==Phrack Magazine==
Volume Seven, Issue Forty-Eight, File 9 of 18
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Information about Northern Telecom's FMT-150B/C/D
Written by StaTiC
(
[email protected])
---------------------------------------------------------------------------
Ok, I know someone wrote an article in Phrack about the
FMT-150B/C/D, but I figured I should write some more. I am not going to
write the same info that FyberLyte wrote, in fact I recommend you go and
check it out. It is in Phrack #44-13. This is some stuff I obtained,
that I figured the rest of the world would be interested in.
Included info: Connecting a FMT-150 to a Rockwell OS-35
Connecting Environmental Alarms to the FMT-150
Procomm Script to Perform Configuration of FMT-150
FMT-150 Configuration Checklist
Glossary of Terms
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INSTRUCTIONS FOR X-CONNECTING FMT-150 CUSTOMER OUTPUT TO
ROCKWELL OS-35 INPUTS
A pin block will be provided at the central office location, in the
bay equipped with FMT-150 equipment. The pin block will provide
the termination points for the Rockwell OS-35A and the FMT-150
customer output alarms. Each pin block will be able to support a
maximum of 16 FMT-150 systems, see pin block diagram.
Wiring of the FMT-150 customer outputs points and the OS-35A points
will be done by the vender on the back of the pin block.
Once a FMT-150 system has been certified the certification team
will be responsible for x-connecting the FMT-150 customer output
alarm points to the appropriate OS-35A points on the front of the
pin block. Completion of this x-connecting will allow FMT-150
system alarms originating either from the CO or the RT to be
transported via the OS-35A back to the Lightwave and Radio Alarm
Center.
IMPORTANT, MBT CERTIFICATION TEAMS X-CONNECT ONLY THE FMT-150 THAT
IS BEING PUT INTO SERVICE AND ONLY AFTER THE ELECTRONICS ARE
CERTIFIED.
The FMT-150 16 customer outputs are defined as follows:
OUTPUT ALARM OUTPUT ALARM
------ ----- ------ -----
1 BAY MAJOR 9 MI3 ALARM #3
2 BAY MINOR 10 HSA ALARM
3 OPT A FAIL 11 HSB ALARM
4 OPT B FAIL 12 DS1 GRP FAIL
5 STX TX 13 SYSTEM ID CLLI
6 STS RX 14 COMM. EQUIP. ALARM
7 M13 ALARM #1 15 NODE #1 CO
8 M13 ALARM #2 16 NODE #2 REMOTE
The Rockwell OS-35A provides a total of 32 separate alarm points.
The first 16 points with the exception of point 13 have been
multiplied on the pin block to provide x-connect points for a total
of 16 FMT-150 systems, see pin block diagram.
On the pin block x-connect the designated (1 of 16) FMT-150 system
customer outputs, pins 1-12 and 14-16 to the appropriate OS-35A
pins 1-12 and 14-16, see pin block diagram.
Pins 17-32 on the pin block going to the OS-35A will be used for
x-connecting the customer output #13 from each FMT-150 system.
Customer output #13 provides the system ID for the FMT-150, see pin
block diagram.
X-CONNECT CUSTOMER OUTPUT #13 FROM FMT-150 SYSTEMS IN
THIS SEQUENCE
OS-35A FMT-150 System
------ --------------
PIN 17 SYSTEM 1
PIN 18 SYSTEM 2
: :
: :
PIN 31 SYSTEM 15
PIN 32 SYSTEM 16
AGAIN, WIRE ONLY THE FMT-150 SYSTEM THAT IS BEING PUT INTO SERVICE
AND ONLY AFTER CERTIFICATION OF ELECTRONICS HAVE BEEN COMPLETED.
After x-connects have been completed on FMT-150 system that has
been certified, contact the Alarm Center at (313) 223-9688 and
verify that all 16 customer output alarm conditions at both the CO
and RT can be activated and are reporting via the OS-35A back to
the alarm center.
