The document provides an overview of the Juniper MX80-48T router, including its specifications and features. It is described as a low-end edge router with a system capacity of 80Gbps and 1 service module slot. Key specifications listed include a 2RU size, 55Mpps throughput, and redundancy for fans and power. Hardware details are provided on its built-in interfaces of 48 1GE ports and 4 10GE ports. Differences from other MX routers are also summarized.

2. Contents
● MX80 Overview
● Juniper Products Overview
● MX Series Routers
● Specifications
● Hardwares
● Differences with MX80
● Architecture
● Compatible Modules
● Reference Information

3. MX80-48T Overview
● Low-end edge router
● System capacity is 80Gbps
● 1 Service MIC slots
● Only built-in interfaces
● Redundancy for fans and powers

4. Juniper Products Overview
CoreEdgeAccess
DC
Office
PTXMX
NFX
SRX
QFX
EX
ACX

5. MX80-48T
MX150 MX204
MX240
MX960
MX2020
MX10016
MX Series Routers
System
capacity
Port density

6. Specifications
● Size: 2RU
● System capacity: 80Gbps
● Packet throughput: 55Mpps
● FIB table: 1M IPv4 Prefixes
● RIB table: 4M IPv4 Prefixes
● Slots: MIC x 1
● Max port number:
○ 4x10G + 48x1G
● Redundancy: Fan/Power

7. Hardwares
Built-in interfaces
48 x 1GE RJ-45

8. Hardwares
Rear MIC
*Rear MIC is only for service MIC, not for interface MIC

9. Hardwares
Built-in Interfaces
4 x 10GE XFP

10. Hardwares
Management
port
Console port

11. Hardwares
Power
supply
Fan tray

12. Differences with MX80
MX80-48T MX80
Front
MICs
0 2
Built-in
Interfaces
48x1GE RJ-45
4x10GE XFP
4x10GE XFP

13. Service MIC
Main features
● IPsec
● NAPT
● Traffic Sampilng
● Stateful FW
● NW Attack Protection
Compatible Modules

14. Architecture
RE(Routing Engine)
PFE(Packet Forward Engine)
MQ
LU
QX
10G XFP
10G XFP
10G XFP
10G XFP
20G 20G
PIC PIC
IX IX
1Gx24 1Gx24
IX
Over-subscription management
MQ
Storing packets
LU
Packet lookup information
QX
Packet scheduling

15. Reference Information
● Juniper Products
https://www.juniper.net/us/en/products-services/
● MX Series Routers
https://www.juniper.net/us/en/products-services/routing/mx-
series/
● MX80 Datasheet
https://www.juniper.net/us/en/products-services/routing/mx-
series/datasheets/1000597.page
● Hardware Compatibility
https://apps.juniper.net/home/mx80/hardware-compatibility