8
February 2002
3920-A2-GK41-60
Connecting Cables to the Model 3920Plus Modem
Instructions for connecting cables to the TELCO jack types using the appropriate cables apply to both singleport
and multiport Model 3920Plus modems. Figure 4 illustrates the Model 3920Plus multiport modem. For pin
assignments, refer to Appendix C, Pin Assignments, in Document No. 3920-A2-GH30.
DTE 2
DTE 3
DTE 4
DTE 1
LEASED DIAL
NMS
PWR
ON OFF
!
DB-25-S CONNECTORS
8-POSITION,
8-CONDUCTOR
PLUG
8-POSITION,
8-CONDUCTOR
PLUG
DB-25-P
CONNECTOR
SUB-MINIATURE,
4-POSITION,
4-CONDUCTOR
PLUG
POWER
SUPPLY
POWER
CORD
495-14788
HUBBING
DEVICE
LEASED-LINE
NETWORK
DATA
TERMINAL
EQUIPMENT
DIAL
NETWORK
6-POSITION,
4-CONDUCTOR
PLUG
NETWORK
MANAGEMENT
SYSTEM
OR
LEASED BACKUP
Figure 4. Model 3920Plus Multiport Back Panel and Power Supply
