Connector Specifications - Teac GX-1 Instruction Manual

Connector Specifications

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
12
13
14
15—25 GND
26 D0
27 D1
28 D2
29 D3
30 D4
31 D5
32 D6
33 D7
34 DP
35 GND
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 Pin
I/O
number name number
1 START I 8
2 STOP I 9
3 EVENT I 10
4 REC I 11
5 12
6 13
7 GND 14
Input: TTL, pulled-up by 4.7 kΩ
Output: CMOS, current limited by 1 kΩ
DC IN Connector
＋
1
2
Connector on GX-1 main unit : DX10G1M-36 from Hirose Electric Co.,
Mating plug : DX40M-36P(03) from Hirose Electric Co., Ltd.
Case cover : DX30M-36-CV from Hirose Electric Co., Ltd.
36 GND
Pin number Signal name Signal type
37
38 TP
39
2—17
40 GND
41 ATN
19—33
42 GND
43 BSY 34—36
44 ACK
45 RST
46 MSG
47 SEL
External sampling clock specifications
48 C/D
49 REQ
50 I/O
Signal
I/O
name
START LED O
STOP LED O
EVENT LED O
REC LED O
GND
−
4
3
DIGITAL CONTROL Connector
Ltd.
1 IRIG IRIG input
Not used
18 EXCLK External sampling clock
Not used
GND
Note: TTL input: pulled-up by 4.7 kΩ
High level: 3.3 to 5.0 V
Low level: 0 to 0.8 V
Rise time (tr): 500 ns or less
3.3 V
0.8 V
tr
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
Input circuit
+5 V
4.7 kΩ
1 kΩ
18
Specifications
Level I/O
IRIG I
TTL I
HIGH
LOW
74LV14
4-11