Teac GX-1, Инструкция по эксплуатации

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Specifications
4-11
■
SCSI Connector
Connector on GX-1 main unit : NHS050-022-BS2 from
Yamaichi Electronics Co., Ltd.
Pin number Signal name Pin number Signal name
1—11 GND 36 GND
12 37
13 38 TP
14 39
15—25 GND 40 GND
26 D0 41 ATN
27 D1 42 GND
28 D2 43 BSY
29 D3 44 ACK
30 D4 45 RST
31 D5 46 MSG
32 D6 47 SEL
33 D7 48 C/D
34 DP 49 REQ
35 GND 50 I/O
Connector Specifications
■
DIGITAL CONTROL Connector
Connector on GX-1 main unit : DX10G1M-36 from Hirose Electric Co.,
Ltd.
Mating plug : DX40M-36P(03) from Hirose Electric Co., Ltd.
Case cover : DX30M-36-CV from Hirose Electric Co., Ltd.
Pin number Signal name Signal type Level I/O
1 IRIG IRIG input IRIG I
2—17 Not used
18 EXCLK External sampling clock TTL I
19—33 Not used
34—36 GND
Note: TTL input: pulled-up by 4.7 k
Ω
●
External sampling clock specifications
High level: 3.3 to 5.0 V
Low level: 0 to 0.8 V
Rise time (tr): 500 ns or less
■
ER-GXRC Connector
Connector on GX-1
Main unit :
DX10G1M-14SE from Hirose Electric
Co., Ltd.
Mating plug : DX30AM-14P from Hirose Electric
Co., Ltd.
Case cover : DX30M-14-CV from Hirose Electric
Co., Ltd.
Pin Signal
I/O
Pin Signal
I/O
number name number name
1 START I 8 START LED O
2 STOP I 9 STOP LED O
3 EVENT I 10 EVENT LED O
4 REC I 11 REC LED O
5 12
6 13
7 GND 14 GND
Input: TTL, pulled-up by 4.7 k
Ω
Output: CMOS, current limited by 1 k
Ω
1
2 3
4
＋ −
■
DC IN Connector
3.3 V
0.8 V
tr
HIGH
LOW
+5 V
18
4.7 k
Ω
1 k
Ω
74LV14
Input circuit
No overshoot/undershoot
No chattering
Duty: 50%±10%
Frequency: Fixed: 200 kHz or lower
Sweep mode: 20 kHz or lower
Sampling timing: At rising edge