INSTALLATIONS
20
VTC820 User’s Manual
Hard Disk Drive LED Connector: Pins 10 and 20
This connector connects to the hard drive activity LED on
control panel. This LED will flash when the HDD is being
accessed.
Pin #
Signal Name
10
HDD Active
20
5V
J3: Parallel Port Connector
The following table describes the pin out assignments of this connector.
Signal Name
Pin #
Pin #
Signal Name
Line printer strobe
1
14
AutoFeed
PD0, parallel data 0
2
15
Error
PD1, parallel data 1
3
16
Initialize
PD2, parallel data 2
4
17
Select
PD3, parallel data 3
5
18
Ground
PD4, parallel data 4
6
19
Ground
PD5, parallel data 5
7
20
Ground
PD6, parallel data 6
8
21
Ground
PD7, parallel data 7
9
22
Ground
ACK, acknowledge
10
23
Ground
Busy
11
24
Ground
Paper empty
12
25
Ground
J3
Select
13
N/A
N/A
Summary of Contents for VTC820
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