RAD Data comm ASMi-52L Specifikace stáhnout pdf (Strana 17)

ASMi-52L Installation and Operation Manual Chapter 1 Introduction

Overview 1-3

Table 1-1. Typical Ranges (26 AWG)

Data Rate 2-wire 4-wire

[kbps] [km] [miles] [km] [miles]

64 – – – –

128 – – – –

256 7.5 4.6 – –

384 6.5 4.0 7.7 4.8

512 6.2 3.8 7.2 4.5

1024 5.2 3.2 6.5 4.0

1536 4.7 2.9 5.7 3.5

2048 4.0 2.5 5.5 3.4

2304 4.0 2.5 5.0 3.1

4096 – – 4.0 2.5

4608 – – 3.7 2.3

DTE Interface

ASMi-52L supports the following DTE interfaces:

• X.21

• V.35

• Ethernet/Fast Ethernet bridge with VLAN support (combined with management

LAN port)

• Four port integrated Ethernet/Fast Ethernet switch.

When ASMi-52L is ordered only with the 10/100BaseT port option, the port is

used both for transfer of the user and management data.

ASMi-52L supports multiple data rates in the range between 64 kbps and

4608 kbps. Data rate depends on the following factors:

• Line interface type (2-wire or 4-wire)

• Clock mode (internal or external).

Table 1-2 details the ASMi-52L data rates supported.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 103 104

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RAD Data comm ASMi-52L Specifikace Strana 17