The Option Board; Figure 4.5-2. Universal (Side) Connector; Figure 4.5-3. Vocon Connector J650; Table 4.5-1. Option Select Functions - Motorola XTS 2500 Service Manual

4.5-14
Signal Name
RTS_USB_PWR
RS232_TX_USB+
RS232_TX_USB-
LH_DATA_KEYFAIL
External PTT
No Function (Normal)
Man Down
External Speaker

4.5.6.3.4 The Option Board

The Option Board consists of the "keypad module" and the "display module" for models II and III of
the XTS 2500/XTS 2500
February 14, 2012
900 MHz Detailed Theories of Operation: VOCON Functional Blocks
OPT_SEL1
EXT_MIC
OPT_SEL2
RTS
SB9600_BUSY
RS232_DOUT/USB_D+
SB9600_DATA/KEYFAIL

Figure 4.5-2. Universal (Side) Connector

J650-Pin #
GND 1, 11, 19, 20
INT_SPK+ 2
INT_SPKR- 3
OPT_SEL1 4
EXT_SPK+ 5
EXT_MIC 6
OPT_B+_VPP 7
OPT_SEL2 8
SPKR_COM 9
10
LH_BUSY 12
CTS 13
14
15
16
NC 17
INT_MIC 18

Figure 4.5-3. VOCON Connector J650

Table 4.5-1. Option Select Functions

FUNCTION
I
radio.
1
2
EXT_SPKR
OPTB+/VPP
SPKR_COM
GND
CTS
RS232_DIN/USB_D-
12
13
MAEPF-27431-O
1
J650
Option Select 1 Option Select 2
0
1
1
0
20
MAEPF-27467-O
0
1
0
1
6816985H01-F