Wang OP28D-8E Recording Equipment Manuals

Manuals and User Guides for Wang OP28D-8E Recording Equipment. We have 1 Wang OP28D-8E Recording Equipment manual available for free PDF download: Maintenance Manual

Wang OP28D-8E Maintenance Manual

Wang OP28D-8E Maintenance Manual (108 pages)

TELECOMMUNICATION CONTROLLERS

Brand: Wang | Category: Recording Equipment | Size: 6.77 MB

Table of Contents

Table of Contents
3
Introduction
8
Scope & Purpose
8
General Description
9
- Controller Option
  9
Theory of Operation
13
Introduction
13
Z80A Cpu
13
The 2200 Interface
15
2200 I/O Bus Signals
16
Addressing the 2228D Controller
17
Resetting the 2228D by the 2200
17
2200 Request Status Register
17
Parallel Input/Output (PIO) Chip
18
Operation
30
- Controls and Indicators
  30
Installation
34
- Parts Required
  34
- PROM and RAM Check
  34
- Switch Settings /~-1
  34
- External Loopback Test (Power-Up)
  36
- 2228D-(All) Diagnostics/Tests
  37
- Power-Up Diagnostics (Description)
  37
- Introduction
  37
- Program Description
  38
- Operation
  38
- Field Level Diagnostics
  38
- Configuration Requirements
  38
- Hardware
  38
Program Descripti'n
38
Load Procedure
40
- Revision Histor
  40
- Loopback Connector Part Numbers
  40
- Interconnection with Modems
  41
- Optional Cables
  41
Maintenance
43
Illustrated Parts Breakdown
47

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