Waveware Adaptive Serial LED Clock User Manual download pdf (Page 11)

ALPHA Serial Clock Manual

In a network with a PC that is connected to Alpha

clocks and

Alpha

signs, all the clocks should be set to slave mode. For more

information on using the Alpha

serial clock in a network, see the

document Network Configurations (p/n 9708-8046):

Table 2: Networking Alpha

serial clocks

(Example 2 — A network of clocks attached to a PC)

Unlike the previous all-clock network, in this example, a PC is connected to the network. All the clocks on the network

must be set to slave mode. Also, the last clock on the network must be terminated.

Item Part # Description

A 1088-9107

End-of-line (EOL) terminator. (An EOL must be plugged into the left—as you face the

back of the clock—RJ11 phone jack.)

B — Ferrite (ferrite end towards sign)

1088-8624 8 foot, 4-conductor RS485 cable

1088-8636 1 foot, 4-conductor RS485 cable

D 4331-0602 Modular Network Adapter

E 1088-8000 RS485 cable

F 1088-1111 Converter Box III

G 1088-8634 10 foot, 9 pin-to-9 pin, type “A9” RS232 cable

H — serial port DB25-to-DB9 RS232 adapter (may be required by your computer)

To either

phone jack

Set switch to Terminated.

To one of the

PC’s COM

(RS232) ports

To RS485

connector

block

PC running

AlphaNET plus™ software

Alpha

serial clocks

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Waveware Adaptive Serial LED Clock User Manual Page 11