GTT Canoga C924 Series User manual

Canoga
Traffic Sensing System
C924X Series Vehicle Detector
Installation Manual January 2013


Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
Table of Contents – i
Table of Contents
1About This Manual ........................................................................................1
1.1 Manual Organization..................................................................................... 1
1.2 Purpose of Manual ....................................................................................... 1
1.3 Manual Audience ......................................................................................... 2
1.4 Model Numbers........................................................................................... 2
1.5 Manual Conventions...................................................................................... 2
2Safety........................................................................................................3
2.1 Intended Use.............................................................................................. 3
2.2 Technical Support........................................................................................ 3
2.3 Safety Messages .......................................................................................... 3
2.4 Safety Considerations ................................................................................... 3
2.4.1 Personal Safety Equipment & Clothing .................................................. 3
2.4.2 Work Zone Traffic Control................................................................. 4
2.4.3 Electric Shock................................................................................ 4
2.5 Disposal of Device........................................................................................ 4
2.6 Regulatory Requirements Conformance.............................................................. 4
3Hardware Installation ....................................................................................5
3.1 Pre-Installation........................................................................................... 5
3.2 Card Rack Wiring......................................................................................... 5
3.2.1 Switch/Call Outputs ......................................................................... 6
3.2.2 Disturbance/Status Outputs............................................................... 6
3.2.3 Optional Synchronized Vehicle Detector Rack Wiring................................. 6
3.2.4 Rear Connector Communication Port Wiring............................................. 7
3.2.5 Remote Reset Wiring ....................................................................... 7
3.3 Communication Connections ........................................................................... 7
3.3.1 Cable - Front Port to PC (9-Pin DSUB sockets both ends)............................... 8
3.3.2 Cable – Front Port to Modem (9-Pin DSUB pins)........................................ 8
3.3.3 Cable – Rear C92x TIA-485 Half Duplex Port to PC or Modem........................ 8
3.3.4 Cable - C92x Rear TIA-232 Port to PC .................................................... 9
3.3.5 Cable - C92x Rear TIA-232 Port to Modem............................................... 9
3.4 Accessory Module Installation.........................................................................11
3.5 Install TIA-485 Transmission Line Load..............................................................11
3.6 Vehicle Detector Installation..........................................................................11
4Software Installation .....................................................................................13
4.1 System Requirements....................................................................................13
4.1.1 Minimum System Requirements..........................................................13
4.1.2 Recommended System Requirements...................................................13
4.1.3 Optional Communication Accessories...................................................13
4.2 Installing Configuration Software.....................................................................13

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
ii – Table of Contents
4.3 Technical Support .......................................................................................14
5Vehicle Detector Setup & Configuration ............................................................15
5.1 Factory Defaults & Quick Startup .................................................................... 15
5.1.1 Quick Startup...............................................................................15
5.2 Recommended Setup & Configuration............................................................... 18
5.2.1 Initial Hardware Setup.................................................................... 18
5.2.2 Determining Your Configuration Method............................................... 19
5.2.3 Manual Configuration Setup Procedure................................................. 19
5.2.4 Software Setup Procedure................................................................ 22
6Historical Traffic Data ..................................................................................51
6.1 Retrieving Historical Traffic Binning Data ............................................................ 51
6.2 Analyzing Traffic Binning Data ........................................................................ 53
6.3 Saving Traffic Binning Data ........................................................................... 54
6.4 Examining Previously Saved Traffic Binning Data.................................................. 54
6.5 Exporting Traffic Binning Data to a File............................................................. 55
6.6 Importing Traffic Binning Data to Excel............................................................. 56
6.7 Printing Traffic Binning Data ........................................................................... 59
7Troubleshooting...........................................................................................61
7.1 Eliminating Crosstalk................................................................................... 61
7.2Detecting, Controlling & Eliminating Sensing Channel Noise.................................... 61
7.3 Low Sensor Response to Vehicles .................................................................... 62
7.3.1 Microloop....................................................................................62
