NetPerformer SDM-8400 Hardware Installation Guide
6-2 Memotec
6.1 Serial Port
4 or 8 serial ports for WAN/user traffic:
• HD-26 female connector
• Asynchronous speeds: 300 bps to 115.2 Kbps
• Synchronous speeds: 1200 bps to 6 Mbps (6144 Kbps) without data compression;
896 Kbps link port maximum speed with data compression
For further details concerning the serial port, turn to “WAN/User Port Specifications” on
page 6-4.
6.2 Custom HD-26 Cable
The serial ports require a custom-made HD-26 male cable, which can be ordered from
Memotec or your NetPerformer distributor. For ordering information, refer to “Sales
Contacts” on page 1-2.
The required cable depends on the interface and gender of the attached equipment. Twelve
custom HD-26 serial cable models are available:
• V.35/V.11 DCE, V.35/V.11 DTE (for details see “V.35/V.11 Cables” on page 6-5)
• TIA-232 (V.24) DCE, TIA-232 (V.24) DTE (see “TIA-232 (V.24) Cables” on
page 6-5)
• X.21 DCE, X.21 DTE, with 4-40 screw on the DB-25 connector (see “X.21
Cables” on page 6-5)
• X.21 EU DCE, X.21 EU DTE, with metric M3 screw on the DB-15 connector
(see “X.21 EU Cables” on page 6-6)
• TIA-449 (V.36) DCE, TIA-449 (V.36) DTE (see “TIA-449 (V.36) Cables” on
page 6-6)
• TIA-530 DCE, TIA-530 DTE (see “TIA-530 Cables” on page 6-6).
All cables are 1.8 meters (6 feet) long, and have HD-26 male connectors at one end. At the
other end:
• A male connector indicates that the cable is DTE and that it connects to a DCE
device (a modem, for example).
• A female connector indicates that the cable is DCE and that it connects to a DTE
device (a terminal or another NetPerformer, for example).
NOTE: When ordering a cable for the serial port, make sure you specify the
correct gender.
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