
Introduction
FACEPLATE
Status
Pwr
Alrm
142 Test
Dial
125 RI
Busy
Serv
SQ
103 TXD
104 RXD
105 RTS
106 CTS
107 DSR
108 DTR
109 LSD
Front Panel
Spkr
3921Plus
EIA232/V.24
EDGE CARD
CONNECTOR
FUTURE
USE
BACK
CONNECTOR
PLATE
EIA232/V.24
CONNECTOR
EIA232/V.24
GROUNDING
TAB
RS366A/V.25(3800) | V.35(3600/3500) | FUTURE | |
USE | |||
|
|
Figure 1-2. Model 3921Plus Singleport Modem
November 1996 |