6-14
Pin
No.
Pin Name
Signal
Name
I/O
Description
Input
Type
Output
Type
90
EYEY
O
Serial eye pattern Y output
OA
91
GP21
I/O
General purpose input
IA
OB
92
OVD2
GND
GND Connect to digital ground
93
GP20
I/O
General purpose input
IA
OB
94
GP19
I/O
General purpose input
IA
OB
95
RXD
O
Received data
OA
96
/RLSD
O
Received line signal detected
OA
97
OVD2
GND
GND Connect to digital ground
98
RCV0
R
Mode select output
99
SWGAINO
R
Connect to SWGAINI
100
GP02
RELAY
O
General purpose input/output
IA
OB
Notes:
I/O types:
IA, IB, IC, ID= Digital input.
OA, OB, OC, OD= Digital output.
I(DA)= Analog input.
O(DD), O(DF)= Analog output.
R Types
Required overhead connection; no connection to host equipment
Figure 6-5 Digital Interface Characteristics
Parameter
Symbol
Min.
Typ.
Max.
Units
Test Condition
Input High Voltage
VIH
V
Types IA and IB
2.0
-
Vcc
Types IC and ID
0.8*Vcc
-
Vcc
Input High Current
IIH
£ g
A Vcc=5.25V, Vin=5.25V
Type IB
-
-
40
Type IC
-
-
2.5
Input Low Voltage
VIL
V
Vdc
Type IA, IB, ID
-0.3
-
0.8
Type IC
-0.3
-
0.2*Vcc
Input Low Current
IIL
£ g
A Vcc= 5.25V
Types IB and IC
-
-
-400
Input Leakage Current
IIN
£ g
A VIN= 0 to +5V
Type IB
-
-
¡ Ó
2.5
Vcc= 5.25V
Содержание TF-300P
Страница 1: ...I TF 300P Field Service Manual Ver 02 July 8 1999 TTIC...
Страница 12: ...1 7 1 3 General Appearance 1 3 1 Appearance 1 3 2 Show the operation panel...
Страница 29: ...5 2 5 2 General Mechanical Structure The general mechanical structure of the FAX machine is shown...
Страница 84: ...7 23 Check the status of C24 C25 C26 R32 R34 L11 and L12 Check the Microphone inside handset...
Страница 100: ...9 1 9 MECHENICAL DRAWING AND PARTS LIST...
Страница 101: ...9 2...
Страница 102: ...9 3...
Страница 103: ...9 4...
Страница 104: ...9 5...
Страница 105: ...9 6...
Страница 106: ...9 7...
Страница 107: ...9 8...
Страница 108: ...9 9...
Страница 109: ...9 10...
Страница 110: ...9 11...
Страница 111: ...9 12...
Страница 112: ...9 13...
Страница 113: ...9 14...
Страница 114: ...9 15...
Страница 115: ...9 16...
Страница 116: ...10 1 10 CIRCUIT DRAWING...
Страница 117: ...10 2...
Страница 118: ...10 3...
Страница 119: ...10 4...
Страница 120: ...10 5...
Страница 121: ...10 6...
Страница 122: ...10 7...
Страница 123: ...10 8...
Страница 124: ...10 9...
Страница 125: ...10 10...
Страница 126: ...10 11...
Страница 127: ...10 12...
Страница 128: ...10 13...
Страница 129: ...10 14...
Страница 130: ...10 15...
Страница 131: ...10 16...
Страница 132: ...10 17...
Страница 133: ...10 18...
Страница 134: ...10 19...
Страница 135: ...10 20...
Страница 136: ...10 21...
Страница 137: ...10 22...