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Connecting the PTX5000 Packet Transport Switch to an External Alarm-Reporting
Device
Related
Documentation
Connecting PIC Cables to the PTX5000 Packet Transport Switch
Copyright © 2012, Juniper Networks, Inc.
Chapter 10: Connecting the PTX5000 Packet Transport Switch to External Devices
To connect an external device to an alarm relay contact on the craft interface:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
CAUTION:
During the initial installation before the chassis is grounded,
you must connect to an approved site ESD point. See the instructions for
your site.
Prepare the required length of wire with gauge between 28-AWG and 14-AWG (0.08
2.
2
and 2.08 mm
).
While the terminal block is not plugged into the relay contact, use a 2.5-mm flat-blade
3.
screwdriver to loosen the small screws on its side. With the small screws on its side
facing left, insert wires into the slots in the front of the block based on the wiring for
the external device. Connect the major and minor alarm circuits to the
open) pins on the alarm connectors. Tighten the screws to secure the wire.
NOTE:
The top, middle, and bottom slots correspond to
closed),
(common), and
C
Plug the terminal block into the relay contact, and use a 2.5-mm flat-blade screwdriver
4.
to tighten the screws on the face of the block.
Attach the other end of the wires to the external device.
5.
PTX5000 Control Board Description on page 22
PTX5000 Alarm Relay Contact Wire Specifications on page 273
The PTX5000 Packet Transport Switch supports PICs that use various kinds of network
cable, including multimode and single-mode fiber-optic cable. For information about
the type of cable used by each PIC, see the
You connect PICs to the network by plugging in network cable. To connect cable to the
PICs (see
Figure 40 on page
Have ready a length of the type of cable used by the PIC. See the
1.
Transport Switch PIC Guide
If the PIC cable connector port is covered by a rubber safety plug, remove the plug.
2.
(normally open).
NO
PTX5000 Packet Transport Switch PIC Guide
89:
.
NO
(normally
(normally
NC
.
PTX5000 Packet
87
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