7.3.2 Loop.......................................................................................... 62
7.4 Diagnostic Codes........................................................................................ 63
8Product Description and Specifications .............................................................64
8.1 Companion Products ................................................................................... 64
8.1.1 Canoga™ C900 Configuration Software ................................................. 64
8.1.2 Canoga™ 702 Non-Invasive Microloop™ ................................................. 65
8.1.3 Canoga™ 701 Microloop™ ................................................................. 65
8.1.4 832 Communication Module.............................................................. 65
8.1.5 Canoga™ 848 Memory Module............................................................ 65
8.1.6 Canoga™ 30003 Home-Run Cable........................................................ 65
8.2 Vehicle Detector Specifications ...................................................................... 65
8.2.1 Electrical....................................................................................65
8.2.2 Dimensions..................................................................................66
8.2.3 Weight....................................................................................... 66
8.2.4 Operational Environment................................................................. 66
8.2.5 Outputs......................................................................................66
8.2.6 Tuning .......................................................................................66
8.2.7 Tuning Range ............................................................................... 66
8.2.8 Sensitivity Type ............................................................................ 66

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
Table of Contents – iii
8.2.9 Sensitivity ...................................................................................67
8.2.10 Frequency per Channel....................................................................67
8.2.11 Power Switch................................................................................67
8.2.12 Communication Ports......................................................................68
8.2.13 Front Panel LED Indicators................................................................68
8.2.14 Sensitivity Operating Modes ..............................................................69
8.2.15 Environmental Adaptation................................................................70
8.2.16 Max Presence Configuration..............................................................70
8.2.17 Synchronization.............................................................................70
8.2.18 Real-Time Vehicle Speed and Length Measurement Calculated by C900-CS......70
8.2.19 Historical Traffic Data Binning...........................................................71
8.2.20 Real-time Clock Operation................................................................71
8.2.21 Delay and Extension .......................................................................72
8.2.22 Sensitivity and Mode Selection...........................................................72
8.2.23 Recovery Method...........................................................................73
8.2.24 Long-Loop Counting........................................................................73
8.2.25 Loop and Home-Run Wiring...............................................................73
8.2.26 Direction Detection........................................................................74
8.2.27 Real Time Activity Monitoring............................................................74
Tables of Figures & Tables
Figure 3-1 Switch/Call Output Structure................................................................. 6
Figure 3-2 C924 Channel Disturbance/Status Output................................................ 6
Figure 3-3 Null Modem Cable Schematic................................................................. 8
Figure 3-4 Cable – Rear C92x TIA Half Duplex Port to PC or Modem ........................... 8
Figure 3-5 Cable – Rear C92x TIA-232 Port to PC .................................................... 9
Figure 3-6 Cable – Rear C92x TIA-232 Port to Modem.............................................. 9
Figure 3-7 Accessory Module Installation...............................................................11
Figure 5-1 Delay/Extension Switches ....................................................................20
Figure 6-4 Front Panel Switches and Indicators ......................................................21
Figure 5-2 Typical Sensitivity Settings...................................................................33
Figure 8-2 C924X Vehicle Detector Front Panel.......................................................67
Table 1-1 Manual Conventions ............................................................................. 2
Table 3-1 C924X Vehicle Detector Card-Edge Connector Contact Assignments ...........10
Table 5-1 C924X Settings ...................................................................................16
Table 5-2 Delay and Extension Switch Values ........................................................20
Table 5-3 Sensitivity Setting Values .....................................................................32
Table 7-1 Diagnostic Codes ................................................................................63
Table 8-1 Sensitivity Detection Thresholds ............................................................67

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
iv – Table of Contents

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
About This Manual – 1
1About This Manual
1.1 Manual Organization
Section 1 About This Manual
Contains information about the organization and content of this manual.
Section 2 Safety
Contains important information about safety messages and safety precautions and regulatory
Requirements Conformance including testing the traffic monitoring cards for conformance to
regulatory requirements.
Section 3Hardware Installation
Describes the steps involved to install C924X into NEMA, 170 and 2070 style detector racks.
Section 4 Software Installation
Describes system requirements and step-by-step procedures for installing C900 Configuration Software.
Section 5 Quick Setup
Describes the minimum items that must be covered to start up a new vehicle detector.
