Allied Telesis 2911 Series, Руководство пользователя

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Chapter 1: Overview
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Model Naming Conventions
The hardware features of the AT-2911 adapters are represented by the
letters and numbers in the model names. The conventions for the AT-2911
adapters are identified in Figure 9.
Figure 9. AT-2911 Model Naming Conventions
The conventions are defined in Table 2.
.
Table 2. AT-2911 Model Naming Conventions
Convention Definition
1 Indicates the product name
2 Identifies the physical layer standard for Gigabit Ethernet
transmission or SFP option. The following is a list of
standards:
 SX - 1000BASE-SX multi-mode fiber optic cable
 LX - 1000BASE-LX single-mode fiber optic cable
 T - 10/100/1000BASE-T twisted-pair cable
 STX - dual port of SX fiber optic and twisted-pair
cable
 LTX - dual port of LX fiber optic and twisted-pair
cable
 SFP - SFP slot
3 Identifies the type of fiber optic connector and the number
of connectors. The connectors are listed here:
 ST - ST connector
 SC - SC connector
 LC - LC connector
The AT-2911 Series offers single and dual port. Number 2
means that the model has two ports of same type.