A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
DRAWN BY: N1LTL
PHONE
LVL
PTT LED
PTT DRIVER
REMOTE BASE
REMOTE BASE
PTT LED
PTT DRIVER
MAIN
MAIN
COR LED
CAS/COR ISOLATION
REMOTE BASE
REMOTE BASE
DTMF 0
DATA
VALID
DTMF 1
DATA
VALID
LED ENABLE
+5V POWER SUPPLY
+3.3V POWER SUPPLY
INSTALL FOR
CH1817D ONLY
CAS/COR ISOLATION
MAIN
MAIN
COR LED
DTMF 2
DATA
VALID
N O T I C E
THIS DRAWING CONTAINS
P R O P R I E T A R Y I N F O RMATION WHICH
I S T H E C O N FIDENTIAL PROPERTY
C O P I E D , R E P RODUCED, DISCLOSED,
P U B L I S H E D O R USED IN PART OR
W H O LE WITHOUT THE EXPRESSED
O F N H R C LLC. IT SHALL NOT BE
W R I T T E N P E R M I SSION OF NHRC LLC.
S P E C I F I C A T IONS SUBJECT TO CHANGE
WITHOUT NOTICE OR OBLIGATION.
PHONE TX
AUDIO
AMP
+12V OK
REMOTE BASE
PL DECODE LED
MAIN PL
DECODE LED
BYPASS CAPS
OPTIONAL
DNP
DNP
TELCO
DNP
PCB REV B
FAN DRIVER
MAIN
PL DECODE
REMOTE BASE
PL DECODE
B
NHRC-10 (Autopatch / Switching)
1+5& 5HSHDWHU &RQWUROOHUV
444 Micol Road
Pembroke, NH 03275
603-485-2248
B
2
3
S u n d ay, November 28, 1999
http://www.nhrc.net
Title
Size
Document Number
Rev
Date:
Sheet
of
RB_PL_DEC
RB_CAS
PTT_ENABLE
RB_PTT_ENABLE
FAN_CONTROL
CAS
PL_DEC
DTMF2_DV
DTMF0_DV
DTMF1_DV
RB_COR
RB_PL_DET
FAN_OUT
RB_PTT
PTT
COR
PL_DET
P HONE_MAIN_RX_AUDIO
SPEECH_AUDIO
SPEECH_BUFF
DTMF_BUFF
DTMF_AUDIO
PHONE_OFF_HOOK
PHONE_AUDIO
PHONE_RING
+5V
+3.3V
+5V
+12V
VLED
VLED
VLED
VLED
VLED
VLED
VLED
VLED
VLED
VLED
+12V
VREF
VREF
VREF
VREF
VREF
VREF
+5V
+5V
+5V
+5V
+5V
+5V
+5V
C29
0.1uF
1
2
C41
0.1uF
1
2
JP2
JUMPER
1
2
D9
LED
GRN
1
2
J5
RJ11-2LC2-B
1
2
9
10
11
12
3
4
5
6
TIP
RING
SHIELD
SHIELD
SHIELD
SHIELD
NC
NC
NC
NC
C42
0.1uF
1
2
+
C27
100uF
1
2
R43
22K
1
2
C35
0.1uF
1
2
C48
0.1uF
1
2
R70
10K
1
2
R40
22K
1
2
C30
0.1uF
1
2
R79
470
1
2
Q11
2N7000
2
3
1
D11
LED
YEL
1
2
VR9
10K
1
3
2
R81
470
1
2
R23
100
1
2
D3
LED
RED
1
2
R22
10 / 1W
1
2
D4
LED
RED
1
2
R21
10 / 1W
1
2
R14
51K
1
2
Q4
IRF510
1
2
3
R72
1.2K
1
2
R25
51K
1
2
R74
470
1
2
R66
10K
1
2
R59
10K
1
2
R65
10K
1
2
R58
10K
1
2
Q8
2N3904
1
2
3
Q7
2N3904
1
2
3
+
C28
22uF
1
2
R47
33K
1
2
R46
22K
1
2
R8
100
1
2
R45
22K
1
2
R29
200K
1
2
D8
LED
GRN
1
2
+
C21
1uF
1
2
R68
10K
1
2
R77
470
1
2
+
C11
220uF
25V
1
2
Q3
IRF510
1
2
3
Q5
IRF510
1
2
3
R78
470
1
2
D5
LED
GRN
1
2
R71
10K
1
2
R37
100
1
2
R57
10K
1
2
Q9
2N3904
1
2
3
R56
10K
1
2
Q12
2N7000
2
3
1
-
+
U2A
TL062
2
3
1
8
4
Z1
ARRESTOR
1
2
3
R75
470
1
2
-
+
U2B
TL062
6
5
7
R69
10K
1
2
Q10
2N7000
2
3
1
D7
LED
RED
1
2
Q6
2N3904
1
2
3
D12
LED
YEL
1
2
D10
LED
YEL
1
2
C14
0.1uF
1
2
U8
LM7805T
1
3
2
IN
OUT
GND
R80
470
1
2
C17
0.1uF
1
2
R44
22K
1
2
R82
470
1
2
JP4
JUMPER
1
2
R67
10K
1
2
R41
TBD
1
2
F1
TR600-150
1
2
+
C34
22uF
1
2
R42
22K
1
2
-
+
U4B
TL064
6
5
7
D6
LED
GRN
1
2
DAA1
XE0017/CYG2217
5
8
3
4
1
2
9
7
6
RX
TX
OH
RI
TIP
RING
GND
VCC
TX-
R13
100K
1
2
C40
0.1uF
1
2
R76
470
1
2
U5
TC55RP3302EZB
2
1
3
VI
GND
VO
R26
100K
1
2
C49
0.1uF
1
2