DOWNLOAD Panasonic KX-NT400RU Service Manual ↓ Size: 4.33 MB | Pages: 108 in PDF or view online for FREE

Model
KX-NT400RU
Pages
108
Size
4.33 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / IP PROPRIETARY TELEPHONE
File
kx-nt400ru.pdf
Date
PREV: Panasonic KX-NT366RU / KX-NT366RU-B (serv.man2) Service Manual / Supplement

Panasonic KX-NT400RU Service Manual ▷ View online

85
KX-NT400RU
13.1.4. IC107 (MAC/PHY)
Pin.No. 
Terminal Name
I/O Setting
Contents of Control
Remark 
1
P1LED2
O
Port1 LED Indicator 
2
P1LED1
O
Port1 LED Indicator 
3
P1LED0
O
Port1 LED Indicator 
4
P2LED2
O
Port2 LED Indicator 
5
P2LED1
O
Port2 LED Indicator 
6
P2LED0
O
Port2 LED Indicator 
7
DGND7
-
Digital ground
8
VDDIO9
-
3.3V digital VDD 
9
NC9
I
No connect
Internal pullup 
10
NC10
I
No connect
Internal pullup 
11
NC11
I
No connect
Internal pullup 
12
ADVFC
I
flow control advertizing via auto negotiation 
Internal pullup 
13
P2ANEN
I
Port2 auto negotiation enable
Internal pullup 
14
P2SPD
I
Port2 speed select
Internal pulldown 
15
P2DPX
I
Port2 duplex select
Internal pulldown 
16
P2FFC
I
Port2 flow control select
Internal pulldown 
17
NC17
O
No connect
18
NC18
I
No connect
Internal pulldown 
19
NC19
I
No connect
Internal pulldown 
20
P2LED3
O
Port2 LED Indicator 
21
DGND21
-
Digital ground
22
VDDC22
-
1.2V digital VDD 
23
LEDSEL1
I
LED display mode select
Internal pulldown 
24
NC24
O
No connect
25
P1LED3
O
Port1 LED Indicator 
26
RMII_EN
O
No connect
27
HWPOVR
I
Hardware pin overwrite
Internal pulldown 
28
P2MDIXDIS
I
Port2 Auto MDI/MDI-X select
Internal pulldown 
29
P2MDIX
I
Port2 MDI/MDI-X select
Internal pulldown 
30
P1ANEN
I
Port1 auto negotiation enable
Internal pullup 
31
P1SPD
I
Port1 speed select
Internal pulldown 
32
P1DPX
I
Port1 duplex select
Internal pulldown 
33
P1FFC
I
Port1 flow control select
Internal pulldown 
34
NC34
I
No connect
Internal pulldown 
35
NC35
I
Ground
Internal pulldown 
36
PWRDN
I
Power down input
Internal pullup 
37
AGND37
-
Analog ground
38
VDDA38
-
1.2V analog VDD 
39
AGND39
-
Analog ground
40
MUX1
I
Factory test pin
No connect 
41
MUX2
I
Factory test pin
No connect 
42
AGND42
-
Analog ground
43
VDDA43
-
1.2V analog VDD 
44
FXSD1
I
Set physical transmit output current 
45
RXP1
I/O
Physical receive or transmit signal(+) 
46
RXM1
I/O
Physical receive or transmit signal(-) 
47
AGND47
-
Analog ground
48
TXP1
I/O
Physical transmit or receive signal(+) 
49
TXM1
I/O
Physical transmit or receive signal(-) 
86
KX-NT400RU
50
VDDATX
-
3.3V analog VDD 
51
VDDARX
-
3.3V analog VDD 
52
RXM2
I/O
Physical receive or transmit signal(-) 
53
RXP2
I/O
Physical receive or transmit signal(+) 
54
AGND54
-
Analog ground
55
TXM2
I/O
Physical transmit or receive signal(-)  
56
TXP2
I/O
Physical transmit or receive signal(+)
57
VDDA57
-
1.2V analog VDD 
58
AGND58
-
Analog ground
59
TEST1
I
Factory test pin
No connect 
60
TEST2
I
Factory test pin
No connect 
