44023-1297 <90-00058>
P
AGE
17
3. M
OUNT
THE
MODULE
IN
THE
EQUIPMENT
SHELF
.
Slide the module along the guide slots then firmly seat the edge
connector in its receptacle.
4. C
HECK
OUT
THE
MODULE
.
Refer to Table B for checkout procedures. Refer to Fig. 7 for a
front panel view.
Use the following test equipment for module checkout:
♦
Level Meter (Weston Model 666, Hewlett-Packard 440EL or
similar equipment, or you can use a Dantel 8002 Test Set)
♦
Test oscillator (Dantel 8002 Test Set or any 600 ohm audio
oscillator)
NOTE
: You only need a test oscillator when you test the 44023 in an
assembly that does not have a 44011 Line Interface Module.
You can normally use the test oscillator built into the 44011
Line Interface Module.
N
OTE
:
The 44023 drop side always in-
terfaces to the outside world,
central office or PABX trunk. The
line side interfaces the 440 CMS
or other private network.
INSTALLATION
If you install the 44023 in a 440 CMS Multi-Station
Package, check out the 44010/11, 49020, 44020, 44021
and 49018 modules before checking out the 44023.
Test the following outputs with the appropriate equip-
ment:
♦
Monitor output
♦
Buzzer lead
♦
Lamp lead
♦
Busy-circuit light output
The system test procedure tests the all-call and group-
call functions.
F
IG
. 7 - 44023 PABX/T
RUNK
I
NTERFACE
F
RONT
P
ANEL
V
IEW
STATUS
LED
INDICATORS
XMT LEVEL
ADJUST
(R24)
TEST/RESET
SWITCH
XMT LINE TP
XMT
DISTRIBUTION
OUTPUT TP
XMT DROP
2W/4W
TEST JACKS
RCV LINE TP
RCV
DISTRIBUTION
INPUT TP
RCV DROP
4W TEST
JACKS
FRONT PANEL VIEW
44023-00
PABX/TRUNK
INTERFACE
A11-44023-00
BUSY
INC CALL
OFF HOOK
TRANSMIT
LINE
DROP
MON
TEST
RST
LINE
DROP
MON
RECEIVE
DIST
DIST
GND
GND
{
RCV LEVEL
ADJUST
(R5)