Section 6 Vehicle Detector Setup & Configuration – Recommended Steps
Describes, in a step-by-step manner, how to set the operating parameters for the C924X vehicle
detectors. It also describes how to check that the desired operation is being obtained.
Section 7Historical Data Retrieval, Examination, Saving, Exporting, Printing
Describes how to retrieve, examine, save, export and print historical traffic data stored in the
detector.
Section 8 Troubleshooting
Describes how to eliminate crosstalk between channels and provides the diagnostic codes displayed by
the front panel LED indicators when faults occur.
Section 9 Product Description & Specification
Describes Canoga™ C924X Vehicle Detectors (referred to in this document as C924X), components of
the Canoga™ Traffic Sensing System, and their companion products. Also provides specification
details.
1.2 Purpose of Manual
This manual provides the installation and setup information required to successfully install C924X
vehicle detectors. In addition to installation instructions, this manual contains information useful for
retrieving and saving traffic data stored in the vehicle detectors, and for troubleshooting and
maintaining systems containing C924X vehicle detectors.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
2 – About This Manual
1.3 Manual Audience
This manual is written for GTT certified traffic system installers and maintenance technicians.
1.4 Model Numbers
The C924X vehicle detectors have four-channels (two channel pairs). All vehicle detectors are
components of a matched component system.
The switch outputs (channel call/vehicle detected outputs) on all models are optically isolated
Darlington pair outputs.
1.5 Manual Conventions
The conventions listed in Table 1-1 help to make this manual easier to use by presenting a uniform
approach to the descriptions, phrases, and nomenclature.
Table 1-1 Manual Conventions
Element Convention Example
Acronyms Uppercase LED
Abbreviations Lowercase
Except where standard usage is
uppercase
ms (milliseconds)
Mb (megabits)
MB (megabytes)
dB (decibel)
Model Names First or formal reference:
initial caps
Subsequent use or informal
reference: initial caps for
Model, lowercase for
remainder
C924X Vehicle Detector, detector,
or card
C924X Vehicle Detector, detector,
or card

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
Safety – 3
2Safety
We include important safety information and warnings to help you understand and avoid potential
harm to yourself, and possible damage to the equipment, during the installation of the C924X vehicle
detectors. Although we have included potential hazards that you may encounter during the
installation of this equipment, we cannot predict all of the possible hazards and this list should not be
a substitute for your judgment and experience.
NOTE: Please read and observe all safety information and instructions in this manual before
installing the system equipment.
If you are unsure about any part of this installation or of the potential hazards discussed, please
contact your supervisor immediately.
2.1 Intended Use
The Canoga™ Traffic Sensing System, including vehicle detector(s), used with C900 Configuration
Software (C900-CS) is intended to provide traffic measurement and vehicle detection information for
use in Intelligent Transportation Systems and Advanced Traffic Management Systems.
The Canoga Traffic Sensing System consists of the C924X vehicle detectors, the C900-CS configuration
software and the GTT 701 or 702 Microloops™. The vehicle detectors may also be connected to
standard inductive loops.
2.2 Technical Support
If you have any questions about the system, its use, or operation, please call the GTT Technical
Service Department at 1-800-258-4610 or +1 (651) 789-7333 (Worldwide Technical Service).
2.3 Safety Messages
We include safety messages in this manual to help protect your safety and the safety of others. This
section contains important information to help you recognize and understand these safety messages.
NOTE: Please read these messages before proceeding with the installation.
2.4 Safety Considerations
Please consider the following safety issues before beginning the installation.
Although we have compiled this list of common safety considerations, it should not be considered as
complete. It is not intended to take the place of your good judgment, training, and experience.
2.4.1 Personal Safety Equipment & Clothing
Personal safety equipment and clothing including high visibility vests, hard hats, gloves, electrical
shock or electrocution protection clothing and equipment, safety shoes, safety glasses, face shields,
goggles, and hearing protection devices are just some of the items available to you.
Choose the right equipment for the job. If you are unsure of which safety equipment is recommended
or appropriate for the job, ask your supervisor or foreman.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
4 – Safety
2.4.2 Work Zone Traffic Control
Proper control of vehicle traffic is important during many procedures. When necessary, we
recommend that you have people trained in manual traffic control, such as police officers, assist you.