61
ISET
O
physical output current set  
62
AGND62
-
Analog ground
63
VDDAP
-
MII Carrier Sense Output 
64
AGND64
-
Analog ground
65
X1
I
25MHz crystal clock connection 
66
X2
O
25MHz crystal clock connection 
67
RST_N
I
Hardware reset pin 
68
UNUSED68
I
Unused pin
External pullup
69
UNUSED69
I
Unused pin
External pullup
70
LEDSEL0
I
LED display mode select
External pulldown
71
SMTXEN
I
MII transmit enable 
72
SMTXD3
I
MII transmit data bit3 
73
SMTXD2
I
MII transmit data bit2 
74
SMTXD1
I
MII transmit data bit1 
75
SMTXD0
I
MII transmit data bit0 
76
SMTXER
I
MII transmit error 
77
SMTXC/REFCLK
O
MII transmit clock 
78
DGND78
-
Digital ground
79
VDDIO79
-
3.3V digital VDD 
80
SMRXC
O
MII Receive clock 
81
SMRXDV
O
MII Receive Data valid 
82
SMRXD3
O
MII Receive Data bit3
83
SMRXD2
O
MII Receive Data bit2
84
SMRXD1
O
MII Receive Data bit1 
85
SMRXD0
O
MII Receive Data bit0
86
SCOL
O
MII collision detect 
87
SCRS
O
MII carrier sense 
88
SCONF1
I
MII configuration
External pulldown
89
SCONF0
I
MII configuration
External pullup
90
DGND90
-
Digital ground
91
VDDC91
-
1.2V digital VDD 
92
UNUSED92
I
Unused pin
External pulldown
93
UNUSED93
I
Unused pin
External pulldown
94
MDC
I
MII management interface clock 
95
MDIO
I/O
MII management interface data 
96
SPIQ
O
SPI data output
97
SCL
I
SPI clock input
98
SDA
I
SPI data input
99
SPIS_N
I
SPI chip select
100
PS1
I
Serial bus configuration
External pullup
87
KX-NT400RU
13.1.5. IC120 (LED driver)
Pin.No. 
Terminal Name
I/O Setting
Contents of Control
Remark 
1
VDET
I
Voltage detect
2
NC
-
No connect
3
GND1
-
Ground
4
SW
O
Gate control of switching transistor 
5
SENSEP
I
Over current detection(+) 
6
TEST
I
Test input
7
SENSEN
I
Over current detection(-)
8
GND2
-
Ground
9
ISETH
I
Current setting for PWMDRV = “H” 
10
ISETL
I
Current setting for PWMDRV = “L” 
11
PWMDRV
I
PWM input for Driver 
12
LED1
I
Sink terminal for current driver 
13
LED2
I
Sink terminal for current driver 
14
LED3
I
Sink terminal for current driver 
15
GND3
-
Ground
16
LED4
I
Sink terminal for current driver 
17
LED5
I
Sink terminal for current driver 
18
LED6
I
Sink terminal for current driver 
19
FAILSEL
I
MII Receive Clock Output 
20
GND4
-
Ground
21
RSTB
I
Reset input
22
VREG
O
Regurator output
23
PWMPOW
I
PWM input for power on/off 
24
VBAT
I
Voltage supply
88
KX-NT400RU
13.1.6. IC7 (PoE)
Pin.No. 
Terminal Name
I/O Setting
Contents of Control
Remark 
1
ITH/RUN
I
Current threshold/Run input 
2
PGND2
-
PoE ground
3
NGATE
O
Gate driver output
4
PVCC
-
PoE VCC
5
RCLASS
I
Class select input 
6
NC6
-
No connection
7
VPORTN
I
Negative power input
8
NC8
-
No connection
9
NC9
-
No connection
10
POUT
O
Power output
11
nPWRGD
O
Power good output
12
SIGDISA
I
Signature disable input 
13
VPORTP
I
Positive power input 
14
SENSE
I
Current sense
15
PGND15
-
PoE ground
16
VFB
I
Feedback input
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