Bosch LTC 8500 Manuel d'instructions télécharger pdf (Page 45)

User Selectable DIP Switch Settings for Main CPU Bay

EN | 35

Note that the pin-out of the alarm port differs from that of the console port, so

the cable supplied with the optional LTC 8059/00 MCS package or with the

optional LTC 8850/00 GUI Software package can not be used when interfacing

with the alarm port. If necessary, see Section 23 “Main Bay Rear Panel Connec-

tor Pin-outs and Cable Pin-out,” on page 88 for the alarm port pin-outs.

•Switch 3 of S1002

This switch setting is ignored if DIP switch 7 (described below) is set to ON.

Current systems utilize a “variable speed” keyboard communication protocol.

Older systems and keyboards were limited to using “fixed speed” keyboard

communication protocols. In addition, there were two types of fixed speed pro-

tocols available. By default, newer CPUs are set to operate using “six poll byte”

variable speed mode, but if a newer CPU is installed into an older system, the

existing keyboards would not operate with this format. This option switch is

provided to support backward compatibility with the older style keyboards.

When this switch is set to OFF, the CPU communicates with the system key-

boards using a “four poll byte” protocol. When it is ON, the keyboard commu-

nication uses an “eight poll byte” protocol.

This option is a global system setting that determines the communication proto-

col that will be used for all keyboards connected to the system.

For reference, the following table lists the Allegiant Series keyboard models and

the protocol supported by each:

•Switch 4 of S1002

This switch allows the printer port on the rear of the main Allegiant bay to be

configured as an auxiliary console port when it is turned ON. See the descrip-

tion above regarding switch 2 for information on using an auxiliary console

port. The printer port has the same pin-out as the normal console port, so the

console cable supplied with the optional LTC 8059/00 MCS package or with

the optional LTC 8850/00 GUI Software package may be used to interface with

the printer port when switch 4 is ON. Communication parameters (baud &

handshake) for the printer port can be set using a keyboard (see User Function

31), or with the optional LTC 8059/00 MCS package or with the optional

LTC 8850/00 GUI Software package.

NOTE This feature can also be implemented via the PRT2CON CCL command using

an external PC, dumb terminal or other computing device. Refer to the Allegiant

Command Console Language (CCL) manual for complete information about

using CCL commands.

Keyboard model Supported protocols

TC8550KB 4 poll byte

TC8550KB-8 8 poll byte

TC8550 4 or 8 poll byte

TC8550A, TC8551A, TC8553 4, 6, or 8 poll byte

TC8554, TC8555 4, 6, or 8 poll byte

LTC 8553 Series 4, 6, or 8 poll byte

LTC 8555 Series 4, 6, or 8 poll byte

IntuiKey KBD-Universal 6 poll byte

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 103 104

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Bosch LTC 8500 Manuel d'instructions Page 45

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