Rockwell Automation 1785-TR10B5 Coax Transceiver for 10BASE5 Installation Instructions - Manual (Page 2)

1785-5.17 - January 1999
2 Coax Transceiver for 10BASE5
Installation SQE Test
The slide switch located beside the three control LEDs is used to activate
and deactivate the SQE test.
Power Supply
The operating voltage (+12 V) is taken from the connected device via the
15-pin Sub-D socket of the AUI interface.
Coupling the Transceivers
with the Coax Cable
(10BASE5) 1785-TR10B5 with cable piercing tap
The vampire terminal consists of these single items:
•
1 top section
•
1 socket-head cap screw
•
1 bottom section
•
2 contact springs
•
1 contact needle
SQE-Test
Generator
TX Packet
Detect
Jabber
Protect
Collision
Detect
Collision
Osc.
RX-Data
ENABLE/
DISABLE
DO
CI
DI
Coax
cable
TX
RX
Important: Before placing the transceiver in operation, you should check to
see whether the connected device requires the SQE test to be on
or off.
The distance between two transceivers fitted on the same coax segment
must be at least 2.5 meters.