WatchDog PocketShark SKU-091-10 User manual

About this Document
PocketShark PCIe WatchDog Timer™
Hardware Manual Revision 1.0
Page 1
PocketShark PCIe WatchDog
Timer ™
(SKU-091-10)
Hardware Manual
October 13, 2023
Revision 1.0

About this Document
PocketShark PCIe WatchDog Timer
Hardware Manual, Revision 1.0
Page 2
Contents
1About this Document........................................................................................................................4
1.1 Purpose.................................................................................................................................4
1.2Feedback..............................................................................................................................4
1.3 Revision History....................................................................................................................4
2General Description..........................................................................................................................5
2.1 Introduction...........................................................................................................................5
2.2 Package Contents.................................................................................................................6
3Features...........................................................................................................................................8
3.1 Features................................................................................................................................8
3.2 PCI Express WatchDog Timer connection...........................................................................9
4Installation......................................................................................................................................10
4.1 WatchDog Timer board installation ....................................................................................10
4.2 WatchDog Timer board Power ON.....................................................................................10
5Hardware Description.....................................................................................................................11
5.1 Connectors..........................................................................................................................11
6Appendix A: Limited warranty.........................................................................................................12

About this Document
PocketShark PCIe WatchDog Timer™
Hardware Manual Revision 1.0
Page 3
Figures
Figure 1: PocketShark PCIe WatchDog Timer..........................................................................................6
Figure 2: PocketShark PCIe WatchDog Timer (top view) .........................................................................7
Figure 3: Carrier board internal block diagram. .........................................................................................9
Tables
Table 1: PCIe WatchDog Timer connectors............................................................................................11

About this Document
PocketShark PCIe WatchDog Timer
Hardware Manual, Revision 1.0
Page 4
1 About this Document
1.1 Purpose
This document describes hardware installation, features, specification and operation of the
PocketShark PCI Express WatchDog Timer™ from Amfeltec Corporation
.
1.2 Feedback
AMFELTEC Corp. makes every effort to ensure that the information contained in this document is
accurate and complete at the time of release. Please contact Amfeltec if you find any errors,
inconsistency or have trouble understanding any part of this document.
To provide your feedback, please send an email to [e-mail]
Your comments or corrections are greatly valued in our effort for excellence and continuous
improvement.
1.3 Revision History
Rev. No. Description Rev. Date
1.0 Initial Release. October 13, 2023

General Description
PocketShark PCIe WatchDog Timer™
Hardware Manual Revision 1.0
Page 5
2 General Description
2.1 Introduction
The PocketShark PCI Express WatchDog Timer board is the device that maximize the
reliability of embedded appliance or IOT device that operate without human supervision.
The Timer board is monitoring embedded appliance operation and can reboot the system in
case system crash. The WatchDog Timer board is monitoring the signals from the appliance
software that has to be send to the Timer in regular intervals. If the Timer board doesn’t
receive an expected signal with defined period of time, the Timer board generate the RESET
signal for the motherboard to reboot system.
It is a 1U PCI Express board and connects to the motherboard via x1 PCI Express upstream
connector. The WatchDog Timer board holds inside motherboard PCI express connector by
using Amfeltec’s PCI Express Retainer (US Pat. #7,850,475) without any brackets.
The Timer board can operate at industrial temperature rate (from -40°C up to +85°C).

General Description
PocketShark PCIe WatchDog Timer
Hardware Manual, Revision 1.0
Page 6
2.2 Package Contents
PCIe WatchDog Timer package includes the following part:
1. WatchDog Timer
Figure 1: PocketShark PCIe WatchDog Timer

General Description
PocketShark PCIe WatchDog Timer™
Hardware Manual Revision 1.0
Page 7
Figure 2: PocketShark PCIe WatchDog Timer (top view)

Features
PocketShark PCIe WatchDog Timer
Hardware Manual, Revision 1.0
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3 Features
3.1 Features
•Easy ‘Plug and Play” installation. No drivers are needed. Transparent to the operation system.
•Compatible with any motherboard.
•1U PCI Express form factor
•x1 PCI express upstream connection to motherboard
•WatchDog timer interval setting from 1 ms to 4 minutes
•Relay hold interval setting from 1 ms to 255 ms
•Maximum switching voltage: 125 VAC/60VDC; current 1A
•Retained inside a computer without bracket by using Amfeltec PCIe Retainer
(US.Pat. #9,996,475)
•Industrial operation temperature range from -40° C to +85°C
•Dimension:2.6” x 1.8” (65 mm x 30 mm)
•RoHS compliant.

Features
PocketShark PCIe WatchDog Timer™
Hardware Manual Revision 1.0
Page 9
3.2 PCI Express WatchDog Timer connection.
Figure 3: Carrier board internal block diagram.

Installation
PocketShark PCIe WatchDog Timer
Hardware Manual, Revision 1.0
Page 10
4 Installation
4.1 WatchDog Timer board installation
The following steps provide the exact sequence that needs to be followed in order to properly
install the Amfeltec PCIe WatchDog Timer board:
•Turn OFF the computer/appliance before installation
•Remove the chassis cover
•Locate an unused PCI express slot
•Insert the board into the appropriate PCI Express slot
•Put the chassis cover back
•Turn ON the computer
4.2 WatchDog Timer board Power ON
After computer Power ON the Timer has to be configured by using utility that setup the follow
operation parameters:
•WatchDog timer interval (from 5 ms to 4 minutes)
•Relay hold interval (from 1 ms to 255 ms)
•Activate WatchDog Timer