Nortel QMT12 ADM, Руководство пользователя

Страница: 56 / 82

Page 56 of 80 Features and services
553-2731-100 Standard 5.00 April 2000
Remote Peripheral Equipment
Description Remote Peripheral Equipment (RPE) allows the range of the
multiplexed loop between the common and peripheral equipment to be
extended beyond 50 ft (15 m). The peripheral equipment may then be placed
closer to the stations it serves and effectively increases the serving area of the
Meridian 1.
Outbound Modem Pooling (not AMP)
Description This configuration allows non dedicated, dial-up access to
voice-grade modems required for outgoing data calls to remote facilities over
analog trunks.
Each pooled modem consists of an odd-numbered port on a DLC connected
to a stand-alone ADM. The DLC port is assigned a DDN. The ADM is in turn
connected to a voice-grade modem. The modem is connected to a Line Card
(Modem Pool or regular) in the Meridian 1 PE.
Note: With the AMP feature, the regular QPC60 line card is always used
to establish a pooled modem. AMP in connection with the Dataport
Hunting feature is able to determine the ringing requirements. There is
also no need for the VFDN reference required with Manual Modem
Pooling.
The MPLC supports up to four ADMs. An MPLC (QPC353) port is required
for each asynchronous modem in an asynchronous modem pool. The MPLC
is assigned a VFDN which corresponds to the VFDN switch setting in the
ADM. This number is used to establish the outgoing call connection on the
analog side (to analog trunk) of the modem.
A regular line card (QPC60) supports up to four synchronous modems in a
synchronous outgoing modem pool.
To access the modem pool, a data station dials the DDN assigned to the
ADM.
When a modem pool consists of more than one stand-alone ADM/modem
pair, the hunting feature is used to provide users efficient modem pool access
through use of one pilot modem pool DDN (see “Hunting—Computer Ports
and Modem Pool (See Dataport Hunting)” on page 53).