I/O Adapters and Controllers 309I/O Adapters and Controllersrequired. This IOA is a direct replacement for the #2722. Feature #2746 requires V4R4 orlater, and can be installed in either high or low speed slots.#2750 PCI ISDN BRI U IOAThe #2750 is a 4-port (8-channel) ISDN BRI (basic rate interface) full-sized PCI card. Basedon the latest DSP technology, the #2750 allows connections to fax or data modemsconnected to the telephone network with analog phone lines as well as to other IDSNdevices. Each port consists of 2B+D configuration. The #2750 is the “U”-bus (2 wire) versionIOA.• For data mode support, B-channel supports digital data at 64 Kbps.• For modem mode support, B-channel supports V.90 and lesser modulations.A wrap cable/plug and four 30-foot RJ-45 to RJ-45 network cables are shipped with eachcard.The #2750 IOA supports full duplex mode. It supports the PPP, IDLC, and Fax protocols.This feature requires country certification or homologation.#2751 PCI ISDN BRI S/T IOAThe #2751 is a 4-port (8-channel) ISDN BRI (basic rate interface) full-size PCI card. Basedon the latest DSP technology, the #2751 allows connections to fax or data modemsconnected to the telephone network with analog phone lines, as well as to other IDSNdevices. Each port consists of 2B+D configuration. The #2751 is the “S/T”-bus (4 wire)version IOA.• For data mode support, the B-channel supports digital data at 64 Kbps.• For modem mode support, the B-channel supports V.90 and lesser modulations.A wrap cable and plug and four 30-foot RJ-45 to RJ-45 network cables are shipped with eachcard.The #2751 IOA supports full duplex mode. It supports the PPP, IDLC, and Fax protocols.This feature requires country certification or homologation.#2761 Integrated Analog ModemBased on the latest DSP technology, the #2761 allows the modem function to be integratedinto the IOA and supports multiple analog modem ports (eight phone lines). Each linesupports V.90 and lesser modulations. The #2761 IOA supports full duplex mode.A wrap cable/plug and eight 30-foot UTP phone cables are shipped with each card.
