Data Terminal Equipment Connection; Power Supply Connection (3920-A1-Xxx); Power Supply Connection (3920-A2-Xxx) - Paradyne COMSPHERE 3920Plus Technical Reference Manual

COMSPHERE 392xPlus Modems

Data Terminal Equipment Connection

Use the following steps to connect an EIA-232-D cable from the modem to a DTE:
DTE rates above 19.2 bps require cable lengths less than fifty feet as specified by
the RS323 standard.

Power Supply Connection (3920-A1-xxx)

Use the following steps to connect the modem to an ac power outlet:

Power Supply Connection (3920-A2-xxx)

Use the following steps to connect the modem to an ac power outlet:
2-6
1. Make sure the modem is powered OFF.
2. Connect the DB-25-P (plug) connector on the cable to the first or only DB-25-S (socket)
connector (Figure 2-1 or 2-2) on the modem's back panel, labeled DTE 1. Use a small
screwdriver to secure the cable to the modem.
3. For multiport modems, connect cables similarly to DTE 2 through DTE 4.
4. For each port, connect the DB-25-P connector on the other end of the cable to the DB-25-S
connector on the DTE. Use a small screwdriver to secure the cable to the DTE.
1. Make sure the modem is powered OFF.
2. Insert the power supply's 8-pin DIN connector into the modem's back panel dc power
receptacle, labeled PWR
3. Connect the power cord to the power supply.
4. Connect the power cord to a grounded ac power outlet.
1. Make sure the modem is powered OFF.
2. Insert the power supply's cylindrical connector into the modem's back panel dc power
receptacle, labeled PWR
3. Connect the power module to an ac power outlet.
NOTE
(Figure 2-2).
(Figure 2-1).
October 1998 3920-A2-GH30-40