Code Alarm SRT 5500 Specifications download pdf (Page 54)

December 2013

REQUEST FOR PROPOSALS FOR

PURCHASE AND DELIVERY OF HEAVY-DUTY BUSES

RFP SRTA-2014-01

TECHNICAL SPECIFICATIONS

PAGE-54

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* Rear Destination Sign, 16 rows by 48 columns; display height minimum 6.1

inches, display width 18”

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* Operator's Control Unit and Readout Display

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* All Cables and Accessories

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* PCMIA's and Programming Software

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20.2 Destination Sign Type

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a. The System shall be microprocessor-based utilzing approved bi-directional serial

communications, such as; S.A.E. J1708 or IBIS, E.I.A. RS-485, between System

components, and shall utilize error detection techniques within the communication

protocol.

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b. Independent Controller Boards shall be mounted in the front and side destination sign.

The System shall be capable of communicating with, and/or controlling additional

information devices, such as interior information signs, Voice Annunciation devices,

farebox, etc. The System shall provide for destination and/or Public Relations (P/R)

message entry.

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c. Flash memory integrated circuits shall be capable of storing and displaying up to 10,000

message lines. Message memory shall be changeable by the use of a PCMCIA Card of

not less than one (1) megabyte memory capacity but sized according to the message

listing noted herein.

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d. The System shall have the ability to sequentially display multi-line destination messages,

with the route number portion remaining in a constant “on” mode at all times, if so

programmed. It shall also be capable of accepting manual entry of Route Alpha/Numeric

information on any/all signs.

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e. The System shall allow two (2) destination messages and one (1) public relations

message to be pre-selected. The operator shall be able to quickly change between the

pre-selected messages without re-entering the message code. Public relations

messages, when selected, shall be capable of being displayed alternately with the

regular route message or separately.

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f. The System message programming software shall provide a means of adjusting the

length of time the messages are displayed from one-tenth (1/10) second to twenty-five

(25) seconds duration. The blanking time between messages shall also be adjustable.

Each line of text or the blanking time of each individual message shall be capable of

having a different retention time.

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g. The System shall be of plug-in modular design, to facilitate maintenance and to allow

destination display board changes and additions without removing any signs from the

coach. The front and side sign system shall incorporate drive circuits and connectors for

plug-in of the rear sign. The entire display area of all signs shall be clearly visible in direct

sunlight or at night.

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h. An emergency message shall be activated by a push button or toggle switch in a location

to be approved by the SRTA. The emergency message shall be displayed on the front

sign only while signs inside the vehicle, including the OCU display, remain unchanged.

The emergency message shall be canceled by entering a new destination code, or power

cycling (after removal of the emergency signal).

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Code Alarm SRT 5500 Specifications Page 54

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