Equipment description
Page 25 of 80
Meridian Data Services
Description
Modem Pool ADM
The ADM may be configured as modem pools (see “Features and services”
on page 49). The Outbound Modem Pool is accommodated by outgoing
standard voice grade or conditioned lines and provides for asynchronous or
synchronous transmission. The Inbound Modem Pool supports synchronous
modems to single hosts. Only asynchronous modems are supported for access
to multiple or remote hosts. Modem pools of different types (speed or
transmission mode) must be kept separate.
Note: Offices that are equipped with the AMP feature do not require
separate inbound and outbound modem pools. The other pooling
requirements still apply.
User controls, indicators, and settings
The ADM has three key/lamp data call controls and three transmission and
one power status lamp indicators, plus user-selectable transmission speed and
parameter option switches.
The ADM contains internal option switches and jumpers selected according
to customer configuration, and a switch for setting the Voice Frequency
Directory Number (VFDN). The VFDN is used to set up the connection
through the Meridian 1 from the analog side of the pooled modem to the
outgoing trunk.
The location of all ADM controls, indicators, and option selectors is shown
in Figure 7. All controls and indicators are described in Table 1. Both option
selectors, the speed-setting knob, and option switches are described in
Table 2.
Configurations
Each ADM is entered in the Meridian 1 office data in the same manner as an
SL-1 telephone, using LD 11. Instructions for assigning DDN, data hunt
groups, and key/lamp features are included in X11 Administration
(553-3001-311).
