
4U Rack mount chassis appearance description
1. 4U Rack Mount Chassis

Explanation:
① NMU Slot: Network Management Unit
② Expansion slot: Support an eight Ethernet switch cards or other cards
③ Power 1 slot: Support AC/DC power supply and hot swap
④ Power 2 slot: Support AC/DC power supply and hot swap
⑤ Service card slot: Support max 16 service cards mixed interpolation and hot swap
⑥ Fan slot: Support 4U fan hot swap and independent replacement
⑦ Scalable lug
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
Cards parameters can be read and set by panel
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 | 4U | mm | 482.6W×300D×176H |
Power Supply | AC | V | 85~264, 50~60hz |
DC | V | 36~72 | |
Consumption | 4U | W | < 200(Max) |
5.Ordering Information
Chassis | – | NMU | Power 1 | Power 2 | Fan |
TN40 | – | 0: Without | 0: Without | 0: Without | 0: Without |
– | 1: With | 1: AC-4U | 1: AC-4U | 1: Fan-4U | |
– | 2: DC-4U | 2: DC-4U | |||
4U Chassis Default Config: with 1 NMU card, 2 power card, 1 fan card. |