
KFS-1640
Industrial 16-Port L2 Fast Ethernet 
Switches
DIN-Rail Mounting
Panel Mounting Bracket 
KSD-8PB
Key Features:
 Auto MDI/MDI-X crossover function on the TP copper port
 Support IEEE 802.3x flow control for full-duplex operation
 Support Back-pressure flow control for half-duplex operation
 Transparent forwarding for tagged/untagged, IGMP, RSTP/STP packets with no modification
 IEEE 802.3az Energy Efficient Ethernet (EEE)
 Wide operating temperature range for temperature critical environment
 Support DIN-Rail mounting and panel mounting
 Provide two power input types to meet more application needs
 DC power input options: +4.5 ~ +50VDC, 110VDC, 90 ~ 240VAC
 Accept wide power input voltage range for application flexibility
 Industrial-rated Emission and Immunity performance
Specifications:
Standard        IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX std. 
Network Ports    16 10/100 Fast Ethernet copper ports
               Shielded RJ-45 jacks with auto-negotiation, auto-MDI/MDI-X support 
Flow control     IEEE 802.3x pause packet for full-duplex operation
               Back-pressure for half-duplex operation 
Cables          10BASE-T: Cat. 3, 4, 5 or higher (100 meters max.)
               100BASE-TX: Cat. 5, 5e or higher (100 meters max.) 
LEDs          Power status
               Port link/activity status 
               Port speed status
Forwarding rate    10Base-T: 10Mbps (Half-duplex) 20Mbps (Full-duplex) 
                 100Base-TX: 100Mbps (Half-duplex) 200Mbps (Full-duplex)
MAC Table    8K entries 
Packet Size      Up to 2K bytes 
Environment  Operating Temperature: -20
  Storage Temperature:  -20 
  Relative Humidity:   10% ~ 90% non-condensing
Dimensions  40 x 106 x 140 mm (WxDxH) 
Power Input Voltage  KFS-1640-L: +4.5 ~ +50VDC
  KFS-1640-H: +110VDC with polarity protection 
    90 ~ 240VAC
O
O
C 
C
 ~ 70 
 ~ 85
O
C (Device)
O
C
120309

Ordering Informations:
Model DC IN  DC IN Voltage
KFS-1640-L 
KFS-1640-H
TB-5P, DC Jack
TB-5P
+4.5 ~ +50VDC
+110VDC
90 ~ 240VAC
EMI EMS Safety Environmental Tests:
Test
FCC/EMI
CE/EMC/EMI
CE/EMC/Harmonic
CE/EMC/VFF
CE/EMC/EMS
ESD Test
RS Test
EFT/BURST
Surge Immunity
CS Test
Magnetic Field Imm.
Voltage Dips Imm.
Safety
Dielectric Voltage
Insulation Resistance
Cold Test
Dry Heat Test
Damp Heat Test
Storage Test
Standard
FCC Rule Part 15
EN55022, CISPR 22
EN 61000-3-2 
EN 61000-3-3
EN 55024 
IEC 61000-4-2 
IEC 61000-4-3 
IEC 61000-4-4
IEC 61000-4-5
IEC 61000-4-6 
IEC 61000-4-8
IEC 61000-4-11
EN 60950, IEC 60950
IEEE 802.3
IEEE 802.3 
IEC 68-2-1 Test Ad 
IEC 68-2-2 Test Bd
IEC 68-2-3
IEC 68-2-48
Specifications
Class A 
Class A
230VAC/50Hz
Class A
Clause 5
Contact: +/-6KV
Air: +/-8KV
Strength: 10V/m
DC IN: +/-1KV
TP: +/-2KV
DC IN: +/-1KV
TP: +/-1KV
Level 3
50Hz 100A/m
Interruption: C
Dips: B
TP, 1500VAC/60sec. 
TP, 500VDC/10Mohm
-20OC, 72hrs 
+70OC 40%RH 72hrs 
+70OC 90%RH 72hrs
-20OC 96hrs
+85OC 90%RH 96hrs
Power Input Connector Industrial Terminal Block 5P: Vin +/-, PE, PF +/- (PF: Power failure relay output) 
                   DC Jack ( KFS-1640-L)
Power Consumption  3.4W max. (KFS-1640-L)
    5.2W max. (KFS-1640-H) 
Housing            Enclosed metal with no fan 
Mounting Support    DIN-Rail, Panel mounting (optional) 
Approval            FCC Class A, CE mark Class A, IEC60950-1 safety, C-Tick
Optional Accessories: 
L02-0001-026  AC Power adapters for high temperature 60OC for Europe, Input 100 ~  
  240VAC, Output 12VDC/1.8A, 12Watts
L02-0001-027     AC Power adapters for high temperature 60OC for USA, Input 100 ~ 240VAC, 
                 Output 12VDC/1.8A, 12Watts
KPW-2012-D-E    DIN-Rail Power Supply, Input 100 ~ 240VAC, Output 12VDC/1.8A 20Watts, WT
  -20OC ~ 60OC 
KPW-1012-D    DIN-Rail Power Supply, Input 100 ~ 240VAC, Output 12VDC / 0.85A 10Watts, 
  WT -20OC ~ 70OC 
KSD-8PB    Panel mounting bracket
FCC Part 15'Class A
CISPR 22 Class A
Katron Technologies Inc.
15F-7, No. 79, Sec. 1, Hsin Tai Wu Rd., 
Hsi-chih, New Taipei City, Taiwan, R.O.C. 
Tel: 886-2-2698-3878 
Fax: 886-2-2698-3873 
E-mail: kti@ktinet.com.tw 
URL: http: //www.ktinet.com.tw
KTI Networks Inc.
10415-A Westpark Drive, Houston, 
TX 77042. U.S.A. 
Tel: 1-713-266-3891 
Fax: 1-713-914-0555 
E-mail: contact@ktinet.com 
URL: http: //www.ktinet.com
Trademarks: All brand names are trademarks or registered 
trademarks of their respective holders. 
This information is subject to change without prior notice.
DIN-Rail Mounting Dimension Panel Mounting Dimension
120309