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CHAPTER 6: EPS Configuration
refer to both physical ports. For example, you might want an AppleTalk
service named “LAB_APPLE” and a NetWare service named “NETW_LASER,”
both pointing to the serial port on the EPS. Both queues will accept jobs
simultaneously, and jobs from both queues will print on the serial port in the
order in which they were queued.
There are five major attributes for a service. All are settable via the
SET/DEFINE SERVICE command. You can view current configuration via
the SHOW/LIST SERVICE LOCAL CHARACTERISTICS command.
• Each service has a name that shows up under each protocol. In the
examples above, Macintosh users would see “LAB_APPLE” under their
Choosers, while NetWare users would reference “NETW_LASER” when
configuring their queues. You can use the same name for all 4 protocols.
The default service names are “EPS_xxxxxx_S1” and “EPS_xxxxxx_P1”
for the serial and parallel ports, respectively. There is no service common
to both ports by default. The “xxxxxx” will be the same as the last 6
characters of the server’s hardware address (on the rear of the unit).
• Each queue may have an identification string used by LAT to display a
more verbose description of the service. An example identification string
is “Laserprinter in Lab 17, fourth floor.” The description may be up to 40
characters long.
• A password can be associated with a service. This is only enforced under
TCP/IP and LAT printing, since AppleTalk and NetWare have no
method of providing this password. By default, there are no passwords on
the EPS services.
• You can selectively enable or disable queueing and connections for each
service. Disabling connections means that the service will still be
advertised on the network, but connection attempts will fail. Disabling
queueing will cause any print job request coming in while the service is in
use to be rejected rather than queued. If queueing and connections are
not enabled on services, unpredictable behavior under AppleTalk and
NetWare can result.
• There is a protocol list associated with each service. By default, TCP/IP
and NetWare are always enabled on both services. AppleTalk is not
enabled on the parallel (EPS_xxxxxx_P1 service, and LAT is not allowed
on either service. Since you can configure LAT hosts to connect directly
to the physical ports, this only prevents LAT service connects, not all LAT
access. If a protocol is not enabled on a service, users will not see that
service from their nodes since the service announcements will be turned
off.