
Connector Pin Assignments
D.7 Sound Connector
D.7 Sound Connector
A 4-wire Modular Jack is provided for connection to an external telephone
handset or headset. Note that a telephone should not be connected to this jack.
The connection is intended for the external speaker and microphone that are
contained in the headset. The headset or handset are connected to the sound
jack with a 4-wire cable with 2 twisted pairs. The following table shows the
pinout for the sound jack.
Table D–7 Sound Connector
Pin
Signal
Function
1
Audio In 1
Audio input
2
Audio Out 1
Audio output (+)
3
Audio Out 2
Audio output (-)
4
Audio in 2
Audio Input ground
D.8 Loopback Connector Pin Assignments
Table D–8 Summary of Loopback Connectors
Function
Standard/
Unique
Part Number
Option Number
Communications loopback
connector
Standard
12-15336-13
H3200
ThickWire loopback connector
Standard
12-22196-02
NA
ThinWire T-connector
Standard
12-25869-01
H8223
ThinWire terminator
Standard
12-26318-01
H8225
Table D–9 Ethernet Loopback Connector Pin Assignments, Part #12-22196-02
From
Pin No.
Signal
To
Pin No.
Signal
Description
P6-3
TRA+
P6-5
REC+
Through capacitor
P6-10
TRA–
P6-12
REC–
Through capacitor
P6-13
PWR
P6-6
RET
Through resistor and LED
Connector Pin Assignments D–9