Card Type	Modem (asynchronous)
Chip Set	U.S. Robotics
Maximum Data Rate	1200bps
Data Bus	External
Data Modulation Protocol	Bell 103/212A

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		DC power		CN4
Line in		CN2		Power switch		SW1
RS-232/422		CN3

USER CONFIGURABLE SETTINGS
Setting	Label	Position
Factory configured	J1	Unidentified
10-bit character transmission	J2	Unidentified
11-bit character transmission	J2	Unidentified
Equalize for dial-up phone lines	J5	Unidentified
Equalize for dedicated phone lines	J5	Unidentified

ADDRESS SELECTION
Setting	S6/A	S6/B	S6/C	S6/D	J6
00/01	Off	Off	Off	Off	Off
0E/0F	Off	Off	Off	Off	On
10/11	Off	Off	Off	On	Off
1E/1F	Off	Off	Off	On	On
20/21	Off	Off	On	Off	Off
2E/2F	Off	Off	On	Off	On
30/31	Off	Off	On	On	Off
3E/3F	Off	Off	On	On	On
40/41	Off	On	Off	Off	Off
4E/4F	Off	On	Off	Off	On
50/51	Off	On	Off	On	Off
5E/5F	Off	On	Off	On	On
60/61	Off	On	On	Off	Off
6E/6F	Off	On	On	Off	On
70/71	Off	On	On	On	Off
7E/7F	Off	On	On	On	On
80/81	On	Off	Off	Off	Off
8E/8F	On	Off	Off	Off	On
90/91	On	Off	Off	On	Off
9E/9F	On	Off	Off	On	On
A0/A1	On	Off	On	Off	Off
AE/AF	On	Off	On	Off	On
B0/B1	On	Off	On	On	Off
BE/BF	On	Off	On	On	On
C0/C1	On	On	Off	Off	Off
CE/CF	On	On	Off	Off	On
D0/D1	On	On	Off	On	Off
DE/DF	On	On	Off	On	On
E0/E1	On	On	On	Off	Off
EE/EF	On	On	On	Off	On
F0/F1	On	On	On	On	Off
FE/FF	On	On	On	On	On
Note: J6 ‘Off’ position in table corresponds to ‘Up’ position on board. J6 ‘On’ position corresponds to ‘Down’ position.

MISCELLANEOUS TECHNICAL NOTES

Note: Diagram not available.