ATT Merlin Identifier Installation Administration Manual

							Administering the MERLIN Identifier Database
44Changing the Administration Mode 
						

							Troubleshooting
4
If you encounter a problem with MERLlN® Identifier, be sure to
look for possible causes in this chapter before calling the AT&T
Helpline or your AT&T Authorized Dealer.
Common problems
n
nMany common problems involve loose, physical
connections and loss of power. Be sure to check all
connections, switches, and outlets before calling for help.
If you do not get caller telephone numbers on the MERLIN
Identifier Display units, do the following:
—
—
—
Contact your local telephone company and verify
that you have Caller ID service to the Central Office
lines you want to monitor.
Verify that you have the correct Central Office lines
and station lines connected to the MERLIN Identifier
Control Unit.
Change your automated attendant setting to
answer after 2 or 3 rings (Caller ID information is
transmitted between the first and second ring).
Troubleshooting45 
						

							Troubleshooting
Power LED does not light on MERLIN Identifier Control Unit
n
n
n
n
n
n
n
nMake sure you are using the 9 volt 1 ampere power
transformer and not the 9 volt 200 milliampere power
transformer supplied with the MERLIN Identifier Display
units.
Make sure that the power cord is firmly seated in the
9V-DC port on the MERLIN Identifier Display unit.
MERLIN Identifier Display unit does not appear to have power
Make sure that the power cord is firmly seated in the
9V-DC port on the MERLIN Identifier Display unit.
Check for power at the AC outlet.
MERLIN Identifier Control Unit appears to be locked up
(does not receive calls  and/or cannot be administered)
Reset MERLIN Identifier Control Unit by moving
Administrative Mode switch to opposite position and
back again.
Serial printer is not printing
Verify that you are using the correct adapters and the
modular cords.
Verify that you have the correct line termination, either
 or .
If using inside wiring to connect the printer to the MERLIN
Identifier Control Unit, verify that the correct inside wires
and jacks are being used.
46Troubleshooting 
						

							Troubleshooting
Administrative PC does not communicate with the MERLIN
Identifier Control Unit
n
n
n
n
n
n
n
n
nVerify that the Administrative Mode switch is in the
“RS232 Admin” position.
Verify that you are using the correct adapters and
modular cords.
If using inside wiring to connect the PC to the MERLIN
Identifier Control Unit, verify that the correct inside wires
and jacks are being used.
Verify that you are using the correct PC serial port.
Verify your communication settings for the PC.
PC software does not communicate with the Display unit
Verify that you are using the correct adapters and
modular cords.
Verify that you are using the correct PC serial port.
Verify your communication settings for the PC.
Verify your software installation.
Troubleshooting
47 
						

							Troubleshooting
48Troubleshooting 
						

							Technical Reference
A
MERLIN Identifier System
Record Formats
The MERLlN® Identifier system record formats use the fields that
follow:
Pis either
“-” for a non-Priority
record or “+” for a Priority record
AAAAAAAAAAAAAAAAthe caller name
NNNNNNNNNNthe caller telephone number
LLLL or LLthe four- or two-digit line number
MM/DDthe date of call (month/day)
HH:MMthe time of call (hour:minute)
TA for AM or P for PM
MERLIN Identifier Database Record Format
PAAAAAAAAAAAAAAAANNNNNNNNNN
Serial Printer Output Record Format
LLLL NNN-NNN-NNNN AAAAAAAAAAAAAAAAMM/DD HH:MM T 
MERLIN Identifier Display Output Record Format
LL NNNNNNNNNN AAAAAAAAAAAAAAAA MM/DD HH:MMT 
MERLIN Identifier System Record Formats49 
						

							Technical Reference
Serial Cable Pin Configurations
The following tables list the pin assignments for the RS232
adapters included with MERLIN Identifier system components.
Adapters are identified by their labels.
NOTE:
All modular cords supplied with the MERLIN Identifier system
components are polarized—other similar-looking modular cords
may not be compatible with the adapter pin configurations.
Serial Port Controller (RJ45-to-DB9)
RJ45 FemaleDB9 Male
RedPin 2
YellowPin 3
GreenPin 5
BlackPin 7
Serial Port PC (RJ45-to-DB9)
RJ45 FemaleDB9 Female
RedPin 2
Yellow
Green
Black
Pin 3
Pin 5
Pin 7
50Serial Cable Pin Configurations 
						

							Technical Reference
Serial Port PC (RJ45-to-DB25)
RJ45 Female
DB25 Female
RedPin 5
YellowPin 4
Green
Pin 3
BlackPin 2
Printer Port Controller—For Use with
Printer Only (RJ45-to-DB9)
RJ45 FemaleDB9 Female
Red
Pin 8
YellowPin 3
GreenPin 5
Serial Printer (RJ45-to-DB25)
RJ45 FemaleDB25 Male
RedPin 20
Yellow
Pin 3
Green
Pin 7
N/CPins 4, 5, 6, 8
Printer Port Controller (Serial Port Only) (RJ45-to-DB9)
RJ45 FemaleDB9 Female
RedPin 3
YellowPin 7
GreenPin 5
Serial Cable Pin Configurations
51 
						

							Technical Reference
MERLIN Identifier
Command Reference
The following tables define the MERLIN Identifier system
administration commands and indicate whether a command is
only available for administering the MERLIN Identifier system by
the Administrative PC.
Main Menu Commands
CommandAdmin.Description
PC Only
D (Delete)NoDeletes the current database record.
E (Edit)NoDisplays the current database record
for editing.
F (First)NoDisplays the first record in the database.
H   (Help) or ?YesDisplays the commands available for
the current menu.
M (Mode)YesSwitches between Beginner and
Advanced system administration
modes.
N (New)
NoPrompts for the entry of a new caller
name.
P (Print)YesDisplays the contents of the MERLIN
Identifier database on the screen.
Q  (Quit) orNoExits the Main menu.

R (Re-search)NoRepeats the search using the same
string of characters.
52MERLIN Identifier Command Reference 
						

							Technical Reference
CommandAdmin.Description
PC Only
S (Search)NoFinds the next database record
containing a specified string of
characters.
T (Transfer)Yes
Displays the database Transfer Menu.
See “Transfer Subcommands.”
Z (SystemNo
Displays the System Parameter Menu.
Parameter)See “System Parameter
Subcommands.”
+ (plus)NoDisplays the next database record.
- (minus)NoDisplays the previous database record.
. (period)NoDisplays the current database record.
$ (dollar sign)NoDisplays the number of database
records.
System Parameter Subcommands
CommandAdmin.Description
PC Only
C (Carriage)NoSwitches the serial printer port line
termination between a carriage return
 and carriage return and a
linefeed .
H (Help)YesDisplays the commands available for
the current menu.
P (Password)NoChanges the database password.
D (Display)NoDisplays all four line numbers.
1 (Line 1)NoSets the first line number.
2 (Line 2)NoSets the second line number.
MERLIN Identifier Command Reference53