Network criteria, At-fh805u agent module, Network criteria at-fh805u agent module – Allied Telesis AT FH824U AT-FH824U User Manual

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Technical Specifications

20

Network Criteria

1

AT-FH805u Agent

Module

1.

5 meters = 16 feet, 100 meters = 328 feet,

200 meters = 656 feet, 205 meters = 672 feet

Hub-to-Workstation
Distance

100 meters maximum using twisted-pair cable

Inter-hub Distance

10 Mbps link: 100 meters using twisted-pair cable

100 Mbps link: 5 meters using twisted-pair cable (assumes
100 meters from each node to the hub)

Total Network Span

Single Hub

200 meters of twisted-pair cable

(100 meters to each attached node)

Two-hub Chain

1

205 meters of twisted-pair cable

(100 meters to each attached node, and 5 meters between
hubs)

1. When cascading a dual-speed hub to another dual-speed hub or to a 100 Mbps hub, the cascade is

limited to two hubs, and the interhub cabling is limited to 5 meters. However, up to three 10 Mbps
hubs can be cascaded off of a dual-speed hub using 100 meters of cable for each link.

System
Configuration

On-board configuration via console or modem connection to
serial port or via Telnet, Web-based management via HTTP
protocol to access embedded management program.

Management Agent

SNMP support, MIB II (RFC1213), Multi-segment Repeater MIB
(RFC 2108), Ethernet-like MIB (RFC1643), RMON MIB
(RFC1757), and Allied Telesyn's private MIB.

RMON

Groups 1-3, 9 (Statistics, History, Alarm, Event).

Pin

Assignment

(Station ports 1-24)

Assignment

(Daisy Chain Port)

1

Input Receive Data +

Output Transmit Data +

2

Input Receive Data -

Output Transmit Data -

3

Output Transmit Data +

Input Receive Data +

6

Output Transmit Data -

Input Receive Data -

4, 5, 7, 8

Not Used

Not Used

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