B&B Electronics 3PXCC2a Dokumentacja Pobierz pdf (Strona 14)

AE/LZB 119 1894 R1A INTERCONNECTING THE EQUIPMENT

NOTES:

1. VIEWED FROM BACK OF COMPUTER (MALE DB-9) OR

WIRING SIDE OF MATING CONNECTOR (FEMALE DB-9).

2. TX LINES MUST CONNECT TO "CRT" RX LINES AT

CEC/IMC CONCENTRATOR CARD OR PUNCH BLOCK, +

TO + AND - TO -.

RX LINES MUST CONNECT TO "CRT" TX LINES AT

CEC/IMC CONCENTRATOR CARD OR PUNCH BLOCK, +

TO + AND - TO -.

3. COLOR CODING INDICATES CABLE 19B804083P3 WIRE

COLORS. NOTE REQUIREMENT FOR FIELD-FABRICATED

DB-9-TO-DB-25 ADAPTER IF USING THIS CABLE.

54321

6 7 98

RS-422 RX-

(WHITE/ORANGE)

RS-422 RX+

(ORANGE)

RS-422 TX-

(WHITE/BLUE)

RS-422 TX+

(BLUE)

SIGNAL GROUND

(WHITE/GREEN)

CONNECTOR ON PLUG-IN

(EXPANSION) RS-422

BOARD 3PXCC2A; NOT ON

PC MAIN/SYSTEM BOARD!

Figure 5 – Plug-In RS-422 Board DB-9 Connector

Pin-Out (B&B Electronics 3PXCC2A Board)

RS-232 Interfacing (Remote Console Hook-Ups Via

4-Wire Modems And RS-232 Interconnections)

When the C3 Maestro is installed at a remote location

from the CEC/IMC, a serial control data link must be

established via RS-232 connections and 4-wire full-duplex

9600 baud data modems. Since the C3 Maestro requires a

dedicated or continuous serial link (non-dial-up), a 4-wire

leased line (or equivalent) meeting 3002 data grade

specifications must be employed between the CEC/IMC and

the C3 Maestro in a remote console installation.

Figure 7B shows typical control data interconnections

for a remote console installation using RS-232 connections

and full-duplex 4-wire modems. At the CEC/IMC Data

Concentrator Card, RS-232 connections are made at J13, not

J12. Observe all notes listed in the figure if wiring an

installation of this type. Recommended modem settings are

listed in the following sections.

If using the factory-supplied 3PXOCC1A board for PC-

to-modem link interfacing, the RS-422/232-related jumpers

on the board must be reconfigured from the factory default

positions to the positions as follows:

422/232 Jumpers

JP1A

−

JP1D

“232” positions

RTS/SD Jumper

JP2 “RTS” position

* See footnote on page 12.

If the PC is equipped with a 3PXCC2A board, the

RS-422/232-related jumpers on the board must be

reconfigured from the factory default positions to the

positions as follows:

422/485/232 Jumpers

JP1A and JP1F

“232” positions

ZyXEL Modem Configuration

The following procedure provides basic programming

instructions for ZyXEL™ U-1496 series modems when

employed in a C3 Maestro console-to-CIM dedicated 4-wire

line control data link. These modems are available in desk-

top and rack-mount versions. ZyXEL modems (and related

accessories) are stocked under part numbers 19A149786P6

thru P14. They feature front panel programming via a simple

keyboard, an LCD and several LED status indicators;

therefore the use of an external terminal or terminal

emulation software running on a PC is not required. Unless

otherwise noted in bold print, both modems in a modem

pair are programmed identically:

1. If necessary, using the modem’s

RESET

submenu,

reset the modem to the factory default configuration.

Refer to ZyXEL modem user’s manual for specific

instructions.

2. Access the modem’s

TERMINAL OPTIONS

submenu

and set each of the following options to the required

setting:

OPTION REQUIRED SETTING

DATA FORMAT ASYNC

CHARACTER LENGTH 10

COMMAND SET AT

DTE RATE OPTIONS FIXED AT DTE RATE

DTR OPTIONS 108.2 + RST

DCD OPTIONS TRACKS CARRIER

RTS OPTIONS IGNORED

DSR OPTIONS DATA SET READY

COMMAND ECHO DISABLED

RESULT CODE DISABLED

DTE ASYNC SPEED 9600

3. Access the modem’s

MODEM OPTIONS

submenu

and set each of the following options to the required

setting:

OPTION REQUIRED SETTING

LINK OPTIONS V.32 9600T

QUALITY ACTION AUTO RETRAIN

DEFAULT DIAL PH0

DIAL BACKUP DISABLED

GUARD TONE NONE

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 47 48

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