When you install devices that require you to position vehicles, equipment, or people in or near the
roadway it is important that you use appropriate work zone traffic control techniques, equipment, and
procedures. Sometimes you may have to work on or near the roadway and these same techniques,
equipment, and procedures should be used for your protection.
If you are unsure of which procedures are recommended or appropriate for the job, ask your supervisor
or foreman.
2.4.3 Electric Shock
The possibility of electrical shock exists when installing Canoga™ C924X vehicle detectors if they are
not installed properly. Follow proper work procedures and read and understand the safety messages in
this manual.
As a trained installer of electrical equipment, you are aware of the dangers associated with
installation of electrical devices. Always be sure that the power to the equipment, and all associated
equipment, is off before beginning any procedure. Use the equipment, techniques, and procedures
that you learned during your training or apprenticeship or other electrical industry recognized safety
procedures.
If you are unsure of which procedures are recommended for the job, ask your supervisor or foreman.
2.5 Disposal of Device
Please dispose of the device in accordance with all local government laws and regulations.
2.6 Regulatory Requirements Conformance
Canoga C924X vehicle detectors meet US FCC Part 15, Subpart B and Canada ICES-003, Issue 5: 2012
requirements.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
Hardware Installation– 5
3Hardware Installation
This section describes how to check and install card rack wiring, how to install accessory modules on
the Canoga C924X vehicle detectors, and how to install those vehicle detectors.
3.1 Pre-Installation
Check the card rack or input file connector to be sure that it is a properly wired 44 contact card-edge
connector.
The connectors must be fully wired, including wired for channel synchronization and serial
communication, to fully take advantage of the advanced features of vehicle detectors.
In Table 3-1 C924X Vehicle Detector Card-Edge Connector Contact Assignments on page 10 indicates
the pin assignments on the board as viewed from the front of the card rack (looking into the slot). The
numbered contacts are on the “component side” or left side of the board, and the lettered contacts
are on the “circuit side” or right of the board.
Warning! Plugging a vehicle detector into the wrong connector may cause improper operation of the
traffic control system, which may result in personal injury. To avoid this problem, be sure to plug
the vehicle detector into 22/44-contact connector C924X intended for vehicle detectors. Improper
operation of the traffic control system may result in unsafe driver action.
You will need card rack mounting tools, hardware as required, and connection wire that meets
applicable electrical codes and any standards established at the installation site.
See Section 8.2 Vehicle Detector Specifications on page 65 for power requirements.
3.2 Card Rack Wiring
1. If the card rack is not pre-wired or you replaced a connector in the card rack, install the
wiring.
See Table 3-1 C924X Vehicle Detector Card-Edge Connector Contact Assignments on page 10
to determine the required connections.
2. Make all connections to the pins on the rear of the card rack connector into which the vehicle
detectors will plug. Any of the inputs or outputs not used in your application can be left
unconnected except in configurations where vehicle detector synchronization is used. In this
case, a short must be placed across the sensor inputs for unused channels.
3. If the card rack is pre-wired, verify the wiring is compatible with Table 3-1 C924X Vehicle
Detector Card-Edge Connector Contact Assignments on page 10.
Warning! Improper wiring of the card rack connector may cause incorrect operation of the
vehicle detector and affect the traffic control system, which may result in personal injury.
To avoid this problem, verify that the card rack connectors and wiring are appropriate.
Improper operation of the traffic control system may result in unsafe driver action.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
6 – Hardware Installation
3.2.1 Switch/Call Outputs
The structure of the channel switch/call outputs is indicated in Figure 3-1 Switch/Call Output
Structure below. The + terminal of each output must be connected to the more positive of the two
Connect the outputs only to load configurations that meet the requirements stated in Section 8.2
Vehicle Detector Specifications on page 65.
Figure 3-1 Switch/Call Output Structure
3.2.2 Disturbance/Status Outputs
The structure of the channel disturbance/status outputs in C924X units is indicated in Figure 3-2
C924X Channel Disturbance/Status Output below. The + terminal of each output must be connected to
the more positive of the two load terminals. Pin A is the internal DC supply common conductor of the
vehicle detector.
