Common Port, Pass Band Port | Omnitron Systems Technology MUX/DEMUX

Expansion Port on model 8862-2 can be used as a 1550nm pass band port. On models 8860-2 and 8860-3, the Expansion Port can also be used as a 1550nm Pass Band Port to transport legacy 1550nm single-mode traffic as long as the spectral width of the1550nm legacy network is between 1510 and 1570nm .

1510

1530

1550

1570

		8860-2
8861-0	1310 PB
	1470
	1490
	1590
	1610
	COM	EXP

COMMON

8860-2
	1310 PB	8861-0
	1470
	1490
	1590
	1610
EXP	COM

1510

1530

1550

1570

Figure 3: Port Locations for 8-Channel Double-Wide CWDM/X Module Channel Port

The Channel Ports transmit and receive signals on specific CWDM wavelengths. The Channel Ports are multiplexed onto and demultiplexed from the Common Port.

Common Port

The Common Port (COM) transmits and receives the aggregated wavelengths connected to the Channel, Expansion and 1310 Pass Band Ports.

1310 Pass Band Port

The 1310 Pass Band Port (1310PB) allows a legacy 1310nm signal to pass through the CWDM/X module on a reserved band (1260nm to 1360nm). The port can be used to combine an existing legacy 1310nm network with up to 8 CWDM channels, allowing the CWDM channels in the range of 1470nm to 1610nm to be overlaid on the same fiber pair as the existing 1310nm network. Figure 4 illustrates two CWDM/X modules with the 1310 Pass Band Port option.

Figure 5: Two Cascaded 4-Channel MUX/DEMUX

Both the 4 and 8-Channel CWDM/X modules are available with an optional Expansion Port.

Installation

1.	Carefully slide the module into an open slot in an iConverter chassis. Align
	the module with the installation guides and ensure that the module is firmly
	seated against the backplane. Secure the module by fastening the front panel
	thumbscrew(s) (push in and turn clockwise to tighten) to the chassis front.
	The CWDM/X module requires no external power, however, if management is
	required, the module must be installed in an iConverter powered chassis with a
	Network Management Module (NMM2 Model 8000N-1).
2.	Connect a single-mode, dual fiber duplex LC cable between the Channel Port of
	the CWDM/X module and the attached device. It is important to ensure that the
	wavelength of the CWDM/X matches the wavelength of the attached device.
	Connect all Channel Ports in this manner. Ensure that the transmit (Tx) is
	attached to the receive side of the device at the other end, and the receive (Rx)
	is attached to the transmit side.
3.	Connect a single-mode, dual fiber duplex LC cable between the Common Ports

8860-1

1310 PB

1470

1490

1590

1610

COMMON

8860-1

1310 PB

1470

1490

1590

1610

on the CWDM/X modules (this connection may be made through fiber patch

panels since the modules may not be co-located). Ensure that the transmit (Tx)

is attached to the receive side of the device at the other end, and the receive

(Rx) is attached to the transmit side.

4. When cascading two 4 or 8-Channel CWDM/X modules, connect a single-

mode, dual fiber duplex LC cable between the Common Port on one CWDM/X

module and the Expansion Port on the other CWDM/X module (see Figure 5).

Figure 4: 4-Channel MUX/DEMUX

The Expansion Port on the 8863-2 can also be used as a 1310nm pass band to transport legacy 1310nm single-mode traffic.

Expansion Port

The Expansion Port (EXP) enables the cascading of two CWDM/X modules as shown in Figure 5, supporting a variety of cascading combinations (4+4, 8+4, 8+8). The

Ensure that the transmit (Tx) is attached to the receive side of the device at the

other end, and the receive (Rx) is attached to the transmit side.

5. When overlaying a CWDM channel on an existing 1310nm legacy network,

connect the single-mode, dual fiber duplex LC cable from the legacy network

to the 1310 Pass Band Port on the CWDM/X module. Ensure that the transmit

(Tx) is attached to the receive side of the device at the other end, and the

receive (Rx) is attached to the transmit side.

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