TiE Businesscom Plus Hardware Manual

INSTALLING OPTIONAL EQUIPMENT
Jack  Cable
Assembly
(P/N 15346 shown)
Printer Status Switch
RS-232-C Connector
for printer
Red Wire
FIGURE 2-44 B-SMDR-LA INSTALLATION
2-79 

INSTALLING OPTIONAL EQUIPMENT
Installing the Battery Backup Box 
The Battery Backup Box provides power during a power
failure.See Figure 2-45Battery Backup Box and
Figure 2-46Battery Backup Box (Uncovered).
BBB
Specifications
Physical Size: 24 in. 
 long x 8 in. 
wide x 9 in. high
Weight:Approximately 80  (36 kg) with
batteries
Batteries:Two gelled electrolyte maintenance-free
batteries, rated at 12 volts, 38 
hours.Both must be of the same type
from the list below:
o Eagle Pitcher 
o Yuasa 
o Powersonic...

INSTALLING OPTIONAL EQUIPMENT
       
KSU
FIGURE 2-45BATTERY BACKUP BOX (P/N 
KSU
FIGURE 2-46BATTERY BACKUP BOX  

INSTALLING OPTIONAL EQUIPMENT
Refer to Figure 2-47,Battery Backup Box Schematic.
After mounting Battery Backup Box:
1. Insert one pair of batteries. (Batteries should
always be installed and replaced in pairs).
2. Secure batteries with tie-wraps supplied.
3. Using battery terminal screws, connect the wiring
to the battery terminals. Use the red wire
(indicated in Figure 
 to connect the positive
terminal of one battery to the negative terminal
of the other battery.
4. With 4-wire connecting cable,...

INSTALLING OPTIONAL EQUIPMENT
TB 101
RED Wire
Provided with
Battery Box
-4
Male Plug,
BLACK to terminal 4
to connector (J 203) on
15120H  on Barrier Term. Strip
Power Supply
 at 250V
FIGURE 2-47 BATTERY BACKUP BOX SCHEMATIC
FIGURE 2-48
SIDE VIEW OF KSU POWER SUPPLY FOR BATTERY BACKUP BOX
2-83 

PART 3 MAINTENANCE AND TROUBLESHOOTING
INTRODUCTION
This section explains how to keep the BUSINESSCOM
PLUS System operating properly.
It also shows how to
prevent or minimize operating problems, avoid system
failures,and extend the time between service calls.
o TELEPHONE TROUBLESHOOTING
The Telephone Test Procedure serves as an aid to
troubleshooting,and the Troubleshooting Guide sug-
gests common causes of system malfunctions.
o SYSTEM TROUBLESHOOTING
explains in greater detail the procedures required...

TELEPHONE TROUBLESHOOTING
-----------------------------------------------------------------------
Although testing is a helpful aid to troubleshooting,
it is not necessary to test each individual telephone
with this procedure.
Complete the following steps in order:
TABLE 3-l TELEPHONE TEST PROCEDURE 
Item
1. Power On
2. Off-hook
3. CO Line
 DSS key
(l-10)
5. Dial key
6. ALARM key
7. CHECK key
Omit thisstep for Standard telephones
(non-Display). Operation
Indication
Plug in modular connector
OK: Tone A...

TELEPHONE TROUBLESHOOTING
TABLE 3-l TELEPHONE TEST PROCEDURE 
ItemOperation
Indication
8.Function
Press MIC
MIC LED: on
keys check
Press RG-INW
MON LED: on
Press CONF
DND LED: on
Press RG-TR
RG TR LED: on
Press DC
RG TR LED: off
Press ICM
ICM LED: on
Press HOLD
HOLD LED: on
Press OPAC
MW LED: on
Press SPK
Press FLASHSPK LED: on
SPK LED: off
At end of procedure,
be sure to unplug the telephone.
 before normal use.
3-3 

TELEPHONE TROUBLESHOOTING
-----------------------------------------------------------------------
After Telephone Test Procedure
Once you have finished the Telephone Test Procedure
if you are still experiencing trouble, follow these
steps:
Station
Troubleshooting
1.
2.
3.
4.
Station Cabling
Troubleshooting
1.
2.
3.
4.
Environmental
Troubleshooting
1.
2.
3.
Verify that the telephone set is connected to the
correct modular jack.
Using a voltmeter,measure the voltages at station
jack as described in...

TELEPHONE TROUBLESHOOTING
TABLE 3-2  GUIDE FOR SYSTEM INSTALLATIONS
SymptomsPossible 
Cause
No  light on phone.
Phone will not function.
Talk battery in handset.Pairs reversed
(jack wires)
No  light on phone.
Phone will not function.
Talk battery in handset.Pairs split
 reversed)
No 
 light on phone.
Phone will not function.
Talk battery in handset.Pairs split
(RED-YEL reversed)
Phone functions but
cannot be called handsfree.
Handset mode works fine.GRN-RED
(reversed)
Note:
Audio pair is...