Contents

1 Product models and technical specifications· 1-2

Product models· 1-2

Technical specifications· 1-2

2 Chassis views· 2-5

S9825-64D·· 2-5

S9855-48CD8D·· 2-7

S9855-24B8D·· 2-8

3 Removable components· 3-10

Removable components available for the switch· 3-10

Power supplies· 3-10

Fan trays· 3-11

4 Ports and LEDs· 4-12

Ports· 4-12

Console port 4-12

Management Ethernet port 4-12

USB port 4-12

DSFP port 4-13

QSFP-DD port 4-13

QSFP56 port 4-13

LEDs· 4-13

Panel LEDs· 4-13

Fan tray alarm LED·· 4-16

Power supply LEDs· 4-16

5 Cooling system·· 5-17

 

1 Product models and technical specifications

Product models

The H3C S9825 & S9855 switch series include the following models:

 

Series	Product model	Product code
H3C S9825 and S9855 switch series	S9825-64D	·     LS-9825-64D ·     LS-9825-64D-H1
	S9855-48CD8D	LS-9855-48CD8D
	S9855-24B8D	LS-9855-24B8D

 

The S9825-64D, S9855-48CD8D, and S9855-24B8D switches are high-density converged 400G switch, 100G TOR switch, and 200G TOR switch, respectively, which are developed for high-performance data centers. They can provide powerful hardware forwarding capacity and abundant data center features.

The switch provides the following ports and removable components:

·     400G QSFP-DD ports, 100G DSFP ports, and 200G QSFP56 ports.

·     Removable fan trays in redundancy mode.

·     Removable power supplies in redundancy mode.

Technical specifications

Table1-1 Technical specifications

Item	S9825-64D	S9855-48CD8D	S9855-24B8D
Dimensions (H × W × D)	175 × 440 × 760 mm (6.89 × 17.32 × 29.92 in)	44 × 440 × 660 mm (1.73 × 17.32 × 25.98 in)	44 × 440 × 660 mm (1.73 × 17.32 × 25.98 in)
Weight	LS-9825-64D: ≤ 37 kg (81.57 lb) LS-9825-64D-H1: ≤ 38.4 kg (84.66 lb)	≤ 12.2 kg (26.90 lb)	≤ 12.2 kg (26.90 lb)
Serial console port	1	1	1
Management Ethernet port (RJ-45)	1	1	1
USB 2.0 port	1	1	1
DSFP port	N/A	48	N/A
QSFP56 port	N/A	N/A	24
QSFP-DD	64	8	8
Fan tray slot	LS-9825-64D: 6 LS-9825-64D-H1: 8	6	6
Power supply slot	4	2	2
Minimum power consumption	LS-9825-64D: ·     Dual AC inputs: 243 W ·     Four AC inputs: 251 W LS-9825-64D-H1: ·     Dual AC inputs: 247 W ·     Four AC inputs: 256 W	Single AC input: 125 W Dual AC inputs: 140 W	Single AC input: 133 W Dual AC inputs: 146 W
Typical power consumption	LS-9825-64D: ·     Dual AC inputs: 613 W ·     Four AC inputs: 630 W LS-9825-64D-H1: ·     Dual AC inputs: 650 W ·     Four AC inputs: 680 W	Single AC input: 238 W Dual AC inputs: 250 W	Single AC input: 251 W Dual AC inputs: 263 W
Maximum power consumption	LS-9825-64D: ·     Dual AC inputs: 1852 W ·     Four AC inputs: 1855 W LS-9825-64D-H1: ·     Dual AC inputs: 2500 W ·     Four AC inputs: 2500 W	Single AC input: 713 W Dual AC inputs: 719 W	Single AC input: 739 W Dual AC inputs: 748 W
Chassis leakage current compliance	·     UL60950-1 ·     EN60950-1 ·     IEC60950-1 ·     GB4943
Sound pressure level at 27°C (80.6°F)	LS-9825-64D: 60.9 dB(A) LS-9825-64D-H1: 59.7 dB(A)	59.5 dB(A)	59.5 dB(A)
Operating temperature	0°C to 40°C (32°F to 104°F)
Operating humidity	5% RH to 95% RH, noncondensing
Fire resistance compliance	·     UL60950-1 ·     EN60950-1 ·     IEC60950-1 ·     GB4943

 

Table1-2 Power consumption data collection standard

Item	Static power consumption	Typical power consumption	Maximum power consumption
Configuration	No transceiver modules/cables installed in ports	Fully configured with copper cables	Fully configured with transceiver modules
Load	N/A	50% load	100% load

