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HP
3000
Bus ness
Servers
• SNA IMF/iX does not support the numeric
lock feature.
• Pass Thru mode does not support slave
printers (printers attached to terminals).
Functional Specifications
• SNA IMF/iX emulates the base function set
of the IBM 3274 terminal controller; the
base set does not include color, graphics,
programmed symbols, or extended high-
lights.
• SNA IMF/iX supports communications to an
IBM System/370 (or compatible) mainframe
running either the MVS/SP, MVS/XA,
DOS/VSE, or VM operating systems with
ACF/VTAM through an IBM 37xx communi-
cations processor running ACF/NCP.
• SNA IMF/iX supports communications with
an IBM S/36 running SSP or an IBM/38 run-
ning CPF or an IBM AS/400 running OS/400.
• The SNA Link/iX product supports Physical
Unit Type 2 or 2.1 protocols; SNA IMF/iX
provides Logical Unit Type 1,2, and 3 emula-
tion over the link. The SNA Link/iX or
SNA/Token Ring Link/iX can support inter-
active (SNA IMF/iX and SNA DHCF/iX),
batch (SNA NRJE/iX), and programmatic
(LU6.2 API/iX) communications simultane-
ously over a single link to an IBM host.
• In Pass Thru mode, SNA IMF/iX emulates
the IBM 3278-2, 3278-3 and 3278-4 display
stations and IBM 3287 printers.
• SNA IMF/iX supports up to 127 devices (ter-
minals, printers, or application programs)
concurrently per SNA link with MPE/iX
Release 4.0 or later.
• The HP 700/94 terminal is recommended for
use with SNA IMF/iX in Pass Thru mode as
it offers the greatest performance and func-
tionality. SNA IMF/iX also supports null
suppression mode on HP 700/94 terminals
which result in further performance
improvements.
• The following terminals support Modified
Data Tags and, consequently, provide a 10-
50% performance improvement in Pass
Thru mode and greater functionality over
other terminals.
– HP 700/96
– HP Vectra
– PC with Reflection 7 PLUS Version 3.3
(or later)
• In Pass Thru mode, non-MDT terminals are
not supported with all host applications that
are sensitive to nulls and blanks. In these
circumstances, an MDT terminal will func-
tion properly and is strongly recommended
to be the terminal of choice.
• The following terminals are supported with
HP 3000 MPE/iX systems in Pass Thru mode
via the DTC attachment.
– HP 700/92
– HP Vectra PC with Advance Link 2392
– HP Vectra PC Reflection 7 PLUS,
Version 3.3 (or later)
• SNA IMF/iX supports the write optimized
feature for improved performance in Pass
Thru mode with the following terminals:
– HP 700/92
• With the HP X.25/iX Network Link (36939B)
and NS 3000/iX Network Services (36920B),
SNA IMF/iX supports these terminals when
they are directly attached to an HP 2334A
Plus or HP 2335 PAD.
This feature is supported on SNA IMF/iX or
SNA IMF/V (30247A) only and is NOT
supported on the IMF/V (30250A) product.
Other Pass Thru-supported terminals
configured to be one of the terminals listed
above are NOT supported.
• The HP 700/94, HP 2394A, HP 150, HP
700/92, and HP 2392A terminals support a
19.2 KB/s connection to the HP 3000.
• The following terminals support multiple
levels of “rolling softkeys” allowing up to 96
user-definable function keys.
– HP 700/94
– HP 2394A
• SNA IMF/iX supports any HP system
printer.
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