Installation
Installation Procedure
060R115-000
DataComm V.34 PL Modem
2-3
Issue 1
Installation and Operation
Table 2-1
Option Jumpers
DTE Interface Cards
The DataComm V.34 PL has a built-in TIA/EIA-232-F (ITU-T V.24/V.28/ISO 2110) DTE
interface.
Installation Procedure
The DataComm V.34 PL mounts in a variety of DataComm enclosures and shelves. Locate the unit
in a ventilated area where the ambient temperature does not exceed 122°F (50°C). Do not install the
unit directly above equipment that generates a large amount of heat (such as power supplies).
Enclosure/Shelf Installation
You can install the DataComm V.34 PL in a standalone DataComm Enclosure, or you can
rackmount up to 16 units in a DataComm Shelf or Universal System Shelf (USS). To install a
specific enclosure or shelf, refer to the appropriate manual listed in
Safety Summary
located in the
Preface of this manual.
Modem Installation
You can install the DataComm V.34 PL in any unused slot in the enclosure or shelf. To install the
DataComm V.34 PL:
1. Insert the modem into its slot with the GDC logo on top (or to the right), then slide it in until it
makes contact.
2. Pull down the ejector tab (if provided) and firmly push the modem in until it seats in the rear
connectors.
Electrical Connections
Connections to the DataComm V.34 PL are dependent on the enclosure or shelf in which it is
installed. See
Figure 2-2
and
Figure 2-3
for connection details. Refer to
Table 2-2
for the pinout of
the 50-pin Telco VF connector which is available on the DataComm DS-6 shelf.
Jumper
Position
Description
X4
OPEN (default)
Opens frame (chassis) and signal (reference) grounds.
COM
Commons frame and signal grounds (connected through
fusible link FL1).
SEP
Separates (isolates) frame and signal grounds by 100 ohm.
X5
DIS (default)
MUST be in the DIS position.
X6
Jumper installed
(default)
Selects private line (four-wire or two-wire) only operation*.
X7
-
Not Used no jumper.
X8
-
Not Used no jumper.
X11
-
Not Used leave jumper in factory position.
X14
No Jumper (default)
MUST have no jumper installed.
X15
MP (default)
MUST be in the MP position.
*Applies only when the card is installed in a Shelf.
Summary of Contents for V.34 PL
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