 

2 Chassis views

S9825-64D

Figure2-1 S9825-64D front panel

(1) Management Ethernet port	(2) Management Ethernet port LED (LINK/ACT)
(3) USB port	(4) Reset button (RESET)
(5) QSFP-DD port	(6) QSFP-DD port LED
(7) System status LED (SYS)	(8) Fan tray status LED (FAN)
(9) Power supply status LED (PSU)	(10) Console port

 

Figure2-2 S9825-64D rear panel (LS-9825-64D)

(1) Grounding screw	(2) Fan tray
(3) Power output status LED (OUT)	(4) Power input status LED (IN)
(5) Power input receptacle	(6) Power supply latch
(7) Power supply fault LED (!)	(8) Fan tray alarm LED (RUN/ALM)

 

The S9825-64D switch came with power supply slot PSU1 empty and power supply slots PSU2, PSU3, and PSU4 each installed with a filler panel. You can install two or multiple power supplies for the switch as needed. In Figure2-2, four PSR1600C-12A-B AC power supplies are installed in the power supply slots.

The S9825-64D switch model includes switches with the LS-9825-64D and LS-9825-64D-H1 product codes. The switch with the LS-S9825-64D product code came with the six fan tray slots empty. The switch with the LS-9825-64D-H1 product code came with the eight fan tray slots empty. You must install fan trays of the same model for the switch. In Figure2-2, six FAN-80B-1-B fan trays are installed in the fan tray slots on the switch with the LS-S9825-64D product code.

Figure2-3 S9825-64D left panel

(1) Fan tray handle	(2) Power supply handle
(3) Chassis handle

 

S9855-48CD8D

Figure2-4 S9855-48CD8D front panel

(1) DSFP port	(2) DSFP port LED
(3) QSFP-DD port	(4) QSFP-DD port LED
(5) Fan tray status LED (FAN)	(6) Power supply status LED (PSU)
(7) System status LED (SYS)

 

Figure2-5 S9855-48CD8D rear panel

(1) Management Ethernet port	(2) USB port
(3) Fan tray	(4) Fan tray alarm LED
(5) Power output status LED (OUT)	(6) Power input status LED (IN)
(7) Power input receptacle	(8) Power supply latch
(9) Power supply fault LED (!)	(10) Reset button (RESET)
(11) System status LED (SYS)	(12) Console port
(13) Management Ethernet port LED (LINK/ACT)

 

The S9855-48CD8D switch came with power supply slot PSU1 empty and power supply slot PSU2 installed with a filler panel. You can install one or two power supplies for the switch as needed. In Figure2-5, two PSR1600C-12A-B AC power supplies are installed in the power supply slots.

The S9855-48CD8D switch came with the six fan tray slots empty. You must install six fan trays of the same model for the switch. In Figure2-5, six FAN-40B-1-C fan trays are installed in the fan tray slots.

Figure2-6 S9855-48CD8D left panel

(1) Fan tray handle	(2) Power supply handle
(3) Primary grounding point	(4) Auxiliary grounding point

 

S9855-24B8D

Figure2-7 S9855-24B8D front panel

(1) System status LED (SYS)	(2) Power supply status LED (PSU)
(3) Fan tray status LED (FAN)	(4) QSFP56 port
(5) QSFP56 port LED 1	(6) QSFP56 port LED 2
(7) QSFP-DD port LED	(8) QSFP-DD port

 

Figure2-8 S9855-24B8D rear panel

(1) Management Ethernet port	(2) USB port
(3) Fan tray	(4) Fan tray alarm LED
(5) Power output status LED (OUT)	(6) Power input status LED (IN)
(7) Power input receptacle	(8) Power supply latch
(9) Power supply fault LED (!)	(10) Reset button (RESET)
(11) System status LED (SYS)	(12) Console port
(13) Management Ethernet port LED (LINK/ACT)

 

The S9855-24B8D switch came with power supply slot PSU1 empty and power supply slot PSU2 installed with a filler panel. You can install one or two power supplies for the switch as needed. In Figure2-8, two PSR1600C-12A-B AC power supplies are installed in the power supply slots.

The S9855-24B8D switch came with the six fan tray slots empty. You must install six fan trays of the same model for the switch. In Figure2-8, six FAN-40B-1-C fan trays are installed in the fan tray slots.

Figure2-9 S9855-24B8D left panel

(1) Fan tray handle	(2) Power supply handle
(3) Primary grounding point	(4) Auxiliary grounding point

 

3 Removable components

Removable components available for the switch

The switch uses modular design. Table3-1 describes the removable components available for the switch.

