HP X.25/9000 User's Guide HP-UX 11i v3 (5900-1523, August 2011)

2 Installation
Before you install the software
Before installing the X.25 link software, check the requirements below to make sure that all required
software and hardware has been correctly installed and configured.
NOTE: This product is only supported on the system that is acting as a server. It is not supported
on client systems.
Hardware requirements
This section describes the hardware requirements of the J2793B X.25 software for HP 9000 server
systems.
If you have not already done so, install the X.25 interface card as described in the hardware
installation guide for your X.25 product. If you are installing multiple X.25 cards, check the
requirements in “Installing multiple X.25 interface cards” (page 10) below.
If a modem connection is required, connect the X.25 card to the modem or the modem eliminator
either according to the modem vendor’s specification sheet, or the instructions provided by the
network provider.
Installing multiple X.25 interface cards
When installing multiple X.25 cards:
• Always install the cards in adjacent slots in ascending slot order.
• Always install X.25 cards with the system shut down.
• Do not skip slots between X.25 cards.
Hardware compatibility
• HP 9000 PCI bus
• PCIe/PCI-X/PCI-based Ethernet cards
The High Availability feature can run on:
• PCI hardware cards, Product Numbers J3525A (2-ports)
OS platform and version compatibility
The version of the X.25 link software you are installing must be compatible with the version of
HP-UX you are running (for example, HP-UX version 11i v3 for B.11.31.01)
• Disk space required to install: 7 Mb
• Software install with system up or down? Up
• Single-user state required or recommended? No
• Reboot? Yes
Memory
Your X.25 link supports a high number of virtual circuits operating at high baud rates. Since both
X.25 and the BSD sockets API may store a certain amount of data for each socket/circuit, HP
recommends that you check that your system has enough memory to handle the number of VCs
you plan to use. A few guidelines to help you are provided below.
10 Installation