2-30Theory of Operation: VOCON Board

Table 2-10. Pin Assignments for Universal Side Connector

Pin Number

Description

 

 

 

 

1

EXT_SPKR_NEG

 

 

2

EXT_SPKR_PLUS

 

 

3

LHDATA

 

 

4

EXT_MIC

 

 

5

CTS_OUT

 

 

6

LHBUSY

 

 

7

OPT_SEL

 

 

8

OPT_B+/VPP

 

 

9

RTSIN/KEYFAIL

 

 

10

1-WIRE

 

 

11

RS232_DOUT/USB+

 

 

12

RS232_DIN/USB-

 

 

Figure 2-10. VOCON Board Connector J102

Most of the signals are extensions of circuits described in other areas of this manual. However, the option-select pin is used to configure special modes: option-select 1 and option-select 2. This pin is controlled by accessories connected to the universal connector.

November 11, 2004

6881094C12-A

Page 52
Image 52
Motorola SSETM 5000 service manual Pin Number Description