools HD ISA One ISA One Red 16Line RedNet HD32R 2 x XLR 3 female DB25 male analogue RJ45 RJ45 network RJ45 RJ45 network Pro Tools interface In Ch 1 Mic Line Inst In...

Page 17: ...won t update and the LOCK LED will start flashing Note that the unit will still operate correctly it will still follow the RNC2 or the front panel switch selection but it won t have updated the front...

Page 18: ...nimum gain Z In Low unless otherwise stated RS 50 Measurements taken at the analogue outputs Gain Range 20 to 10 dB in 10 dB steps plus 0 to 20 dB continuous trim Maximum Input Level 25 dBu Input Impe...

Page 19: ...220mm 8 7 Depth 290mm 11 4 Weight Weight 3 9 kg 8 6 lbs Environmental Operating Temperature 40 C 104 F Maximum ambient operating temperature Connectivity Front panel Instrument input Amp output 2 x 1...

Page 20: ...of the appropriate procedure for resolving the warranty issue In every case it will be necessary to provide a copy of the original invoice or store receipt to the distributor In the event that you ar...

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