2
Customer-Supplied Equipment
The following customer-supplied equipment is required to complete a data
communications system using Model 3830 modem:
A DTE with an available EIA-232-D serial port.
A standard EIA-232-D male-to-female cable with a male DB-25-S connector at one
end to attach to the modem.
An ac line cord with an IEC 320 connector and appropriate wall plug if using the
220-240V power transformer.
One of the following modular dial or leased network interfaces:
— RJ11C for dial permissive applications
— JM8 for leased-line applications only
Model 3830 Installation
Before installing your modem, read the
Important Safety Instructions
on page 15
.
Make sure your installation site is clean and well-ventilated. Allow space around the
modem for installing cables and telephone cords, and make sure the modem is located
within reach of the ac power outlet. The distance between your modem and DTE
should be minimized if DTE data rates exceed 19,200 bps. Also, low capacitance
cables may be necessary for speeds greater than 19,200 bps or distances greater than
50 feet.
The rear panel of the Model 3830 modem has the following switches and connectors:
An ON/Off power switch.
A 5-pin DIN type power receptacle for ac power transformer.
An 8-pin modular keyed jack for external telephone set use only.
An 8-pin modular keyed jack for dial (PSTN) lines or 2-wire leased lines.
A 25-pin DB-25-S receptacle for DTE interface.
