Transcript
BELL SYSTEM ATBTCo
SECTION 332-206-229
PRACTICES
Issue 1, September
Standard
1974
E6 RANGE EXTENDER INSTALLATION CONTENTS 1.
GENERAL
2.
INSTALLATION
PAGE 1
...........
A.
A-Side
2.03
Installation
Install the EGRE on the A side of the E6 repeater housing as follows:
1
.........
(a) Remove 830- or 832-type network.
1. 1.01
A.
A-Side
Installation
B.
B-Side
Installation
C.
Removal
of E6RE
1
...... .......
1
.......
1
(b) Slide EGRE into housing and tighten connecting screws 1, 2, 3, and 4. (c) Position the EGRE connector assembly so that pins 7 and 14 are aligned with pins 7 and 14 of the 501A connector on the gain unit.
GENERAL
(d) Gently push the connector assembly fully engaged with the 501A connector.
This section describes installation procedures for the E6 Range Extender (EGRE).
beside
1.02
-
The EGRE is designed to replace one of the 830-type Line Buildout (LBO) networks in the E6 repeater housing. It may be mounted in either the A or B position (Fig. 1). Power is supplied to the EGRE from the 831A/B gain network via a connector assembly attached to pins 7 and 14 of the 501A connector.
(e) Dress excess cable into the recess connecting screw 1.
until
8.
2.04
The EGRE provides an increase in effective central office battery voltage for extension of many special access lines or trunks to a nominal value of 2400 ohms. Also, an enable lead is provided to minimize current drain in idle circuit conditions. More detailed information on operation may be found in Section 332-206-129. 2.
Install the EGRE on the B side of the E6 repeater housing as follows:
(b) Fold the connector assembly under the EGRE and slide unit into the repeater housing. (c) Tighten connecting
screws 1, 2, 3, and 4.
(d) Align pins 7 and 14 of the connector assembly with pins 7 and 14 of the 501A connector on the gain unit.
INSTALLATION
(e) 2.01
-
Installation
(a) Remove 830- or 832-type network.
1.03
-
B-Side
The EGRE is mounted in the E6 repeater housing on either the A or B side. However, it is recommended that the EGRE be connected on the central office switch side of the E6 and not between the repeater and a nonloaded facility.
Removal
2.05
over
of E6RE
Remove the EGRE from housing as follows:
the E6 repeater
2.02
-
Power is supplied to the EGRE by removing the E6 repeater housing and pushing the connector assembly over the 501A connector on the gain unit.
C.
Gently push the connector assembly the 501A connector until fully engaged.
(a) Use a small screwdriver as a lever alternately behind pins 7 and 14 to disengage the connector assembly.
@ American Telephone and Telegraph Printed in U.S.A.
Company, 1974 Page
1
SECTION
332-206-229
(b) Loosen connecting
screws 1, 2, 3, and 4.
(c) Slide EGRE from the repeater
will continue manner.
to lock into its mounting
in a normal V
housing. Tables A and B provide restrictions on the maximum number of E6REs which may be mounted in existing E6 repeater bays. Special attention to fuse and wire size is required. 2.06
The connector assembly does not affect the mounting arrangement of the repeater; therefore, the repeater
V
-
Fig.
Page 2
I-E6RE
Packaged
in E6 Repeater
-
1% 1, SECTION
332-206-229
TABLE A PERMISSIBLE
NUMBER OF E6 RANGE EXTENDERS EXISTING E6 REPEATER BAY 0-l/3 AMP FUSES ON 24-GAUGE WIRE)
V REPEATER
GROUPING
REPEATERS
REPEATERS
WITH
WITHOUT EGRE
EGRE
ON
BAYS WITH
EQUIPPED
DISABLERS (J99253L) NO
YES
18
3
15
12
5
7
12
4
8
” 6 ’
V
.
d d d
i
6 9 (TSPS)
6
ESS Single Bay
No Restrictions
ESS Double Bay
0
d
d
d
d
3
d
No Restrictions
d
No Restrictions
d
TABLE B PERMISSIBLE NUMBER OF E6 RANGE EXTENDERS MODIFIED E6 REPEATER BAY
T I
REPEATER
GROUPING
(3 AMP FUSES ON PO-GAUGE WIRE)
REPEATERS
REPEATERS
WITH
WITHOUT
EGRE
18
ON
BAYS WITH
EQUIPPED DISABLERS
(J99253L)
EGRE
NO
YES
12
4
12 12
No Restriction
6 No Restriction
6
No Restriction
No Restriction
d
No Restriction
No Restriction
4
4
No Restriction 12
4
d
6 TSPS Filter A --
No Restriction 30 30
TSPS Filter B
12
d
4 d
Page 3
3 Pages