The Lightwave Alarm Center will monitor the FMT-150 system for a 24
hour quiet period for alarms. During this 24 hour period if no
alarms are detected by the Lightwave Alarm Center, the FMT-150 will
be considered certified for alarming and ready for continual
monitoring.
If during the 24 hour quiet period the alarm center receives alarms
from the FMT-150 system, it will not be certified for continual
monitoring and it will be the responsibility of the MBT
Certification Teams to resolve those alarms.
----------------------------------------------------------------------------
INSTRUCTIONS FOR CROSS CONNECTING ENVIRONMENTAL ALARMS TO
THE FMT-150 INPUTS.
Environmental alarms at remote locations may be connected to the
FMT-150 customer inputs. If more than one system exists, these
alarms should only be connected to the first. Since many remotes
will not be equipped with all of these alarms, a checklist has been
provided on the system acceptance sheets to indicate which have
been wired. The alarms provided for are Smoke Detector, Sump Pump,
Open Door, AC Power Fail, HI-LO Temperature, Rectifier Fail, and
Battery Float. These are wired to pins D8 through E9 on the
FMT-150 backplane. See Shelf Backplane Detail, attached.
All Customer Inputs are software connected to Customer Output #12.
They will also bring in Bay Minor (Output #1) or Bay Major (Output
#2) as appropriate. Inputs #1 (Smoke Detector) and #2 (Sump Pump)
are latching inputs that can only be cleared by accessing the MCU
with a VT100 terminal. See Section 321-3211-01, DP 3003, page 2.
FMT-150 systems using external inputs for environmental alarms and
which use E2 telemetry rather than the OS-35 MUST be provided with
type NT7H90XH Maintenance Control Units at both ends.
External alarm operation and telemetry if equipped, should be
verified with the Alarm Center during acceptance.
--------------------------------------------------------------------------
Procomm Script for Accessing FMT-150B/C/D
;**********************************************************************
;* *
;* FMT150.CMD Version 5.00 Dec 18, 1990 *
;* Please Destroy all previous versions of this program! *
;* *
;* NOTE: Procomm is a product of Datastorm Technologies *
;**********************************************************************
;
; The script FMT150.CMD was written to automatically perform
; all configuration commands for the Northern Telecom FMT-150
; fiber optic multiplexer. Specifically, this script will
; complete over 125 configuration commands (performance
; threshold, error correction, and alarm outputs) as outlined
; in Section 4 of the Michigan Bell Certification Procedure for
; the FMT-150. This program is compatible with all
; certification requirements for FMT-150 MCU NT7H90XA or MCU
; NT7H90XE.
;
; Requirements:
; 1) Toshiba T1000 craft terminal or DOS equivalent.
; 2) Proper serial cables and adapters.
; 3) Procomm disk with FMT150.CMD file.
;
; Procedure for use:
; 1) Remove disk from drive, then turn on computer. When the DOS
; prompt appears insert the PROCOMM disk into disk drive.
; Enter the command "A:" + <ENTER>.
; 2) Enter the command "FIXPRN" + <ENTER>.
; 3) Enter the command "PROCOMM" + <ENTER>.
; 4) While holding the <ALT> key down, press the <D> key,
; and select FMT-150 from the dialing menu.
; 5) Gain access to MCU as normal (press the <ENTER> key 3 times).
; 6) Once logged in, reset the MCU to factory default by
; entering "M"(aintenance) "R"(eset) "*"(all) + <ENTER>.
; It will take approximately three minutes to reconfigure.
; 7) Gain access to MCU again as in steps 3) & 4).
; 8) Select the script by pressing <ALT><F5> keys simultaneously.
; 9) When prompted for command file enter "FMT150" + <ENTER>.
; 10) Answer questions and away you go!
;
; HISTORY: Version 4.00 May 15, 1990 by AQW final release version
; HISTORY: Version 4.10 Aug 08, 1990 by JBH mod to use VPRINT to divert
; printer into a better bit bucket, and to correct callback #.
