3. Tighten the screw on the wire hole with a flat-head screwdriver to lock the cable.
NOTICE
There must be no exposed metal part at the joints of wire holes and bare wires on the 3-
pin terminal block.
Step 4 Connect the 3-pin Boolean output cable.
1. Insert pins of the 3-pin terminal block to the Boolean output interfaces of the router, and
then tighten the slotted screws at both ends of the terminal block with a flat-head
screwdriver.
2. Connect cables on the other to external digital input devices.
Huawei AR500&AR530&AR550 series Industrial Switch
Routers
Hardware Installation and Maintenance Guide
5 Installing an AR550 Series Industrial Switching Router
Issue 05 (2015-12-01) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
109
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