Bosch LTC 8500 Instruction Manual download pdf (Page 46)

EN | 36 Bosch Security Systems | December 13, 2005

•Switch 5 of S1002

This switch controls the system security modes. When this switch is set to ON,

the system log-in features can be controlled using keyboard User Function 27

and User Function 28 (refer to the section on Keyboard User Functions for com-

plete information). Users with Priority 1 can access keyboard User Function 27

to select if the system keyboard log-in feature is enabled or disabled. When

enabled, the system keyboards require each user to log into the system and to

log-off the system. All users are required to enter a user number and the correct

password before the system permits interaction.

Users with Priority 1 can also access User Function 28 to select if the console

port log-in feature is enabled or disabled. When enabled, any external PC or

other computing device is required to log into the system and to log-off the sys-

tem. All users are required to enter a user number and the correct password

before the system permits interaction

If this switch is turned OFF or if the features are disabled using User Functions

27 and 28, the system keyboards and the console port are always online with

the system.

NOTE When changing from the no 'log-on' mode to the 'log-on' mode, all system key-

boards are initially 'logged-off'.

•Switch 6 of S1002

This switch is currently not used and should be left OFF.

•Switch 7 of S1002

This switch controls the system keyboard polling mode. When switch 7 is ON

(factory default), the CPU communicates with all system keyboards via a “6 poll

byte” communication protocol. This format provides variable speed pan/tilt

control for AutoDome-equipped camera sites. Refer to the information for

Switch 3, above, for more details.

NOTE The variable speed mode is not compatible with the pre-1996TC 8561receiver/

drivers without using an LTC 8785 Series Code Converter unit.

Dip switch 7 can be turned OFF (usually at system installation) to allow opera-

tion with the older fixed speed-only type keyboards that are able to communi-

cate only using the older format. In this mode, the system can communicate

with the older TC8561 Series of receiver/drivers without using the LTC 8785

Code Converter unit. Note that the fixed speed keyboard mode allows access to

only the first 63 auxiliary and pre-position functions. This is not an issue on

older receiver/driver versions, but may pose a problem if the system must be

expected to access all functions available in the AutoDome Series of pan/tilt/

zoom dome cameras or the higher preposition numbers in current versions of

Allegiant receiver/drivers.

•Switch 8 of S1002

This switch controls the protocol settings of the external RS-232 port which con-

nect to the Console, Printer, and Alarm.

If the switch is turned OFF, the system uses the factory default settings for the

RS-232 data communication protocols as listed below.

With switch 8 ON, any RS-232 port protocols changed using the keyboard (see

User Function 30), the optional LTC 8059/00 MCS package, or the optional

LTC 8850/00 GUI Software package are active.

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