; HISTORY: Version 4.12 Nov 21, 1990 by EEE to use Customer Inputs
; HISTORY: Version 5.00 Dec 18, 1990 by JBH to update documentation
;SN051690000
;REFNO=5.00
CLEAR
PAUSE 1
ALARM 1
MESSAGE " "
MESSAGE " *************************************************"
MESSAGE " * *"
MESSAGE " * FMT-150 MCU NT7H90XC\CA CONFIGURATION PROGRAM *"
MESSAGE " * MCU NT7H90XE\EA CONFIGURATION PROGRAM *"
MESSAGE " * *"
MESSAGE " * VERSION 5.00 DEC 18, 1990 *"
MESSAGE " * *"
MESSAGE " * MICHIGAN BELL TELEPHONE COMPANY *"
MESSAGE " * A DIVISION OF AMERITECH *"
MESSAGE " * *"
MESSAGE " * *"
MESSAGE " *************************************************"
MESSAGE " "
MESSAGE " "
MESSAGE " ....TO EXIT THIS PROGRAM AT ANY TIME, PRESS <ESC>...."
PAUSE 3
ALARM 1
;VARIABLE DOCUMENTATION
;S0=CLLI A USER INPUT
;S1=CLLI B USER INPUT
;S2=CLLI LOCAL USER INPUT
;S3=YEAR 2 DIGIT USER INPUT
;S4=MONTH 2 DIGIT USER INPUT
;S5=DAY 2 DIGIT USER INPUT
;S6=HOUR 2 DIGIT USER INPUT
;S7=MINUTE 2 DIGIT USER INPUT
;S8=SYSTEM ID & USER RESPONSE USED TO CONTROL PROGRAM FLOW
;S9=SYSTEM NUMBER
LABEL1:
; note the following statement was superseded in version 4.10 by VPRINT
;DOS "MODE LPT1:=COM2:" ; REQUIRED TO TURN PRINTER ERROR OFF
; following flushes the "RUB" buffer
TRANSMIT "^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H^H"
CLEAR
LOCATE 10,2
MESSAGE "Enter CLLI code for LOCATION A (C.O.) using full 8 or 11 characters:"
LOCATE 12,2
GET S0 11 ;CLLI A
MESSAGE " "
CLEAR
LOCATE 10,2
MESSAGE "Enter CLLI code for LOCATION B (REMOTE) using full 8 or 11 characters:"
LOCATE 12,2
GET S1 11 ;CLLI B
MESSAGE " "
CLEAR
LOCATE 10,2
MESSAGE "Enter CLLI code for YOUR location using full 8 or 11 characters:"
LOCATE 12,2
GET S2 11
CLEAR
LOCATE 8,2
MESSAGE "Enter system ID without 'MI', for example ALBNMN-JCSNMN."
LOCATE 10,2
GET S8 13
LOCATE 13,2
MESSAGE "Enter system number, for example 1201 / T3X."
LOCATE 15,2
GET S9 15
TRANSMIT "CGNS"
TRANSMIT "`""
TRANSMIT S8
TRANSMIT "`""
TRANSMIT "!"
CLEAR
LOCATE 6,2
MESSAGE "Enter today's date."
LOCATE 8,2
MESSAGE "Enter two digit year + <ENTER>"
LOCATE 8,34
GET S3 2 ; 2 DIGIT YEAR
LOCATE 10,2
MESSAGE "Enter two digit month + <ENTER>. Use 0's if required."
LOCATE 10,58
GET S4 2 ; 2 DIGIT MONTH
LOCATE 12,2
MESSAGE "Enter two digit day + <ENTER>. Use 0's if required."
LOCATE 12,56
GET S5 2 ; 2 DIGIT DAY
CLEAR
LOCATE 6,2
MESSAGE "Enter time."
LOCATE 8,2
MESSAGE "Enter two digit hour + <ENTER>. Use 0's if required."
LOCATE 8,57
GET S6 2 ; 2 DIGIT HOUR
LOCATE 10,2
MESSAGE "Enter two digit minute + <ENTER>. Use 0's if required."
