LANCOM YS-7154CF Hardware Quick Reference

This document provides a quick reference for the LANCOM YS-7154CF hardware, including mounting, connecting, and technical details.

Important Note: Before initial startup, please consult the enclosed installation guide for information regarding intended use. Operate the device only with a professionally installed power supply at a nearby, accessible power socket. Ensure all power plugs are freely accessible. LANCOM Systems does not provide support for third-party accessories.

LANCOM Systems GmbH | Adenauerstrasse 20/B2 | D-52146 Wuerselen, declares that this device complies with Directives 2014/30/EU, 2014/35/EU, 2011/65/EU, and Regulation (EC) No. 1907/2006. The full EU Declaration of Conformity is available at: www.lancom-systems.com/doc

Hardware Overview

Power supply: Exchangeable power supply modules (110-230 V, 50-60 Hz)

Environment: Temperature range 0–45° C; humidity 10–90 %, non-condensing

Housing: Robust metal housing, 1 HU with removable mounting brackets and slide-in rails, network connections at front and rear, dimensions 442 x 43.8 x 440 mm (W x H x D)

Number of fans: 5

Interfaces

QSFP28: 6 QSFP28 40 / 100 Gbps ports
SFP28: 48 SFP28 1 / 10 / 25 Gbps ports
OOB Management: 1 RJ-45
USB: 1 USB host
Console: 1 RJ-45

Package Contents

Mounting brackets: 2 x 19“ mounting brackets, 2 x slide-in rails for rear stabilization in 19“ racks
Power supply: 2 x exchangeable power supply modules LANCOM SPSU-400 (hot swappable, for redundancy operation)
Fan modules: 5 x fan modules LANCOM SFAN-YS7, already mounted
Cables: 2 x IEC power cords, 1 x serial configuration cable
Grounding material: 1 x grounding bracket incl. screw

Connecting Interfaces

➀ OOB management interface: Use an Ethernet cable to connect this out-of-band service port for an IP interface independent of the switching plane for management tasks or connection to a monitoring server. This port can be used as a VPC-keepalive link (split-brain detection).

➁ USB interface: Connect a USB stick to the USB interface to store general configuration scripts or debug data. You can also use this interface to upload new firmware.

➂ Serial configuration interface (Console): Connect the configuration interface to the USB interface of the device you want to use for configuring/monitoring the switch using the supplied serial configuration cable.

➃ SFP28 interfaces 1G / 10G / 25G: Insert suitable LANCOM transceiver modules into the SFP28 interfaces 1 to 48. Choose compatible cables and connect them as described in the transceiver modules mounting instructions: www.lancom-systems.com/transceiver-modules-mi.

➄ QSFP28 interfaces 40G / 100G: Insert suitable LANCOM transceiver modules into the QSFP28 interfaces 49 to 54. Choose compatible cables and connect them as described in the transceiver modules mounting instructions: www.lancom-systems.com/transceiver-modules-mi.

➅ Grounding connector (rear panel): Use the enclosed grounding bracket with screw to secure the switch against ground.

➆ Fan modules (rear panel): There are 5 slots for fan modules. To remove a defective fan module, loosen the knurled screw and remove the module. To install a new fan module, push it into the slot and fasten it with the knurled screw. Replace defective fans within 48 hours.

➇ Power supply modules (rear panel): There are 2 slots for power supply modules. Supply the device with power via the power supply sockets. Use the supplied power cords or a country-specific LANCOM Power Cord. To remove a power supply module, disconnect it from the power supply, then pull the plug out. Press the release lever ➈ to the left and pull the module out by the handle 10.

LED Description & Technical Details

OOB management port LEDs

Left LED:

Off: No power
Green: Link available, no data traffic
Green, blinking: Data transmission 1 Gbps

Right LED:

Off: No power
Orange: Link available, no data traffic
Orange, blinking: Data transmission 10 / 100 Mbps

RESET button

Short press: Switching the port LED display
3 - 10 seconds pressed: Device restart
Longer than 10 seconds pressed: Configuration reset and device restart

SYS / FAN / PS0 / PS1 / ID

SYS: off (No power), green blinking (Host CPU/BMC boot in progress), green (Host CPU/BMC boot complete)
FAN: off (Fans not initialized), green (All fans working normally), orange, blinking (Fan failure: maintenance required)
PS0 / PS1: off (No power), green (PSU working normally), orange, blinking (PSU failure: maintenance required)
ID: off (Switch runs as a stand-alone device without stacking), blue, blinking (Switch in stacking mode)

SFP28 ports 1G / 10G / 25G

Off: Port inactive or disabled
Blue: Link 25 Gbps
Blue, blinking: Data transfer, link 25 Gbps
Green: Link < 25 Gbps
Green, blinking: Data transfer, link < 25 Gbps

QSFP28 ports 40G / 100G (4 LEDs per port)

Off: Port inactive or disabled
All 4 LEDs green: Link 100 Gbps
All 4 LEDs green, blinking: Data transfer, link 100 Gbps
All 4 LEDs orange: Link 40 Gbps
All 4 LEDs orange, blinking: Data transfer, link 40 Gbps

Power supply unit (rear panel)

Off: No input power to all power supplies
Green: Output ON and OK
Green, blinking (1/sec): PSU standby state input power present / Only +5VSB on.
Green, blinking (2/sec): Power supply firmware updating (boot loader mode).
Red: Power supply critical event causing a shutdown, failure, over current, short circuit, over voltage, fan failure, and/or over temperature
Red/green, blinking: Power supply warning events where the power supply continues to operate; high temperature, high power, high current, and/or slow fan.

Fan module (rear panel)

Off: No input power
Green: Fan function OK
Orange, blinking: Fan function abnormal, service required

Setup Recommendations

Do not rest any objects on top of the device and do not stack multiple devices.
Keep all ventilation slots clear of obstruction.
Mount the device into a 19” unit in a server cabinet using the provided screws and mounting brackets.

Both slide-in rails are attached as shown in the accompanying installation instructions: www.lancom-systems.com/slide-in-MI.

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