Black Box TS220A Manual de usuario

JUNE 1999

TS220A

Fiber Optic Splitter Module

1. Overview and Installation

Thank you for purchasing this Fiber Optic Splitter Module. The Splitter Module can help you to monitor

network traffic flowing in either direction on a fiberoptic network (Ethernet, Fast Ethernet, FDDI, ATM,

SONET, etc.) at data rates up to OC3 (155 Mbps). It has four ports:

• Data Ports A and B are each dual SC female 62.5/125-µm multimode fiberoptic connectors that can be

attached to fiberoptic network devices (NICs, switches, routers, etc.).

• Analyzer Ports A and B are both carried on one dual SC female 62.5/125-µm multimode fiberoptic

connector that can be attached to a network analyzer.

The Splitter Module is light, compact, and tough, so it’s quite portable, but you can also mount as many as three

Modules in a 19" equipment rack with our 3-Module Rackmount Kit (our product code RM210; cover any open

slots in the Kit with Filler Blanks, our product code RM211). Run standard 62.5/125-µm multimode fiberoptic

cable (with SC connectors on the Module end) from the Splitter Module to the other devices. For the

connection to the network analyzer, we recommend our special Fiber Optic Analyzer Patch Cable (our product

code EFN4029-CT), shown in Figure 1 below.

Figure 1. The Patch Cable.

1-Meter (3-Ft.) 6.25/125-µm SC/SC Patch Cord

Splitter

Module

Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)

FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746

Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com • E-mail: [email protected]

CUSTOMER

SUPPORT

INFORMATION

LAN Analyzer

(or monitoring

device)

MULTIMODE

DUPLEX SC CONNECTOR

2. Operation

Once you’ve connected the other devices to the Fiber Optic Splitter Module, it will begin operating immediately.

(It’s a passive device and doesn’t need to draw power from anywhere.) The Splitter Module can operate in either

half-duplex or full-duplex mode. It is designed to tap the incoming data on either or both strands of your network’s

fiberoptic lines and send 20% of the signal to the Analyzer Ports for performance evaluation and error detection, as

shown in Figures 2 and 3 below.

The tapped data is fed to the Analyzer Ports at network speed (up to OC3, 155 Mbps) and at normal signal levels.

Signal integrity is guaranteed for the lines (the tapping will not affect either the signal integrity or loading factor);

the Splitter Module regenerates incoming data from the network lines before retransmitting it.

Figure 2. Attaching devices to the Splitter Module (internal data flow also shown).

Figure 3. Total data flow in a ring network with a Splitter Module installed.

FIBER OPTIC SPLITTER MODULE

Fiber Optic

Splitter

Module

20% signal

LAN Analyzer

(monitoring software programs)

80% signal

LAN Network

Traffic

FIBER OPTIC SPLITTER MODULE

3. Specifications

Compliance — CE

Compatibility — LAN: 10BASE-FL Ethernet, 100BASE-FX Fast Ethernet, FDDI, ATM, and

SONET;

Optical Wavelength: 850 and 1300 nm

Interface — 6.5/125-µm multimode fiberoptic

Signal-Split Ratio — 80% to Data Ports, 20% to Analyzer Ports

Internal Loss due to

Signal Splitting — Data Ports: ≤2.2 dB;

Analyzer Ports: ≤7 dB

Cable-Insertion Loss — ≤0.35 dB

Polarization-Dependent

Loss — ≤0.1 dB

Connectors — All front-mounted:

(2) Dual (“duplex”) SC female for network connections;

(1) Dual SC female for monitoring connection (but the two sides of this

connector function as two independent ports)

Temperature Tolerance — Operating: –40 to +176˚F (–40 to +80˚C);

Storage: –40 to +185˚F (–40 to +85˚C)

Humidity Tolerance — Up to 85% noncondensing

MTBF — Device is solid state; internal components should never spontaneously fail

Enclosure — 16-gauge cold-rolled steel

Size — 1.2"H x 4.5"W x 5"D (3 x 11.4 x 12.7 cm)

Weight — 0.5 lb. (0.2 kg)

BLACK BOX and the logo are registered trademarks, and “The World’s Source for Cabling and Network Connectivity” is a service mark, of Black Box Corporation.

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