System Connector Interface; System Connector - Nokia RH-6 Series Baseband Description & Troubleshooting

RH-6
6 - BB Description & Troubleshooting

System Connector Interface

System connector

The system connector in RH-6 (and several other DCT-4 products) is called Pop-Port Sys-
tem Connector (unofficial name: "Tomahawk"). It is a galvanic interface between phone
and accessories.
Compared with previous system connector versions, four new functions are introduced
with the Pop-port system connector interface:
• Accessory Control Interface (ACI)
• Power Out
• Stereo audio output
• Universal Serial Bus (USB).
USB functionality and stereo audio output of the Pop-port are not supported in RH-6.
Note: MBUS function, (included in previous accessory interfaces, e.g. DCT-3) is no more
supported by Pop-port interfaces.
Pop-port system connector is mechanically and electrically not backward compatible
with any earlier Nokia accessory interfaces, except the charger connector.
Pin #
1
2
3
4
5
6
7
8
9
10
Page 36
Company Confidential
Figure 18: Pop Port System Connector
Table 17: System connector interface description
Signal
VCHAR
GND Charge ground
ACI Insertion & removal detection /
Serial data bi-directional 1 kbit/s
Vout
Not used in RH-6
FBUS_RX Serial data from accessory to phone / 115 kbit/s
FBUS_TX Serial data from phone to accessory / 115 kbit/s
GND Data ground
XMIC N Negative audio in signal
XMIC P Positive audio in signal
© 2003 Nokia Corporation.
CCS Technical Documentation
Notes
Issue 1 10/2003