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COMSPHERE 3800Plus Modems
3-2 November 1996 3980-A2-GB30-20
— 50-pin to modular cable (JM8) for leased line
applications
• One 6-position to 6-position modular cord (required
for network management applications).
• A Shared Diagnostic Control Panel (SDCP).
If the modem is to be managed by a network
management system, an SDU must be supplied and
properly connected to the network management controller.
For proper network management connection to the SDU,
refer to the appropriate network management system
user’
s guide.
For installation of the 3000 Series Carrier into a
cabinet, refer to the
COMSPHERE 3000 Series Carrier
,
Installation Manual.
3811
Plus
Modem Installation
The 3811Plus modem is designed for installation in a
COMSPHERE 3000 Series Carrier which supplies
operating power and the dial and/or leased-line network
connections.
For correct power, DTE, dial-line,
leased-line, NIM, and network management cabling
information, refer to the
COMSPHERE 3000 Series
Carrier, Installation Manual.
496-14488-02
TXD
RXD
RTS
CTS
DSR
DTR
LSD
103
104
105
106
107
108
109
Pwr
Alrm
Test
Dial
RI
Busy
Serv
SQ
Status
Front Panel
3811
Plus
142
125
Spkr
Faceplate
EIA232/V.24
Edge Card
Connector
EIA232/V.24
Connector
Unused
V.35
(3600/3500)
RS366A/V.25
(3800)
EIA232/V.24
Rear
Connector
Plate
Figure 3-1. 3811
Plus
Modem