Motorola SSETM 5000 - Manual (Page 52)

November 11, 2004 6881094C12-A
2-30 Theory of Operation: VOCON Board
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.
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-