7, 20, 16, 22
A
Channel
Disturbance
Signal External
+
-
Figure 3-2 C924X Channel Disturbance/Status Output
3.2.3 Optional Synchronized Vehicle Detector Rack Wiring
To use the Synchronization feature of the C924X vehicle detectors, the card rack connectors that
receive vehicle detectors must be wired as follows:
For C924X
1. All number 1 contacts (Synchr. Conduct. 1) must be bussed on the card rack.
2. All number 2 contacts (Synchr. Conduct. 2) must be bussed on the card rack.
3. All A contacts (0 VDC reference) must be bussed on the card rack.
See Table 3-1 C924X Vehicle Detector Card-Edge Connector Contact Assignments on page 10 for card
rack connector pin assignments.
Warning! The edge connector contacts on C924X units that have the SYNC I/O lines, pin 1 and pin 2,
are specified as GREEN input lines on NEMA vehicle detectors. If the inputs to any load switches are
connected to edge connector pins 1 and 2, remove those connections. Failure to do so may interfere
with load switch control and cause a controller cabinet conflict monitor or malfunction management
unit to place the intersection into flash.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
Hardware Installation– 7
3.2.4 Rear Connector Communication Port Wiring
To use the rear communication port on C924X vehicle detectors, the card rack connectors that receive
vehicle detectors must be wired as follows. These points must then be connected to the appropriate
pins of a connector going to a device communication port.
For C924X
1. All number 19 contacts (TIA-485-A or TIA-232 TX output) must be bussed on the card rack.
2. All number 21 contacts (TIA-485-B or TIA-232 RX input) must be bussed on the card rack.
3. All A contacts (0 VDC reference) must be bussed on the card rack.
3.2.5 Remote Reset Wiring
A remote reset input is available on vehicle detector rear connector. Remote Reset is activated by a
LOW on these slot terminals:
C924X unit – 3(+) to A(-)
Racks may be individually wired so that a single unit may have Remote Reset applied.
Racks may have the Remote Reset inputs for each slot all wired in parallel. Applying a Remote Reset
to one unit will then cause all units to be reset.
When the remote reset input is forced to a voltage below 6 volts for a period greater than 17
milliseconds, the vehicle detector will reset and establish a new Reference Frequency for each loop
(channel) that is turned ON.
Warning! When you reset the vehicle detector, all vehicles currently over the sensors will be tuned
out and possibly left undetected. This may cause improper operation of the traffic control system,
which may result in personal injury. Improper operation of the traffic control system may result in
unsafe driver action. To avoid this problem, take the appropriate steps to prevent vehicles from
being left undetected at an intersection or other traffic control point when you reset the vehicle
detector.
3.3 Communication Connections
The Canoga C924X vehicle detectors each contain a front panel TIA-232 port connector and are
configured as Data Terminal Equipment (DTE) devices. [A PC is a DTE device; a modem is a DCE (Data
Communication Equipment) device.] Two independent communication channels are supported. On
the front panel, a 9-pin D subminiature (pin contacts, female shell as prescribed for DTE devices)
provides full-duplex TIA-232 communication with TX and RX signals supported. An RTS signal is present
with signal levels that are TRUE when the vehicle detector is transmitting and high impedance when it
is listening. The CTS signal is terminated with a receiver circuit, but is functionally ignored.
The standard rear communication port is TIA-485 and is terminated at the card rack connector. This is
a two-wire, half-duplex interface.
NOTE: To ensure proper TIA-485 transmission line loading, place a jumper across JP5 on one
vehicle detector card in the rack.
With the installation of an optional 832 communication module, the rear communication port becomes
full-duplex TIA-232 supporting only TX and RX signals.
Both communication ports can be programmed for baud rates of 1200, 2400, 4800, 9600 (default),
19,200 and 38,400. Communication uses 8 bits, no parity, and 1 stop bit.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
8 – Hardware Installation
See Table 3-1 C924X Vehicle Detector Card-Edge Connector Contact Assignments on page 10 for more
information on rear communication port rack wiring.
