Model 3921Plus Multiport Modem - Paradyne COMSPHERE 3920PLUS Installation And Operation Manual

COMSPHERE 392xPlus Modems
Status
Pwr
Alrm
142 Test
Dial
125 RI
Busy
Serv
SQ
1 3
Port
2 4
103 TXD
104 RXD
105 RTS
106 CTS
107 DSR
108 DTR
109 LSD
Front Panel
Spkr
3921 Plus
1-6
FACEPLATE
Figure 1-3. Model 3921 Plus Multiport Modem
November 1996
EDGE CARD
CONNECTORS
BACK
CONNECTOR
PLATES
PORT
1
PORT
3
PORT
2
PORT
4
49614423a-03
3920-A2-GN31-30