IBM Aptiva 2170 Hardware maintenance service manual - page 189
Manual is about: Hardware Maintenance Service
for Service Level A IBM Monitors 2235; 2236; 2237
of
252
155
Factory-Installed Modem Card Layout
GVC --Non Voice
GVC-Voice
NOTE: Care should be taken while connecting the voice-in/speaker-out
connector. The longer exposed end (about 15mm) of the cable should
be connected to the modem card. The other end should be connected to
the system board.
GVC Factory-Installed Modem Card Connector Functions
Item
Function
Connect to...
1
Telephone line-in
Telephone line
2
Telephone line-out
Some modem adapters may come
without this jack.
Telephone set
3
Voice-in/speaker-out connector
System board
Machine Type 2170: CN21
Machine Type 2171 and 2172:
CN12