LOCATE 10,59
GET S7 2 ; 2 DIGIT MINUTE
CLEAR
;SET TIME DP3025
TRANSMIT "CT"
TRANSMIT S6
TRANSMIT " "
TRANSMIT S7
TRANSMIT " !"
PAUSE 1
KFLUSH
RFLUSH
CLEAR
;PROMPT THE USER TO CHECK INPUTS FOR LOCATIONS
LOCATE 1,2
MESSAGE "Please verify the following information."
LOCATE 4,2
MESSAGE "LOCATION A CLLI CODE = "
LOCATE 4,26
MESSAGE S0
LOCATE 6,2
MESSAGE "LOCATION B CLLI CODE = "
LOCATE 6,26
MESSAGE S1
LOCATE 8,2
MESSAGE "LOCAL LOCATION CLLI CODE ="
LOCATE 8,29
MESSAGE S2
LOCATE 10,2
MESSAGE "SYSTEM ID = "
LOCATE 10,17
MESSAGE S8
LOCATE 12,2
MESSAGE "SYSTEM NUMBER = "
LOCATE 12,21
MESSAGE S9
LOCATE 17,2
MESSAGE "IS INFORMATION CORRECT? Y/N + <ENTER>"
LOCATE 17,44
GET S8 1
SWITCH S8
CASE "Y"
;DO NOTHING
ENDCASE
DEFAULT
GOTO LABEL1 ; JUMP TO TOP AND ENTER INFORMATION AGAIN
ENDCASE
ENDSWITCH
CLEAR
LOCATE 8,15
MESSAGE "DO NOT PRESS ANY KEYS UNTIL CONFIGURATION COMPLETE"
LOCATE 10,15
MESSAGE "OK...HERE WE GO..."
ALARM 1
PAUSE 2
;SET DATE DP3024
TRANSMIT "CD"
TRANSMIT S3
TRANSMIT " "
TRANSMIT S4
TRANSMIT " "
TRANSMIT S5
TRANSMIT " !"
PAUSE 1
;NAME NODE 1 USING CENTRAL OFFICE CLLI CODE
TRANSMIT "CGNN1 "
TRANSMIT "`""
TRANSMIT S0
TRANSMIT "`""
TRANSMIT "!"
;NAME NODE 2 USING REMOTE CLLI CODE
TRANSMIT "CGNN2 "
TRANSMIT "`""
TRANSMIT S1
TRANSMIT "`""
TRANSMIT "!"
;DEFINE SITE
TRANSMIT "CGS1 1 2 !"
;TRANSMIT "`""
;TRANSMIT S0
;TRANSMIT "`""
;TRANSMIT S1
;TRANSMIT " "
;TRANSMIT "!"
;CONFIGURE CUSTOMER OUTPUT POINTS DP3013
TRANSMIT "CGNO1 "
TRANSMIT "`"BAY MINOR`""
TRANSMIT "!"
TRANSMIT "CGNO2 "
TRANSMIT "`"BAY MAJOR`""
TRANSMIT "!"
TRANSMIT "CGNO3 "
TRANSMIT "`"OPT A FAIL`""
TRANSMIT "!"
TRANSMIT "CGNO4 "
TRANSMIT "`"OPT B FAIL`""
TRANSMIT "!"
TRANSMIT "CGNO5 "
TRANSMIT "`"STX TX`""
TRANSMIT "!"
TRANSMIT "CGNO6 "
TRANSMIT "`"STX RX`""
TRANSMIT "!"
TRANSMIT "CGNO7 "
TRANSMIT "`"M13 ALARM #1`""
TRANSMIT "!"
TRANSMIT "CGNO8 "
TRANSMIT "`"M13 ALARM #2`""
TRANSMIT "!"
TRANSMIT "CGNO9 "
TRANSMIT "`"M13 ALARM #3`""
TRANSMIT "!"
TRANSMIT "CGNO10 "
TRANSMIT "`"HSA ALARM`""
TRANSMIT "!"
TRANSMIT "CGNO11 "
TRANSMIT "`"HSB ALARM`""
TRANSMIT "!"
