Configurations (Terminals)
--Device Adapter feature (#3250) is required
devices are attached to the 3271. Up to four
can be attached with each Device Adapter.
if more than four
additional devices
--Transmission Speed feature (#7820 or 17821) is required.
--Control Storage Expansion feature (#1801) provides the ability to
access control unit storage addresses above 64K.
--Extended Function Storage feature (#3622) provides additional
storage required to !$1,1pport particular attachments or
configurations. Control Storage Expansion feature ("801) is a
prerequisite.
--Each 3274 Model lC requires a Common Communications Adapter feature ('6302) and an External Modem Interface ('3701). IBM 3276 Control Unit Display Station Models 2, 3, and 41 (supported
as a 3271) for attachment of up to 7 additional 3278 Display Stations Models 2, 3, and 41 (supported as 3277s), 3287 Printers Models 1 and
2, (supported as 3284s or 3286s), and 3289 Printers Models 1 and 2
(supported on a 3276). To support this configuration, the following
are required:
--The basic 3276 Control Unit Display Station contains 1 integral
display station, (supported as a 3277), and permits a ttachmen t of
either 1 3278 Display Station Model 2, 3, and 41 (supported as a
3217) or 1 3287 Printer Models 1 and 2. (supported as a 3284 or
3286).
--Terminal Adapter No. 1 (13255) permits attachment of up to 2
additional devices (3278s,3287s and 3289s). Only 1 adapter is
permitted.
--Terminal Adapter No. 2 ('3256) permits attachment of up to 2
additional devices (3278s, 3287s and 3289s). Only 1 adapter is
permitted. Terminal Adapter No. 1 ('3255) is a prerequisite.
--Terminal Adapter No. 3 (#3257) permits attachment of up to 2
additional devices (3278s, 3287s and 3289s). Only 1 adapter is
permitted. Terminal Adapter No.2 (t3256) is a prerequisite.
--A 3274/3276 Attachment ('8331) is required for each 3287 Printer Model 1 or 2.
--Each 3276 requires one of the Communications features ('6301 or 16302) and either the External Modem Interface (#3701) or the 1200 BPS Integrated Modem feature (15500). The following control unit is remotely attached to either leased or
switched lines via a 2701 Data Adapter Unit, a 2703 Transmission Control
Unit, a 3704/3705 Communications Controller in emulation mode, or an
Integrated Communication Adapter (ICA) to support 3270 devices: IBM 3275 Display Station MOdel 2 standalone control unit and display
station. A 3284 Printer Model 3 or 3286 Printer Model 3 can be
attached. Also, the following may be required:
--For the 3275 to be used on a switched line, Dial feature ('3440) is
required.
--Transmission Speed feature ('7820 or 17821) is required. lModels 3 and 4 are supported as Model 2 via hardware default. Part 1. Planning for System Generation 117
Configurations (Terminals)
--To attach a 3284 Printer "odel 3, a Printer Adapter feature (15550) is required.
--To attach a 3286 Printer 3, RPQ is required.
The 3275 Display station (remote attachment) and the 3277 Display Station 2 require one of the following features:
--66 Key EBCDIC Typewriter Keyboard (14630) --66 Key EBCDIC Data Entry Keyboard (14631) --78 Key Operator Console-Keyboard (14632) --78 Key EBCDIC Typewriter Keyboard (tq633) The 3276 Control Unit Display Station and the 3278 Display Station require one of the following features:
--75 Key EBCDIC Typewriter Keyboard (14621) --75 Key EBCDIC Data Entry Keyboard (14622) prpr p-ql1i si tp is t he EBCDIC Cha racter Set feature (19082\ on
the 3276 or 3278.
The following features, while not required, enhance the convenience and
usability of the terminals:
--Keyboard Numeric Lock (14690) - All terminals
--Audible Alarm (11090) - All terminals
--Operator Identification Card Reader (14600) - 3275 and 3277 only
--Security Keylock (16340) - All terminals Slot Reader (15005) with Reader Control ('4999) - 3278 only
--Lowercase Character Display (RPQ 18K0366) - 3275 and 3277 only ]2
7
Q
APL The following 3270 devices are supported by 3270 APL support: 3271 eodel 2 or IBe 3272 2 Control Unit IB" 3277 Display Station, eodel 2, with either of the following APL keyboards: jPL Feature
66-character keyboard --.4631 78-character keyboard 14638 The 78-character keyboard includes the 12 Program Function
keys, which are required if you wish to use the local copy function. 3284 Printer, eodel 2, the IB" 3286 Printer, "odel 2, or the IBe 3287 printer, "odels 1 and 2.
The 3270 Data Analysis feature (11066) allows the use of APL with any or
all of the above devices. The 3270 Data Analysis feature is field-installable. Since lowercase display support is included in the APt hardware feature, the
Lowercase Display RPQ 18K0366 must be removed prior to installing the APL feature.
118 IB" V"/370 Planning and System Generation Guide
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