INTRODUCTION - TM-11-6625-3024-140013

TM 11-6625-3024-14/EE641-AC-MMA-010/E154 SYSEX/TO 33AA50-5-1-1

panel controls and indicators are provided for se-

1-1. INTRODUCTION

lecting write data in block mode, 256 byte block

(short block), 4K byte block mode (long block),

This technical manual provides installation, op-

and shifted ones mode. The Exerciser will read

eration, and field level maintenance instructions

the data from the transport in the recorded block

for the TS-4002/UYH-5 Exerciser. Information

mode and in a continuous read mode.

contained in this manual is intended for use by

technical personnel involved in the actual opera-

BNC connectors are provided on the front panel

tion and maintenance of the subject equipment.

for external start enable inputs and start output

1-2. PURPOSE AND USE

pulses. Connectors are also provided on the front

panel for monitoring the transport power supply

The instructions contained in this manual apply

current, data and control signals.

to the Exerciser to be used in exercising the Mag-

The Exerciser monitors the reproduced data

netic Tape Transport AN/UYH-5.

from the transport for parity errors. Soft errors and

hard errors are accumulated and displayed on 2-

1-3. EQUIPMENT DESCRIPTION

digit LED displays. The type of error (VRC error

or LRC error) is also displayed on front panel in-

The Exerciser is a portable instrument designed

dicators.

to be a testing and troubleshooting aid for the AN/

UYH-5 Magnetic Tape Transport. The Exerciser

The Exerciser generates and formats nine read/

includes all the controls required to exercise the

write channels of parallel digital data in NRZ for-

transport in both read and write modes. The unit

mat. The Exerciser control logic controls the timing

is a portable, self-contained instrument that pro-

for the transport.

vides all data, control signals, and power required

by the AN/UYH-5 transport.

The Exerciser is housed in a sturdy metal case

Operator controls, indicators, and test points are

6 inches high, 18 inches wide, and 23 inches

located on the front panel. Test points are provided

deep. The power supply is separately housed and

on the front panel for monitoring status indications

attached to the rear of the Exerciser mainframe.

from the transport, read and write data to and from

All front panel controls, indicators, and test points

the transport, and motion control signals to the

are an integral part of the logic printed circuit

transport.

cards. Six printed circuit cards, containing all logic

circuits, are located behind the front panel plate.

The Exerciser generates a selected data pattern

for recording on eight data channels and a parity

Cable storage is provided in a compartment lo-

channel. Front panel controls are provided for se-

cated above the power supply module. One power

lecting ALL `0', ALL '1', or ALL PATTERN for write

cable and one transport interconnect cable povide

data on all eight channels. Write data is also se-

interface between the Exerciser and transport.

lectable for each individual data channel. Front

1-3