The S7700 series switches (S7700 for short) are high-end smart routing switches designed for nextgenerationenterprise networks. The S7700 design is based on Huawei’s intelligent multi-layer switching technology to provide intelligent service optimization methods, such as MPLS VPN, traffic analysis, comprehensive H-QoS policies, controllable multicast, load balancing, and security, in addition to high-performanceLayer 2 to Layer 4 switching services.
Functions of the ES1D2X48SX2S
The ES1D2X48SX2S provides the following functions:
Communicates with the MPU and works under the control of the MPU.
Searches for routes and destination addresses of data packets for forwarding.
Forwards data packets.
Function
Description
Basic functions
Provides forty-eight 1000M/10G BASE-X ports for data transmission and switching.
Distributed forwarding
Performs concurrent data forwarding using a distributed data plane.
Hot swapping
The ES1D2X48SX2S is hot swappable.
Ports on the ES1D2X48SX2S
Optical port attributes (GE optical module)
Attribute
Description
Connector type
SFP+
Optical port attributes
Depend on the SFP optical module used. For the SFP optical modules supported by the ES1D2X48SX2S and their attributes, see GE eSFP Optical Modules, GE-CWDM eSFP Optical Modules, and GE-DWDM eSFP Optical Modules.
Standards compliance
IEEE802.3z
Frame format
Ethernet_II, Ethernet_SAP, Ethernet_SNAP
Network protocol
IP
Optical port attributes (10GE optical module, high-speed cable or SFP+ optical cable)
Attribute
Description
Connector type
SFP+
Optical port attributes
Depend on the SFP+ to SFP+ high-speed cable (1 m, 3 m, 5 m, 10 m), QSFP+ to 4*SFP+ high-speed cable (1 m, 3 m, 5 m), SFP+ optical module, or SFP+ optical cable used.
For the optical modules supported by the ES1D2X48SX2S and their attributes, see 10GE SFP+ Optical Modules (OSXD22N00 not supported), 10GE-CWDM SFP+ Optical Modules and 10GE-DWDM SFP+ Optical Modules.
NOTE:
When used in an S7703, S7706, or S7712 switch, the card can only use 10G SFP+ optical modules with the maximum transmission distance shorter than or equal to 10 km.
Standards compliance
IEEE 802.3ae
Frame format
Ethernet_II, Ethernet_SAP, Ethernet_SNAP
Network protocol
IP
Optical port attributes (copper module)
Attribute
Description
Connector type
SFP+
Optical port attributes
Depend on the SFP copper module used.
For details on the copper modules supported by the cards and attributes of the copper modules, see GE SFP Copper Modules (100 Mbit/s and 1000 Mbit/s rates).
Applicable cable
SFP copper module and Ethernet cable
Specifications of the ES1D2X48SX2S
Item
Description
Physical specifications
Dimensions (H x W x D): 35.1 mm x 397.2 mm x 430.4 mm (1.38 in. x 15.64 in. x 16.95 in.)
Weight: 3.4 kg (7.50 lb)
Maximum power consumption: 258.1 W
Environment specifications
Operating temperature: 0°C to 45°C (32°F to 113°F)
NOTE:
When the card is installed in an S7703, S7706, or S7712 switch and uses 10G SFP+ optical modules with the maximum transmission distance of 10 km, its operating temperature is 0°C to 42°C (32°F to 107.6°F).
ES1D2X48SX2S FAQ
Q1: Is this line board compatible with Huawei S9312 switches? Will there be a bandwidth bottleneck when all 48 ports are running at full load simultaneously?
A1: Fully compatible! Supports the entire S9300 series of switches, with a backplane bandwidth ≥480Gbps. There is no bottleneck when all 48 ports are running at full load 10GE (total bandwidth 480Gbps), fully meeting the needs of mid-range high-density access.
Q2: How is the signal stability within a 300m transmission distance when paired with a 10GE SR module? Does it support multiple brands of optical modules?
A2: Extremely stable! Signal attenuation <0.2dB within 300m, with no packet loss or delay. Huawei original optical modules are preferred, but it is also compatible with IEEE-compliant third-party optical modules, offering flexible adaptation.
Q3: What are the core differences between this and Huawei's high-end 48-port 10 Gigabit optical line board (LSS7X48SX6S0)? How to choose?
A3: The core differences lie in positioning and cost: The ES1D2X48SX2S (mid-range, high cost-performance) is suitable for small to medium-sized data centers and high-density scenarios with limited budgets; the high-end model is suitable for ultra-large-scale scenarios and extreme reliability requirements. For small to medium-sized scenarios, the mid-range model is more cost-effective; for ultra-large core scenarios, the high-end model is recommended.
Optical Modules Supported by Huawei S Series Switches