;TRANSMIT "CGNO12 "
;TRANSMIT "`"DS1 GRP FAIL`""
;TRANSMIT "!"
TRANSMIT "CGNO13 "
TRANSMIT "`""
TRANSMIT S9
TRANSMIT "`""
TRANSMIT "!"
TRANSMIT "CGNO14 "
TRANSMIT "`"COM EQUIP ALRM`""
TRANSMIT "!"
TRANSMIT "CGNO15 "
TRANSMIT "`"NODE #1 CO`""
TRANSMIT "!"
TRANSMIT "CGNO16 "
TRANSMIT "`"NODE #2 REMOTE`""
TRANSMIT "!"
;DELETE ALL EXISTING CUSTOMER OUTPUTS
TRANSMIT "CGO1 D*!"
TRANSMIT "CGO2 D*!"
TRANSMIT "CGO3 D*!"
TRANSMIT "CGO4 D*!"
TRANSMIT "CGO5 D*!"
TRANSMIT "CGO6 D*!"
TRANSMIT "CGO7 D*!"
TRANSMIT "CGO8 D*!"
TRANSMIT "CGO9 D*!"
TRANSMIT "CGO10 D*!"
TRANSMIT "CGO11 D*!"
TRANSMIT "CGO12 D*!"
TRANSMIT "CGO13 D*!"
TRANSMIT "CGO14 D*!"
TRANSMIT "CGO15 D*!"
TRANSMIT "CGO16 D*!"
;CUSTOMER OUTPUTS 1-2
TRANSMIT "CGO1 AS1 G100 !"
TRANSMIT "CGO2 AS1 G120 !"
;CUSTOMER OUTPUTS 3-9
TRANSMIT "CGO3 AS1 G107 !"
TRANSMIT "CGO4 AS1 G108 !"
TRANSMIT "CGO5 AS1 G101 !"
TRANSMIT "CGO5 AS1 G102 !"
TRANSMIT "CGO5 AS1 G103 !"
TRANSMIT "CGO6 AS1 G104 !"
TRANSMIT "CGO6 AS1 G105 !"
TRANSMIT "CGO6 AS1 G106 !"
TRANSMIT "CGO7 AS1 G109 !"
TRANSMIT "CGO8 AS1 G110 !"
TRANSMIT "CGO9 AS1 G111 !"
;CUSTOMER OUTPUTS 10-11
TRANSMIT "CGO10 AS1 M1 MH18 !"
TRANSMIT "CGO10 AS1 M2 MH18 !"
TRANSMIT "CGO10 AS1 M3 MH18 !"
TRANSMIT "CGO11 AS1 M1 MH19 !"
TRANSMIT "CGO11 AS1 M2 MH19 !"
TRANSMIT "CGO11 AS1 M3 MH19 !"
;TRANSMIT "CGO12 AS1 M1 1H2 !"
;TRANSMIT "CGO12 AS1 M2 1H2 !"
;TRANSMIT "CGO12 AS1 M3 1H2 !"
;TRANSMIT "CGO12 AS1 M1 1H3 !"
;TRANSMIT "CGO12 AS1 M2 1H3 !"
;TRANSMIT "CGO12 AS1 M3 1H3 !"
;CUSTOMER OUTPUT 13, 14
TRANSMIT "CGO13 AS1 G100 !"
TRANSMIT "CGO13 AS1 G120 !"
TRANSMIT "CGO14 AS1 G112 !"
;CUSTOMER OUTPUTS 15, 16
TRANSMIT "CGO15 AN1 G100 !"
TRANSMIT "CGO15 AN1 G120 !"
TRANSMIT "CGO16 AN2 G100 !"
TRANSMIT "CGO16 AN2 G120 !"
;SET TO AUTOMATIC CONTROL
TRANSMIT "CGO1 CA!"
TRANSMIT "CGO2 CA!"
TRANSMIT "CGO3 CA!"
TRANSMIT "CGO4 CA!"
TRANSMIT "CGO5 CA!"
TRANSMIT "CGO6 CA!"
TRANSMIT "CGO7 CA!"
