Factory-Installed Modem Card Layout - IBM 2283 Hardware Maintenance Service

Factory-Installed Modem Card
Layout
GVC Factory-Installed Modem Card Connector
ASKEY Factory-Installed Modem Card Connector
Functions
Item
1 Telephone
2 Line
Some modem adapters may
come without this jack.
120 IBM Desktop System HMM
Function Connect to...
Telephone set
Telephone line