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RTMS Echo

Quick Start Guide

Mounting Height and Tilt Recommendations

Mount the RTMS Echo

NOTE: Always follow local wiring codes and local standards that apply 

to the location in which the RTMS 

Echo is being installed. 
1.  Attach the bracket to the roadside 

pole (or another specified 

location) using stainless steel 

banding or bolts.

2.  Secure the RTMS Echo to the 

mounting bracket using the 

washer, lock washer and nut. 

Make sure that the cable 

connector is on the bottom of 

the unit when it is mounted.

3.  Adjust the RTMS Echo to be 

perpendicular to the travel 

lanes and level with the road. 

This is the roll and can be fine 

tuned in section 5.

4.  Tilt the RTMS Echo so that the sensor is aimed at the farthest 

monitored zone. The tilt recommended in section 2 can be fine 

tuned in section 5.

5.  Hand tighten the nuts for the moment. Final tightening will be 

done after the aiming process (section 5).

CAUTION:

 Make sure the mains are 

turned off prior to connecting the wires.
6.  Undo the protective cap on the 

sensor’s connector.

7.  Insert the RJ-45 connector 

from the cable to the RJ-45 

receptacle on the bottom of the 

sensor.

8.  Tighten the cable’s locking 

collar by turning it a quarter   

turn to the right.

9.  Connect the other end of the 

cable to 12-24VDC power and communications in the breakout 

box according to the pinouts shown below. In addition, the silver 

(non-colored) wire must be connected to Earth ground.

NOTE: Surge suppression is recommended and filtering may be 

required (see the help system for details).

1

2

3

4

5

6

7

8

RJ-45

Green

White/Green

Orange

White/Orange

Blue

White/Blue

White/Brown

Brown

Rx-

Tx-

Rx+

Tx+

VIN+

VIN-
VIN-

VIN+

*Contact ISS Support for recommendations if outside these boundaries.

1

2

3

Closest Zone

(ft / m)

Recommended

Mounting Height 

(ft / m)

Recommended 

Tilt (degrees)

Maximum Recommended 

Detection Distance* 

(ft / m)

0 / 0

15 / 4.6

-27

100 / 30.5

5 / 1.5

15 - 22 / 4.6 - 6.7

-19 to -21

110 - 120 / 33.5 - 36.6

10 / 3.1

15 - 26 / 4.6 - 7.9

-16 to -20

120 - 140 / 36.6 - 42.7

15 / 4.6

15 - 28 / 4.6 - 8.5

-12 to -17

140 - 150 / 42.7 - 45.7

20 / 6.1

20 - 31 / 6.1 - 9.4

-12 to -16

160 - 170 / 48.8 - 51.8

25 / 7.6

23 - 34 / 7.0 - 10.4

-11 to -15

180 - 190 / 54.9 - 57.9

30 / 9.1

26 - 35 / 7.9 - 10.7

-11 to -13

200 / 61

35 / 10.7

28 - 35 / 8.5 - 10.7

-10 to -12

220 / 67.1

40 / 12.2

31 - 35 / 9.4 - 10.7

-10 to -11

235 / 71.6

45 / 13.7

33 - 35 / 10.1 - 10.7

-10

250 / 76.2

50 / 15.2

35 / 10.7

-10

250 / 76.2

55 / 16.8

35 / 10.7

-9

250 / 76.2

60 / 18.3

35 / 10.7

-8

250 / 76.2

•  Stainless steel banding and/or stainless steel bolts used 

to mount the sensor to a pole

•  Junction boxes
•  12-24 VDC power supply, etc.
•  Hand-held tally counter (recommended)

What’s in the Box

Scan to access Echo Online Help or by visiting

imagesensingsystems.com/echo-help

Other Required Equipment

•  RTMS Echo 
•  Mounting bracket

•  50 ft (15.24 m) cable

+

RJ-45 receptacle on the 

bottom of the sensor

Cable locking

collar

Cable RJ-45 connector

Mounting pole

Stainless steel band

Mounting bracket

Lock

Washer

Nut

Flat Washer

Echo Bracket

Mounting Bracket

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