TRANSMIT "CGO8 CA!"
TRANSMIT "CGO9 CA!"
TRANSMIT "CGO10 CA!"
TRANSMIT "CGO11 CA!"
TRANSMIT "CGO12 CA!"
TRANSMIT "CGO13 CA!"
TRANSMIT "CGO14 CA!"
TRANSMIT "CGO15 CA!"
TRANSMIT "CGO16 CA!"
;
;DEFINE CUSTOMER OUTPUT 12
TRANSMIT "CGO12 D*!"
TRANSMIT "CGNO12 "
TRANSMIT "`"EXT ALM`""
TRANSMIT "!"
TRANSMIT "CGO12 AN2 G118 !"
;also attach to pt 13 for alarm center ID
TRANSMIT "CGO13 AN2 G118 !"
;
;DEFINE CUSTOMER INPUTS
TRANSMIT "CGNI1 "
TRANSMIT "`"SMOKE DET.`""
TRANSMIT "!"
TRANSMIT "CGNI2 "
TRANSMIT "`"SUMP PUMP`""
TRANSMIT "!"
TRANSMIT "CGNI3 "
TRANSMIT "`"OPEN DOOR`""
TRANSMIT "!"
TRANSMIT "CGNI4 "
TRANSMIT "`"AC PWR FAIL`""
TRANSMIT "!"
TRANSMIT "CGNI5 "
TRANSMIT "`"HI-LO TEMP`""
TRANSMIT "!"
TRANSMIT "CGNI6 "
TRANSMIT "`"RECT. FAIL`""
TRANSMIT "!"
TRANSMIT "CGNI7 "
TRANSMIT "`"BATT FLOAT`""
TRANSMIT "!"
;
;ADD CONDITIONS TO CUSTOMER OUTPUT 1
TRANSMIT "CGO1 AN2 SS5 !"
TRANSMIT "CGO1 AN2 SS6 !"
TRANSMIT "CGO1 AN2 SS7 !"
;
;ADD CONDITIONS TO CUSTOMER OUTPUT 2
TRANSMIT "CGO2 AN2 SS1 !"
TRANSMIT "CGO2 AN2 SS2 !"
TRANSMIT "CGO2 AN2 SS3 !"
TRANSMIT "CGO2 AN2 SS4 !"
;
;PER JOE OLSZTYN SWITCHING SYSTEMS STAFF
;LEAVE PERFORMANCE MONITORING AT FACTORY DEFAULT
;DISABLE BLUE INSERTION FOR POINT TO POINT SYSTEMS
;IN A MULTIPOINT SYSTEM BLUE INSERTION SHOULD BE ENABLED.
;ENABLE ALARM LOGGER
TRANSMIT "CAD!"
;DISABLE BLUE INSERTION NODE 1 DP3019
TRANSMIT "CN1 T1 BE!"
TRANSMIT "CN1 T2 BE!"
TRANSMIT "CN1 T3 BE!"
;ENABLE PARITY CORRECTION NODE 1 DP3020
TRANSMIT "CN1 T1 PE!"
TRANSMIT "CN1 T2 PE!"
TRANSMIT "CN1 T3 PE!"
;ENABLE RX OVERHEAD NODE 1 DP3021
TRANSMIT "CN1 T1 RE!"
TRANSMIT "CN1 T2 RE!"
TRANSMIT "CN1 T3 RE!"
;ENABLE TX OVERHEAD NODE 1 DP3022
TRANSMIT "CN1 T1 TE!"
TRANSMIT "CN1 T2 TE!"
TRANSMIT "CN1 T3 TE!"
;SIGNAL DEGRADE 10E-8 NODE 1 DP3158
TRANSMIT "CN1 T1 S8!"
TRANSMIT "CN1 T2 S8!"
TRANSMIT "CN1 T3 S8!"
;DISABLE BLUE INSERTION NODE 2 DP3019
TRANSMIT "CN2 T1 BE!"
TRANSMIT "CN2 T2 BE!"
TRANSMIT "CN2 T3 BE!"
