
2U Rack mount chassis appearance description
1. 2U Rack Mount Chassis

Explanation:
① NMU Slot: Network Management Unit
② Expansion slot: Support an eight Ethernet switch cards or other cards
③ Service card slot: Support max 8 service cards mixed interpolation and hot swap
④ Fan slot: Support 2U fan hot swap and independent replacement
⑤ Scalable lug
⑥ Lug instillation position
⑦ Side vent
⑧ Power 1 slot: Support AC/DC power supply and hot swap
⑨ Power 2 slot: Support AC/DC power supply and hot swap
⑩ Grounding screw
2.NMU card
Explanation:
① Equipment status indicator: P1(Power1), P2(Power2), RUN
② HD dual color LCD display screen
③ Operation keys
④ Ethernet communication interface
⑤ Micro USB equipment upgrade interface
⑥ Optical transceiver slot(Support 100/1000Mbps SFP)
⑦ Optical transceiver working status indicator

Equipment management
Equipment status,card performance can be visible completely
Card parameters can be read and set by LCD display
Support in or out of band network management
Support SNMP, Client management.
4.Parameter index
Parameters | Unit | Specifications | |
Environmental parameter |
Working temperature | ℃ | -10~ 60℃ |
Storage temperature | ℃ | -20℃~ 75℃ | |
Relative temperature | ℃ | 5% ~ 95% No condensation | |
Size | 2U | mm | 482.6W×300D×86H |
Power Supply | AC | V | 85~264, 50~60hz |
DC | V | 36~72 | |
Consumption | 2U | W | < 100(Max) |
5.Ordering Information
Chassis | – | NMU | Power 1 | Power 2 | Fan |
TN20 | – | 0: Without | 0: Without | 0: Without | 0: Without |
– | 1: With | 1: AC-2U | 1: AC-2U | 1: Fan-2U | |
– | 2: DC-2U | 2: DC-2U | |||
2U Chassis Default Config: with 1 NMU card, 2 power card, 1 fan card. |