AMX IRLIB Bedienungsanleitung PDF herunterladen (Seite 20)

KI-1856C Rauland RANGER

Head End—

Installation

Page 20 of 55 (Jun-98)

and grouping classrooms so that no output exceeds 50,000 pF of capacitance. The

following table specifies the allowed distances:

Table 9. Maximum Cable Distances per run of

RANBROAD

Cable

Capacitance

(per foot)

Maximum Cumulative

Distance (in feet)

WP D291 26 2300

WP 291 45 1200

WP D2401 14.5 4000

WP D252401

(Plenum)

14.5 4000

Belden 8102 12.5 4500

•

The “To

CPU

” terminal of the first

RANBROAD

is generally connected to Com 2 of the

RANPCSW

Media Center. This port is used for Control System maintenance, such as

downloading Control Code, changing the Send Panel Program, and sending IR codes.

•

The “

232 In” and “

232 Out” male

9 connectors are used to allow the control-

link pseudo

485 signal to be converted to

232, travel via fiber or dedicated

modem, etc. The data rate is 19.2 kb. However, the data structure does not follow

conventional asynchronous formats such as those used by

s. The “

232 Out”

originates with the first

RANBROAD

, which contains the

RANCPU

, and is connected to

the

“

232 In” connector on the second

RANBROAD

. In like manner, the second

RANBROAD

’s “

232 Out” connector can be connected to a third

RANBROAD

’s

“

232 In” connector. At this time it is not known how many layers deep this can go.

The pinouts of these connectors follow:

Table 10.

Pin Number

232 Out

232 In Comments

LED

(out)

LED

(in)

Flashes “

CPU

Active”

LED

on front (optional)

2 RxD (in) TxD (out) Required

3 TxD (out) RxD (in) Required

DTR

(out)

DTR

(in) Required

GND GND

Required

If the units are in the same rack, wire them together by connecting Pin 1 to Pin 1, Pin 2

to Pin 2, etc. If the units are more than 50 feet apart, connect Pins 1–5 . to the

appropriate pins on the

232 fiber transceiver or modem. The pinouts of the standard

9 and

25 connectors used in these devices follow:

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 54 55

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