ADTRAN Atlas 550 - Manual (Page 45)

Chapter 2. Installation
61200305L1-1 ATLAS 550 User Manual 2-9
• Congestion control
-
FECN / BECN
- Discard eligible (DE)
• Quality of service (QOS) - Prioritization on a per-PVC basis
• Testing (ADTRAN proprietary)
-
PVC loopback
- Round trip delay measurement
• SNMP support - RFC 1315
IP Router Specifications
• Route discovery
-
RIP V1
- RIP V2
- ICMP
- ARP
- IARP
- UDP Relay
• Virtual connections supported - 100 PVCs
• SNMP support - MIB II
Option Slots
Figure 2-2 shows the option slot numbering designation as viewed from the
rear of the ATLAS 550. The functionally identical option slots only accept
ATLAS 550 option modules.
Figure 2-2. ATLAS 550 Slot Designation (Rear Panel)
INSTALLING OPTION MODULES
After installing the ATLAS 550 Base Unit and connecting the required ca-
bles, you can install your choice of option modules. Instructions for install-
ing option modules are given in the user manuals for the chosen modules.
SLOT 1
SLOT 2
SLOT 3
SLOT 4
Network Slot 1 Network Slot 2