Table3-1 Removable components available for the switch

Removable components	BOM code	S9825-64D	S9855-48CD8D	S9855-24B8D
Power supplies
PSR1600C-12A-B	0231AFJ7	Supported	Supported	Supported
Fan trays
FAN-80B-1-B	0231ABV6	Supported	Not supported	Not supported
FAN-40B-1-C	0231AFJ9	Not supported	Supported	Supported
FAN-40F-1-D	0231AKLC	Not supported	Not supported	Supported

 

The S9855-48CD8D or S9855-24B8D switch can operate correctly with only one power supply. You can install two power supplies for 1+1 redundancy.

The S9825-64D switch can operate correctly with two power supplies. You can install three power supplies for 2+1 redundancy or four power supplies for 2+2 redundancy.

To ensure heat dissipation, make sure all fan tray slots on the S9855-48CD8D and S9855-24B8D switches have fan trays installed and the fan trays are the same model.

The S9825-64D switch with the LS-S9825-64D product code has six fan tray slots. To ensure heat dissipation, make sure all fan tray slots on the switch have fan trays installed and the fan trays are the same model.

The S9825-64D switch with the LS-9825-64D-H1 product code has eight fan tray slots. When you install ZR or ZR+ modules in the two lower rows of ports on the switch, make sure all fan tray slots on the switch have fan trays installed. In other situations, you can install six fan trays in slots FAN3 to FAN8.

Power supplies

	WARNING! When the switch has power supplies in redundancy, you can replace a power supply without powering off the switch. To avoid device damage or bodily injury, make sure the power supply is powered off before you replace it.

 

Table3-2 Power supply specifications

Power supply model	Specifications	Remarks
PSR1600C-12A-B	·     Rated AC input voltage: 100 VAC to 240 VAC @ 50 Hz or 60 Hz ·     Rated HVDC input voltage: 180 VDC to 320 VDC ·     Max output power: 1600 W ·     Melting current of the power supply fuse: 10 A/250 V	For more information about the power supply, see H3C PSR1600C-12A-B Power Module User Manual.

 

Fan trays

Table3-3 Fan tray specifications

Fan tray model	Item	Specifications
FAN-80B-1-B (from the port side to the power supply side)	Dimensions (including the handle)	84 × 81 × 240 mm (3.31 × 3.19 × 9.45 in)
	Fan speed	12800 R.P.M
	Maximum airflow	130 CFM (3.68 m3/min)
	Input voltage	12 V
	Maximum power consumption	102 W
	Documentation reference	H3C FAN-80B-1-B Fan tray User Guide
FAN-40B-1-C (from the port side to the power supply side)	Dimensions (including the handle)	40 × 40 × 136 mm (1.57 × 1.57 × 5.35 in)
	Fan speed	29000 R.P.M
	Maximum airflow	38 CFM (1.08 m3/min)
	Input voltage	12 V
	Maximum power consumption	60 W
	Documentation reference	H3C FAN-40B-1-C Fan Tray User Guide
FAN-40F-1-D (from the power supply side to the port side)	Dimensions (including the handle)	40 × 40 × 136 mm (1.57 × 1.57 × 5.35 in)
	Fan speed	29000 R.P.M
	Maximum airflow	38 CFM (1.08 m3/min)
	Input voltage	12 V
	Maximum power consumption	60 W

 

4 Ports and LEDs

As a best practice, use H3C transceiver modules and cables for the switch. H3C transceiver modules and cables are subject to change over time. For the most up-to-date list of H3C transceiver modules and cables, contact H3C Support or marketing staff.

For information about the specifications of H3C transceiver modules and cables, see H3C Transceiver Modules User Guide.

Ports

Console port

The switch has a serial console port.

Table4-1 Console port specifications

Item	Serial console port
Connector type	RJ-45
Compliant standard	EIA/TIA-232
Transmission baud rate	9600 bps (default) to 115200 bps
Services	·     Provides connection to an ASCII terminal. ·     Provides connection to the serial port of a local terminal (a PC for example) running a terminal emulation program.

 

Management Ethernet port

The switch has a copper management Ethernet port. You can connect the port to a local PC for software loading and debugging or to a remote management station for remote management.

