GE 12R II Series User Manual

COE Communications Engineering Document
Author:
Keith Gilbertson
Rev:
A
Date:
3/08/02
Pag
e:
30
of 33
GE
TRANSPORTATION
SYSTEMS
GLOBAL SIGNALING DIVISION
Title:
12RII FCC TECHNICAL MANUAL
Block Diagram
U12-A
J2-HS/PGM
HS-MIC
HS-HK
HS-PTT
HS-AUD
RXD1
TXD1
B+
COM COM
HSHK
HSPTT
HSAUD
232-TXD1
232-RXD1
J1-TO RADIO
MIC
485-B
485-A
REC-AUD
SPK+
SPK-
IO
IO
COM
B+
IN2
IN1
SPKR-
SPKR+
485-B
485-A
REC-AUD
MIC-AUD
COM
B+
MK1
A
B
RE
D
R
LT1785
OE
A
B
485-A
485-B485-TX
485-RX
485-EN
Mic
Term.
SPK+
SPK-
N.C.
J6-SPKR
1
2
3
U12-A MIC-AUD
HS-AUD
REC-ADU
SCL
SDA
LM75
T
M
P
SCL
SDA
TEMP
SENSOR
SCL
SDA
24C64
SCL
SDA
EEPROM
U2
5V
REG
COM
B+ +5V
T1I
R1O
MAX202
T1O
R1I
T2I
R2I
T2O
R2O
232-TXD1
232-RXD1
TXD1
RXD1
VB-EN
485-EN 485-TX 485-RX
TXD1 RXD1
HS-PTT
HS-HK ROW1 ROW2 ROW4 ROW3
CS1
VB-EN
J1
PA0 PA3 PA2 PA1 PA4 PA5 PA6 PA7 PB2 PB1 PB0 PB3 PB4 PB5 PB6 PB7 PE2 PE1 PE0 PE3 PE4 PE5 PE6 PE7
BEN
PCLK
RADIO PROCESSOR MODULE
+5V
SCL
COL1 COL7 COL6 COL5 COL4 COL3 COL2
RS
R/W
IN2L IN1L
DIM
CK
SDA
DB7
COL8
E
DB4 DB5 DB6
J2
PC0 PC3 PC2 PC1 PC4 PC5 PC6 PC7 PD2 PD1 PD0 PD3 PD4 PD5 PD6 PD7
STAT
RES
GND
U3-B
U3-AIN1 IN1L
IN2 IN2L
LCD MODULE
DB0
VBIAS
2
1
VDD
VSS
7
8
14
13
12
11
10
9
DB7
DB6
DB5
DB4
DB3
DB2
DB1
RS
R/W
E
6
5
4
3
LED
BACKLIGHT
A
K
16
15
5-6
1-2
3-4
7-8
9-10
11-12
13-14
15-16
17-18
19-20
21-22
23-24
25-26
27-28
29-30
31-32
J5
VBIAS
+5V
COM
DB7
DB6
DB5
DB4
RS
R/W
E
B+
K
CH 2
CH 3
MX029
CH 1
SERCLK
DATA
LE
A
B
A
1
2
3
1
2
U7-A
CS1
CK
SDA
VBIAS
+5V
LCD
BIAS
DB7
DB4
DB5
DB6
V-
S1 S2 S3 S5 S6 S7 S8S4
S9 S10 S11 S12 S13 S14 S15 S16
S17 S18 S19 S20 S21 S23S22 S24
4 x 8 KEYPAD
S29S28S27S26 S25
ROW1
ROW1
ROW1
COL1
ROW1
COL2
COL3
COL4
COL8
COL7
COL6
COL5
Keypad LED Back-light
LED Current
Limit
+-
On/Off
K
DIM
SWLED+

GE 12R II Series Specifications

General

Brand	GE
Model	12R II Series
Category	Radio
Language	English