HP Z800 - Workstation - 6 GB RAM Maintenance And Service Manual page 246

Workstation serial
Workstation USB
Workstation IEEE-1394a
Microphone cable (1/8 inch)
234 Appendix A Connector pins
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 +5 VDC
2 - Data
3 + Data
4 Ground
Pin Signal
1 Power
2 GND
3 TPB-
4 TPB+
5 TPA-
6 TPA+
Pin Signal
1 (Tip) Audio
2 (Ring) Power
3 (Shield) Ground
ENWW