;ENABLE PARITY CORRECTION NODE 2 DP3020
TRANSMIT "CN2 T1 PE!"
TRANSMIT "CN2 T2 PE!"
TRANSMIT "CN2 T3 PE!"
;ENABLE RX OVERHEAD NODE 2 DP3021
TRANSMIT "CN2 T1 RE!"
TRANSMIT "CN2 T2 RE!"
TRANSMIT "CN2 T3 RE!"
;ENABLE TX OVERHEAD NODE 2 DP3022
TRANSMIT "CN2 T1 TE!"
TRANSMIT "CN2 T2 TE!"
TRANSMIT "CN2 T3 TE!"
;SIGNAL DEGRADE 10E-8 NODE 2 DP3158
TRANSMIT "CN2 T1 S8!"
TRANSMIT "CN2 T2 S8!"
TRANSMIT "CN2 T3 S8!"
;LINE LEARN ALL MULTIPLEXERS BOTH NODES
TRANSMIT "CN1 M1 L!"
TRANSMIT "CN1 M2 L!"
TRANSMIT "CN1 M3 L!"
TRANSMIT "CN2 M1 L!"
TRANSMIT "CN2 M2 L!"
TRANSMIT "CN2 M3 L!"
;CONFIGURATION IS COMPLETE EXIT THE PROGRAM
CLEAR
ALARM 1
LOCATE 10,20
MESSAGE "......CONFIGURATION COMPLETE......"
LOCATE 14,17
MESSAGE "CONTINUE WITH SECTION 5 OF CERTIFICATION"
ALARM 2
PAUSE 5
EXIT
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Glossary of Terms
4W Four Wire
ACO Alarm Cut-Off
ACTV Active (module -- carrying traffic)
AGC Automatic Gain Control
AIS Alarm Indication Signal -- indicates an alarm upstream
AMI Alternate Mark Inversion -- a technique by which the polarity of
alternate pulses is inverted
APD Avalanche Photo Diode -- used for detecting pulses of light
at the receive end of an optical fiber
AUD Audible alarm
BDF Battery Distribution Frame
BER Bit Error Rate
BIP Bit Interleave Parity
BPV Bipolar Violation -- signal is not alternating as expected
CAMMS Centralized Access Maintenance and Monitoring System --
a bay-mounted shelf with push buttons and an luminescent display,
which is used to control FMT-150 networks, as well as other
Northern Telecom transmission equipment
CDP Centralized Display Panel
CEV Controlled Environment Vault
CO Central Office
CPC Common Product Code -- a Northern Telecom code used to identify
equipment
DDD Direct Distance Dialing
DM-13 Digital Multiplexer which multiplexes between DS-1/1C/2 signals
and DS-3 signals
DNA Dynamic Network Architecture
E2A A serial interface for alarm polling of equipment
FE Frame Error
FER Frame Error Rate
FL Frame Loss
FLC Frame Loss Counter
FLS Frame Loss Seconds
FPD Future Product to be Developed
Group A multiplexed signal made up of four DS-1s, two DS-1Cs, or
one Ds-2
Hub An FMT-150 site which branches one 150 Mb/s signal into two or
three signals, in different directions, without sacrificing
OA & M continuity
LBR Loopback Request
MCU Maintenance Control Unit
MM Multimode Optical Fiber
MSB Most Significant Bit
Muldem Multiplexer/demultiplexer
NRZ Non-Return to Zero
OTT Optical Termination Tray
PEC Product Engineering Code -- a Norther Telecom code used to identify
equipment. The preferred code to be used when ordering Northern
Telecom equipment.
PER Parity Error Rate
PES Parity Error Seconds
RTO Ready To Order
SCU Service Channel Unit
SMB Sub-Miniature BNC type connector
SR Stuff Request
STX (Pseudo) Synchronous Transport Signal: First Level at
49.92 Mb/s (Northern Telecom)
TBOS Telemetry Byte Oriented System
VIS Visual Alarm
WDM Wavelength Division Multiplexing
XOW Express Orderwire
