3.AM

4.EMMI BUS (Agilent 8922M Only)

Connectors

Rear-Panel Connectors of the Agilent Technologies 8922M/S

This connector is used in conjunction with the HP/Agilent 83220A and HP/Agilent 83220E DCS/PCS Test Sets. Refer to either the HP/Agilent 83220A or HP/Agilent 83220E User’s Guides for further information.

The EMMI bus is the Digital Audio Interface defined by GSM Rec. 11.10 sec III.1.4. The EMMI Bus is used to emulate the GSM-standard man-to-machine interface and for DAI control.

The pin assignment of the connector is as follows:

Pin

Usage

Function

To/From

 

 

 

 

1

 

Chassis ground

 

2

EMMI TX

Signal

To ME

3

EMMI RX

Signal

From ME

4 - 6

Not used

 

 

7

EMMI

Signal ground

 

8 - 10

Not Used

 

 

11

DAI

Test control 1

To ME

12

DAI

Signal ground

To ME

13

DAI

Test control 2

To ME

14 - 21

Not Used

 

 

22

DAI

Reset

To ME

23

DAI

Data

From ME

24

DAI

Data Clock

From ME

25

DAI

Data

To ME

 

 

 

 

ME (Mobile Equipment)

DAI input 24, Data Clock, is terminated in 10 kΩ.

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Agilent Technologies S GSM manual Emmi BUS Agilent 8922M Only, Pin Usage Function To/From