Serial Interfaces; Microphone Connector; Headphone Connector - Compaq Deskpro EN Series Maintenance & Service Manual

Serial Interfaces

Connector and Icon
1 2 3 4
6 7 8
Monitor
Connector
5 4 3 2
10 9 8
15 14 13 12 11
* For DDC support (I 2 C monitors)

Microphone Connector

Connector and Icon (Blue)

Headphone Connector

Connector and Icon
A-2 Connector Pin Assignments
5
9
1
7 6
Pin Signal
1 Carrier Detect
2 Receive Data
3 Transmit Data
4 Data Terminal Ready
5 Signal Ground
6 Data Set Ready
7 Request to Send
8 Clear to Send
9 Ring Indicator
Pin Signal
1 Red Analog
2 Green Analog
3 Blue Analog
4 Monitor ID Bit2
5 Ground
6 Ground Analog
7 Ground Analog
8 Ground Analog
9 Not Connected
10 Ground
11 Monitor ID Bit 0
12 Bidirectional Data (SDA)*
13 Horizontal Sync
14 Vertical Sync
15 Data Clock (SCL)*
Pin Signal
Inside Data
Outside Ground
Pin Signal
Inside Data
Outside Ground