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IPDS printing environment
5-2 System Overview Guide
The NPS/IPS can be set up to receive data from the IBM host in
one of two ways:
• Through a bus and tag channel connection.
NOTE: If your system will be channel-attached, the printer
controller requires an additional component—either a
channel interface board and channel cable connector box, or
a Host Channel Unit (HCU) that serves as an interface
between the IBM host and the printer controller.
• Through a Token Ring or Ethernet interface using TCP/IP.
NOTE: Your system supports only one other connectivity
option in addition to Ethernet. For example, Ethernet and
channel connection or Ethernet and Token Ring.
NOTE: A transmission rate of at least 16 megabits per
second should be used with a Token Ring interface. (Overall
performance depends on network traffic and job density.)
Figure 5-1. Printing system: channel-attached configuration
1. Host system (PC or mainframe)
2. Printer
3. Printer interface cables
4. Printer controller
5. Internal channel cable
6. Host Channel Unit (HCU)
7. Bus and tag cables
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IBM
Host