Teletype CDBU805 Installation Manual

BELL SYSTEM PRACTICES
AT&'fCo Standard
SECTION 578-141-203
Issue 1, November 1973
COMMUNICATIONS DISPLAY CDBU805 BUFFER MODULE
FOR 2541 BUFFER/INTERFACE SETS
INSTALLATION
CONTENTS PAGE
1. GENERAL 1
2. UNPACKING 1
3. VISUAL CHECKOUT 1
4. INSTALLATION INTO
BUFFER SET
.......
2
5.
BUFFER MODULE
IDENTIFICATION .
. . . .
.
..
. .
2
6.
BUFFER MODULE
PROGRAMMING ..
2
IN/OUT CONTROLS
2
EXTERNAL CONTROL
2
MODULO 6 COUNTER
6
TRANSMITTING
DISTRIBUTOR . ·. . . . 6
OPERATION WITHOUT DATA
SET - WITH OR WITHOUT
MOTOR CONTROL
6
RO DEVICE 7
A. Model 35
7
B.
Model 37
7
C.
DATASPEED*
INKTRONIC ®.
8
CABLING
.....
8
1. GENERAL
1.01 This section provides the installation
procedures and operation checkout for
Teletype Corporation's CDBU805 buffer module
used in the 2541 Buffer/Interface Set.
*Registered 'rrademark of AT&TCo
1.()2 The buffer module is factory assembled
and tested for correct operation prior
to customer delivery. Generally it comes installed
as part of the 2541 Series Buffer Set having a six.
button control panel arrangement, but it can be
shipped separately for field installation.
1.03 For checkout procedures, refer to the
buffer/interface set documentation in
the respective. 578-141-200.
2. UNPACKING
2.01 Before beginning to unpack the buffer
module from its shipping container,
observe any special instructions or caution labels
that may be attached to container. Then proceed
as follows.
(1) Open top end of shipping container and
remove the four molded plastic corner
protectors.
(2) Grasp the module metal frame and lift
the module out from the container.
Remove any tape or corrugated cardboard
used to hold the module circuit cards into
their receptacles.
(3) Remove the muslin bag tied to the
module frame. It should contain
mounting hardware, TP147307 program-
ming straps, a TP335600 connector
assembly for connecting of customer
fur-
nished cabling from the receive-only device
to the buffer, and cabling to install the
module.
3. VISUAL CHECKOUT
3.01 Visually inspect the buffer module for
damaged parts, loose circuit cards,
broken wires, or bent terminals which might
cause a shorted condition. Repair any of these
conditions before continuing.
Prepared for American Telephone and Telegraph Company by Teletype Corporation
©
1973 by Teletype Corporation
All rights reserved
Printed in U.S.A.
Page 1