Tandy 102 Service Manual page 81

B-2-4. Cassette Interface
Pin No. Symbol
Description
1 REM 1 Remote
2
GND
3 REM 2 Remote
4 R x C
Receive data for CMT
5 T x C Transmit data for CMT
6
GND
7
NC
8
NC
Figure B-5. Cassette Connector
B-2-5. MODEM Interface
Pin No. Symbol Description
1 TL Conventional Telephone Unit
2
GND
3 R x MD Direct Connection to Tel Line (RING)
4 R x MC Acoustic Coupler Connection (MIC)
5
Tx MC
Acoustic Coupler Connection (Speaker)
6
VDD
7 Tx MD Direct Connection to Tel Line (TIP)
8 RP Ringing Pulse
Figure B-6. MODEM Connector
B-5