Table4-2 Management Ethernet port specifications

Item	Specification
Connector type	RJ-45
Port quantity	1 × management 10/100/1000BASE-T port
Port transmission rate, duplex mode, and auto MDI/MDI-X	·     10/100 Mbps, half/full duplex, auto MDI/MDI-X ·     1000 Mbps, full duplex, auto MDI/MDI-X
Transmission medium and max transmission distance	100 m (328.08 ft) over category 5 UTP cable
Functions and services	Software upgrade and network management.

 

USB port

The switch has one OHCI-compliant USB 2.0 port that can upload and download data at a rate up to 480 Mbps. You can use this USB port to access the file system on the flash of the switch, for example, to upload or download application and configuration files.

The USB port supplies power as per USB 2.0 specifications. Use only USB 2.0-compliant USB devices for the USB port. The port might not identify USB devices that are not compliant with USB 2.0.

 

	NOTE: USB devices from different vendors vary in compatibilities and drivers. H3C does not guarantee correct operation of USB devices of all vendors on the switch. If a USB device fails to operate on the switch, replace it with one from another vendor.

 

DSFP port

The S9855-48CD8D switch provides 48 DSFP ports. Purchase DSFP transceiver modules yourself as needed.

QSFP-DD port

The S9825-64D switch with the LS-9825-64D or LS-9825-64D-H1 product code provides 64 QSFP-DD ports. You can install ZR modules in the upper row of ports on the switch. For the S9825-64D switch with the LS-9825-64D-H1 product code, you can also install ZR or ZR+ modules in the two lower rows of ports. The 48 ports that support ZR modules on the switch are in pink.

The S9855-48CD8D and S9825-24B8D switches each provide eight QSFP-DD ports.

QSFP-DD ports support the following transceiver modules and cables:

·     QSFP28 transceiver modules.

·     QSFP28 cables.

·     QSFP56 transceiver modules.

·     QSFP-DD transceiver modules.

·     QSFP-DD cables.

The QSFP-DD ports on the S9825-64D switch also support QSFP-DD to 2×200G QSFP56 cables. Such cables are not provided. Purchase them yourself as required.

QSFP56 port

The S9825-24B8D switch provides 24 QSFP56 ports.

QSFP56 ports support the following transceiver modules and cables:

·     QSFP28 transceiver modules.

·     QSFP28 cables.

·     QSFP56 transceiver modules.

·     QSFP56 cables and QSFP56 to 2×100G QSFP28 cables. Such cables are not provided. Purchase them yourself as required.

LEDs

Panel LEDs

System status LED

The system status LED shows the operating status of the switch.

Table4-3 System status LED description

LED mark	Status	Description
SYS	Steady green	The switch is operating correctly.
	Flashing green	The switch is performing power-on self-test (POST) or downloading software.
	Steady red	The system has failed to pass POST, a fault has occurred, or an overtemperature condition has occurred.
	Steady yellow	The number of fan trays or power supplies on the switch is abnormal.
	Off	The switch is powered off or has failed to start up.

 

DSFP port LED

The switch provides a DSFP port LED for each DSFP port to indicate their operating status.

Table4-4 DSFP port LED description

LED status	Description
Steady green	A transceiver module or cable has been correctly installed in the port. The port is operating at its maximum speed of 100 Gbps, and a link is present on the port.
Flashing green	The port is sending or receiving data at its maximum speed of 100 Gbps.
Steady yellow	A transceiver module or cable has been correctly installed in the port. The port is operating at a speed lower than the maximum speed, and a link is present on the port.
Flashing yellow	The port is sending or receiving data at a speed lower than the maximum speed.
Off	No transceiver module or cable has been installed in the port, or no link is present on the port.

 

QSFP56 port LED

Each QSFP56 port has two status LEDs to indicate port operating status and activities. Table4-5 provides the LED description for a QSFP56 port that is not split. Table4-6 provides the LED description for a QSFP56 port split into two breakout interfaces.

Table4-5 LED description for a QSFP56 port that is not split

LED status	Description
Steady green	A transceiver module or cable has been correctly installed in the port. The port is operating at its maximum speed of 200 Gbps, and a link is present on the port.
Flashing green	The port is sending or receiving data at its maximum speed of 200 Gbps.
Steady yellow	A transceiver module or cable has been correctly installed in the port. The port is operating at a speed lower than the maximum speed, and a link is present on the port.
Flashing yellow	The port is sending or receiving data at a speed lower than the maximum speed.
Off	No transceiver module or cable has been installed in the port, or no link is present on the port.

