Cisco 7304 Installation Guide download pdf (Page 32)

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Cisco 7304 Router Modular Services Card and Shared Port Adapter Hardware Installation Guide

OL-4681-01

Chapter 3 Overview: Cisco 7304 Router Shared Port Adapters

GigabitEthernet SPA Overview

SFP-FCGE-S Modules

The 1000BASE-SX (short wavelength) module operates on standard multimode fiber-optic link spans of

up to 1804 feet (550 m). (See Table 3-9.)

SFP-FCGE-L Modules

The 1000BASE-LX/LH (long wavelength/long haul) module interfaces fully comply with the IEEE

802.3z 1000BASE-LX standard. However, their higher optical quality allows them to reach

6.2 miles (10 km) over single-mode fiber (SMF) versus the 3.1 miles (5 km) specified in the standard.

(See Table 3-9.)

SFP-GE-Z Modules

The 1000BASE-ZX (extended wavelength) module operates on ordinary single-mode fiber-optic link

spans of up to 43.5 miles (70 km). Link spans of up to 62.1 miles (100 km) are possible using premium

single-mode fiber or dispersion-shifted single-mode fiber (premium single-mode fiber has a lower

attenuation per unit length than ordinary single-mode fiber; dispersion-shifted single-mode fiber has

both lower attenuation and less dispersion).

SFP-FCGE-L –9.5 dBm

–3 dBm

–19 dBm –3 dBm

SFP-GE-Z 0 dBm 5 dBm –23 dBm –3 dBm

1. For fiber types 50/125 µm, NA = 0.20 fiber and 62.5/125 µm, NA = 0.275 fiber.

2. For fiber types 9/125 µm SMF.

3. For fiber types 9/125 µm SMF, 62.5/125 µm MMF, and 50/125 µm MMF.

Table 3-7 SFP Module Transmit Power, Receive Power, and Power Budget

SFP Module

Transmit Power Receive Power

Minimum Maximum Minimum Maximum

Table 3-8 SFP Module Specifications

Specification Description

Dimensions (H x W x D) 0.03 in x 0.53 in x 2.22 in (8.5 mm x 13.4mm x

56.5 mm)

Connectors Multimode fiber-optic: LC-type connector

Single-mode fiber-optic: LC-type connector

Wavelength SFP-FCGE-S: 770-860 nm

SFP-FCGE-L: 1270-1355 nm

SFP-GE-Z: 1500-1580 nm

Cabling distance

(maximum)

SFP-FCGE-S: 1804 feet (550 m)

SFP-FCGE-L: 6.2 miles (10 km)

SFP-GE-Z: 43.5 to 62.1 miles (70 to 100 km)

Operating temperature range 32 to 122 degrees F (0 to 50 degrees C)

Storage temperature range -40 to 185 degrees F (-40 to 85 degrees C)

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