3.3.1 Cable - Front Port to PC (9-Pin DSUB sockets both ends)
To connect a PC to the front panel TIA-232 port, you may use a GTT C900 Communication Cable or a
null modem cable that conforms to the connections indicated in Figure 3-3 Null Modem Cable
Schematic below.
DB9 Socket End Mating Side
(Same connector on both ends)
1
5
6
9
DXD (Input to PC) 1.
TXD (PC data transmit output) 3.
DTR (PC Output) 4.
DC Common 5.
DSR (PC Input) 6.
9 Pin DSUB (PC)
RXD (PC data receive input) 2.
RTS (PC Output) 7.
CTS (PC Input) 8.
RI (PC Input) 9.
1. DXD (card is NC)
3. TXD (card data transmit output)
4. DTR (card is NC)
5. DC Common
6. DSR (card is NC)
9 Pin DSUB
(vehicle detector)
2. RXD (card data receive input)
7. RTS (card output)
8. CTS (card input)
9. RI (card is NC)
Figure 3-3 Null Modem Cable Schematic
3.3.2 Cable – Front Port to Modem (9-Pin DSUB pins)
To connect a modem to the front panel TIA-232 port, you may use a standard serial communication 9-
Pin DSUB extension cable. If the modem requires a 25-Pin DSUB, use a standard Male 9-Pin DSUB to
Male 25-Pin DSUB converter.
3.3.3 Cable – Rear C924X TIA-485 Half Duplex Port to PC or Modem
The rear TIA-485 communication port on a C924X can be connected to a modem or PC using the cabling
indicated in Figure 3-4 Cable – Rear C92x TIA Half Duplex Port to PC or Modem below. The most
common means of connection to a TIA-485 port is via a terminal block. The modem or PC must be
configurable for half duplex. Another option is to use a full duplex to half-duplex converter in
between the vehicle detector(s) and the modem or PC.
Figure 3-4 Cable – Rear C924X TIA Half Duplex Port to PC or Modem

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
Hardware Installation– 9
3.3.4 Cable - C924X Rear TIA-232 Port to PC
The rear TIA-232 communication port, obtained by installing an 832 communication module on a
C924X, may be connected to a PC using the cabling indicated in Figure 3-5 Cable – Rear C924X TIA-232
Port to PC below. The cable goes from the bussed port wires on the rear of the rack to a 9-pin DSUB
with socket contacts.
Figure 3-5 Cable – Rear C924X TIA-232 Port to PC
3.3.5 Cable - C924X Rear TIA-232 Port to Modem
The rear TIA-232 communication port, obtained by installing an 832 communication module on a
C924X, may be connected to a modem using the cabling shown in Figure 3-6 Cable – Rear C924X TIA-
232 Port to Modem. The cable goes from the bussed port wires on the rear of the rack to a 9-pin DSUB
with pin contacts.
Figure 3-6 Cable – Rear C924X TIA-232 Port to Modem

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
10 – Hardware Installation
Table 3-1 C924X Vehicle Detector Card-Edge Connector Contact Assignments
Pin Function C924X Pin Function C924X
A Common of +VDC (0 VDC) 1 Synchronize Conductor 1
B +VDC (+10.8VDC to 38VDC) 2 Synchronize Conductor 2
C RESET External 3 No Connection
D Channel 1 Loop Input A 4 Channel 1 Redundant Loop Input A
E Channel 1 Loop Input B 5 Channel 1 Redundant Loop Input B
F Channel 1 Switch/Call Output (C) 6 No Connection
H Channel 1 Switch/Call Output (E) 7 Channel 1 Disturbance Signal (OC)
J Channel 2 Loop Input A 8 Channel 2 Redundant Loop Input A
K Channel 2 Loop Input B 9 Channel 2 Redundant Loop Input B
L PE (Protective Earth) 10 No Connection
M No Connection 11 No Connection
N No Connection 12 No Connection
P Channel 3 Loop Input A 13 Channel 3 Redundant Loop Input A
R Channel 3 Loop Input B 14 Channel 3 Redundant Loop Input B
S Channel 3 Switch/Call Output (C) 15 No Connection
T Channel 3 Switch/Call Output (E) 16 Channel 3 Disturbance Signal (OC)
U Channel 4 Loop Input A 17 Channel 4 Redundant Loop Input A
V Channel 4 Loop Input B 18 Channel 4 Redundant Loop Input B
W Channel 2 Switch/Call Output (C) 19 TIA-485 (A- ) or TIA-232 (TX) with
M832 Option
X Channel 2 Switch/Call Output (E) 20 Channel 2 Disturbance Signal (OC)
Y Channel 4 Switch/Call Output (C) 21 TIA-485 (B+) or TIA-232 (RX) with
M832 Option
Z Channel 4 Switch/Call Output (E) 22 Channel 4 Disturbance Signal (OC)
Pins 1 through 22 is on the top (component) side and pin A through Z is on the back (solder side).
