This enabled Jetdirect cards to connect to almost any printer, making that printer network-capable. In 1992, a card with both 8P8C modular telephone and BNC connectors for Ethernet was released, and in 1993, the first external Jetdirects were introduced with a parallel interface. The next development releases added connection interfaces. Not until 1994 would MIO interface cards be released that could support more than one protocol per card.Įxternal print server JetDirect 170X with LAN and parallel printer ports These included unusual network connection types such as HPs I-Net which was used as an interconnect between various pieces of hardware that controlled the 58xx and 68xx series gas chromatographs.
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MIO type Jetdirect cards were also used for network connectivity on some HP/Agilent laboratory equipment such as the 6890A and 6890 Plus series of gas chromatographs. The following year the team applied the technology to the legacy accessory slot on the LaserJetIIs and IIIs XIO (Extended Input/Output).
Initially, a printer needed a separate card for each protocol, such as TCP/IP, IPX/SPX, AppleTalk, or DLC/ LLC. The initial MIO interface card had Ethernet and Token Ring physical layer variants and used various networking protocols over an AUI/ BNC connection.
#Hp jetdirect 170x external print server full#
Jetdirect is based on HP's MIO (Modular Input/Output) interface, which was designed from the ground up with the IIIsi to create a mainstream full function high performance networked printer. HP Jetdirect was first introduced in March 1991 (code named QuickSilver) with the LaserJet IIIsi network printer (code named Eli).
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