I/O Adapters and Controllers 309
I/O Adapters and Controllers
required. This IOA is a direct replacement for the #2722. Feature #2746 requires V4R4 or
later, and can be installed in either high or low speed slots.
#2750 PCI ISDN BRI U IOA
The #2750 is a 4-port (8-channel) ISDN BRI (basic rate interface) full-sized PCI card. Based
on the latest DSP technology, the #2750 allows connections to fax or data modems
connected to the telephone network with analog phone lines as well as to other IDSN
devices. Each port consists of 2B+D configuration. The #2750 is the “U”-bus (2 wire) version
IOA.
• 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 each
card.
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 IOA
The #2751 is a 4-port (8-channel) ISDN BRI (basic rate interface) full-size PCI card. Based
on the latest DSP technology, the #2751 allows connections to fax or data modems
connected to the telephone network with analog phone lines, as well as to other IDSN
devices. 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 each
card.
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 Modem
Based on the latest DSP technology, the #2761 allows the modem function to be integrated
into the IOA and supports multiple analog modem ports (eight phone lines). Each line
supports 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.
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