User's Manual
Chapter 1: Overview
22
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 8.
Figure 8. 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:
 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.










