Paradyne COMSPHERE 3910 Installation Instructions Manual page 6

Users should ensure for their own protection that the electrical ground connections of the power utility, telephone
line and internal metallic water pipe system, if present, are connected together. This precaution may be
particularly important in rural areas.
The Load Number for this equipment is listed on page A of this manual. The Load Number (LN) assigned to each
terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the
device to prevent overloading. The termination on a loop may consist of any combination of devices subject only
to the requirement that the total of the Load Numbers of all devices does not exceed 100.
If your equipment is in need of repair, refer to the procedures described in the Government Requirements and
Equipment Return section.
391x Series Modem Package
After opening the modem's package, check for damage and verify that the following items are present:
For the standalone model
Installation instructions
Model 3910 modem
Power supply
One 6-position, 4-wire modular cord
One 8-position, 8-wire modular cord
For the carrier-mounted model
Installation instructions
Model 3911 modem
Rear connector plate with two DB-25-S edge card connectors
If any hardware components are damaged, notify your sales representative. Return equipment using the
procedures described in the Government Requirements and Equipment Return section.
Users should not attempt to make such connections
themselves, but should contact the appropriate electric
inspection authority, or electrician, as appropriate.
CAUTION
6