Polarization keys are located at three positions: Between B/2 and C/3, Between M/11 and N/12, Between E/5 and F/6.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
Hardware Installation– 11
3.4 Accessory Module Installation
If you are installing either the optional 832 Communication Module or the optional 848 Memory Module,
perform the following steps:
1. Remove the two jumpers from the 5-pin connector on the vehicle detector.
Figure 3-7 Accessory Module Installation
2. Plug the optional accessory module into the vehicle detector board. Be sure the pins on the
accessory module match the pin configuration on the vehicle detector board. Also, use care
when inserting or removing the module to avoid bending or breaking the pins.
3. Secure the Accessory Module to the vehicle detector by installing the screw as shown in Figure
3-7 .
4. When using the 832 communication module (TIA-232) to communicate with more than one
C924X vehicle detector in a rack, remove jumpers JP1 and JP2 on all modules except one. The
JP1/JP2 jumpers must be installed on only one vehicle detector to enable pull-down resistors
on the transmit and receive lines.
3.5 Install TIA-485 Transmission Line Load
When the rear TIA-485 communication ports are parallel connected to multiple vehicle detector cards,
place a jumper across JP5 on one vehicle detector card in the rack to ensure proper TIA-485
transmission line loading.
3.6 Vehicle Detector Installation
1. Plug the vehicle detector into an appropriately wired connector in the card rack or input file.
2. Setup and configure the vehicle detector for your application.
See Section 4 - Software Installation on page 13 and Section 8 - Vehicle Detector Specifications on page
65.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
12 – Hardware Installation

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
Software Installation– 13
4Software Installation
Canoga™ C900 Configuration Software (C900-CS) is a configuration, diagnostic, and data collection tool
intended for use with the C924X vehicle detectors. C900-CS is an applet that runs under ITS Link,
which is the program used to launch the GTT configuration software. GTT recommends using ITS Link
version 3.4.08 or later with the 924X which is free download from http://www.GTT.com.
4.1 System Requirements
4.1.1 Minimum System Requirements
•Windows® XP or later Windows Operating Systems
•Microsoft® Internet Explorer 6.0 or greater
•XML libraries
•CD-ROM drive for installation
4.1.2 Recommended System Requirements
•Intel® Pentium® II 266 MHz or faster compatible processor
•30 MB disk space minimum
•64 MB RAM minimum
4.1.3 Optional Communication Accessories
•Windows-compatible printer
•Modem and/or Internet access device
•Local area network (file sharing)
4.2 Installing Configuration Software
You must be running Windows XP or later operating system to install ITS Link/C900-CS configuration
software.
NOTE: Close all programs and turn off virus protection software to prevent installation
conflicts. Certain virus protection software may view installation files as a potential virus and
can slow system performance considerably.
You must be logged in as an Administrator to install ITS Link and C900-CS.
GTT recommends that you save ITS Link from the website to the local hard drive.
1. Run ITSLink_Setup.exe from the saved file location.
2. Click OK, and follow the instructions on your screen.
3. The Setup program guides you through the installation process.

Canoga™ Vehicle Detectors
Canoga™ C924X Series Installation Manual
14 – Software Installation
4.3 Technical Support
If you encounter problems while installing C900 Configuration Software, call Technical Support at 1-
800-258-4610 or +1 (651) 789-7333 (Worldwide Technical Service). For help with technical issues, see
the GTT Website, which you can access by pointing your Web browser to http://www.GTT.com.
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