 

Table4-6 LED description for a QSFP56 port split into two breakout interfaces

LED status	Description
Steady green	A transceiver module or cable has been correctly installed in the port. The port is operating at its maximum speed of 100 Gbps, and a link is present on the port.
Flashing green	The port is sending or receiving data at its maximum speed of 100 Gbps.
Off	No transceiver module or cable has been installed in the port, or no link is present on the port.

 

NOTE: When the port is split into two breakout interfaces, QSFP56 port LED 1 indicates the operating status of the first breakout interface and QSFP56 port LED 2 indicates the operating status of the second breakout interface. For the LED description, see Table4-6.

 

QSFP-DD port LED

The switch provides a QSFP-DD port LED for each QSFP-DD port to indicate their operating status.

Table4-7 QSFP-DD port LED description

LED status	Description
Steady green	A transceiver module is installed in the port. The port is operating at its maximum speed of 400 Gbps, and a link is present on the port.
Flashing green	The port is sending or receiving data at its maximum speed of 400 Gbps.
Steady yellow	A transceiver module is installed in the port. The port is operating at a speed lower than the maximum speed, and a link is present on the port.
Flashing yellow	The port is sending or receiving data at a speed lower than the maximum speed.
Off	No transceiver module is installed in the port, or no link is present on the port.

 

Management Ethernet port LED

The switch provides a LINK/ACT LED for the copper management Ethernet port to indicate its operating status.

Table4-8 Management Ethernet port LED description

LED mark	Status	Description
LINK/ACT	Off	No link is present on the port.
	Steady green	The port is operating at 1000 Mbps.
	Flashing green	The port is receiving or sending data at 1000 Mbps.
	Steady yellow	The port is operating at 10/100 Mbps.
	Flashing yellow	The port is receiving or sending data at 10/100 Mbps.

 

Fan tray status LED

The switch provides a fan tray status LED for the fan trays to indicate their operating status.

Table4-9 Fan tray status LED description

LED mark	Status	Description
FAN	Steady green	All fan trays are operating correctly.
	Steady yellow	A fan tray is faulty or not in position.
	Steady red	More than one fan tray is faulty or not in position.

 

Power supply status LED

The switch provides a power supply status LED for the power supplies to indicate their operating status.

Table4-10 Power supply status LED description

LED mark	Status	Description
PSU	Steady green	All power supplies are operating correctly.
	Steady yellow	A power supply is faulty or not in position.
	Steady red	More than one power supply is faulty or not in position.

 

Fan tray alarm LED

The switch supports FAN-80B-1-B and FAN-40B-1-C fan trays. A FAN-80B-1-B or FAN-40B-1-C fan tray provides an alarm LED to indicate its operating status.

Table4-11 Description for the alarm LED on a FAN-80B-1-B or FAN-40B-1-C fan tray

Status	Description
Steady green	The fan tray is operating correctly.
Steady red	The fan tray is faulty.
Off	The fan tray is not securely installed or no power is present.

 

Power supply LEDs

The switch supports the PSR1600C-12A-B power supply. A PSR1600C-12A-B power supply provides three status LEDs to indicate its operating status.

Table4-12 Description for the alarm LED on a PSR1600C-12A-B power supply

LED	LED mark	Status	Description
Power input status LED	IN	Steady green	The power is being input correctly.
		Off	No power is being input or the rated input voltage range has been exceeded.
Power output status LED	OUT	Steady green	The power is being output correctly.
		Off	No power is being output.
Power supply fault LED	!	Flashing yellow	The power supply is faulty.
		Off	The power supply is operating correctly.

 

5 Cooling system

	CAUTION: The chassis and power supplies use separate air aisles. Make sure the two aisles are not blocked when the switch is operating.

 

The switch uses a highly efficient front-rear air aisle cooling system to ensure adequate heat dissipation and improve system reliability. Consider the ventilation design at the installation site when you plan the installation location for the switch.

Table5-1 Fan tray options for the switch

Switch model	Available fan tray	Airflow direction of the chassis
S9825-64D	FAN-80B-1-B	From the port side to the power supply side
S9855-48CD8D	FAN-40B-1-C	From the port side to the power supply side
S9855-24B8D	FAN-40B-1-C	From the port side to the power supply side
S9855-24B8D	FAN-40F-1-D	From the power supply side to the port side

 

Figure5-1 Airflow from the port side to the power supply side through the S9825-64D chassis

 

Figure5-2 Airflow from the port side to the power supply side through the S9855-48CD8D chassis

 

Figure5-3 Airflow from the port side to the power supply side through the S9855-24B8D chassis

 

Figure5-4 Airflow from the power supply side to the port side through the S9855-24B8D chassis