AT&T 518-600-016 manual Modem Pools

LOCAL HOST COMPUTER ACCESS

Local host computer access allows shared use of the host computer through Modular Processor Data Modules

(MPDMs). The MPDMs may have different data rates or the same rate, each set to a data rate of 19,200 bps or less. Refer to the connectivity diagram in Figure 1-13.

MODEM POOLS

Modem pools are groups of modems and associated equipment used to convert digital data signals to analog data signals or vice versa. Putting modems in pools makes it easier for users to share a limited number of modems. Each modem pool is used exclusively for either incoming or outgoing calls.

Connected to Basic Telephone Jack

Connected to Analog Station Jacks

Connected to Dedicated Outside Lines

The modem pool members use available basic telephone jacks to send data between digital endpoints and remote computers over MERLIN II system lines. Refer to the connectivity diagram in Figure 1-14.

The modern pool members use available analog station jacks to send data between digital endpoints and remote computers over MERLIN II system lines. Refer to the connectivity diagram in Figure 1-15.

The modem pool members use dedicated outside lines to send data betwecn digital endpoints and remote computers. This type of modem pool would likely be used if thcrc were many data calls to remote computers in order to save the MERLIN II system lines for voice use. Refer to the connectivity diagram in Figure 1-16.

1-54 System Connectivity