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CHAPTER 17
Installing and Connecting the
TCX1000-2D8CMD Modules
TCX1000-2D8CMD Description
Copyright © 2019, Juniper Networks, Inc.
TCX1000-2D8CMD Description on page 105
Mounting and Installing the TCX1000-2D8CMD in a Rack on page 107
Connecting the TCX1000-2D8CMD to a TCX1000-RDM20 on page 110
The TCX1000-2D8CMD is a standalone C-Band two-degree eight channel colorless
passive multiplexer/demultiplexer. It is a rack-mounted module that is installed alongside
the TCX1000-RDM20. Each module combines the signals at eight channel input ports
(
to
ports) and broadcasts the multiplexed signals out of two Line-side direction
C0
C7 IN
ports (
L0 OUT
and
L1 OUT
Line-side input ports (
L0 IN
out of eight channel output ports (
One of the two common Line ports of the multiplexer/demultiplexer is connected to one
of the TCX1000-RDM20 ports and provides eight ports for transceiver connections. This
allows for more transceivers to be connected to the TCX1000-RDM20, while still
maintaining the spectrally programmable (colorless) operation.
The TCX1000-2D8CMD also provides a second Line port which can be connected to
another TCX1000-RDM20 degree and allow channels to be transmitted and received
from two directions. This is based upon passive splitting and combining, so identical
multiplexes come out of the two Line ports and the TCX1000-RDM20 needs to select
which (or both for 1+1 protection) are sent through to the TCX1000-RDM20 Line ports.
Also, the drop side of the TCX1000-RDM20 determines which path gets received. Both
paths (from both ROADM directions) cannot be operational at the same time.
The TCX1000-RCK-1 kit chassis is a 1RU mechanical assembly that can accommodate
up to three TCX1000-2D8CMD modules. It allows the modules to be rack mounted in
standard 19-inch, 21-inch, and 23-inch racks.
The TCX1000-2D8CMD measures 5.10 in. (12.95 cm) high, 6.25 in. (15.87 cm) deep, and
1.12 in. (2.84 cm) wide. The module weighs 0.57 lb (0.25 kg).
) ports. The module also combines the signals at the two
and
ports) and broadcasts the demultiplexed signals
L1 IN
to
ports).
C0
C7 OUT
105
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Troubleshooting
