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Page A-4

TWISTED PAIR WIRING TABLES

Port 4/16

Pin

Pin

Pin

RX+

32

32 Red/Orange

RX+

A13 Red/Orange

RX+

RX-

7

7

Orange/Red

RX-

A14 Orange/Red

RX-

TX+

33

33 Red/Green

TX+

A15 Red/Green

TX+

TX-

8

8

Green/Red

TX-

A16 Green/Red

TX

Port 3/15

Pin

Pin

Pin

RX+

30

30 White/Gray

RX+

A9

White/Gray RX+

RX-

5

5

Gray/White

RX-

A10 Gray/White

RX-

TX+

31

31 Red/Blue

TX+

A11 Red/Blue

TX+ 

TX- 6

6

Blue/Red

TX-

A12 Blue/Red

TX-

Port 2/14

Pin

Pin

Pin

RX+

28

28 White/Green RX+

A5

White/Green RX+

RX-

3

3

Green/White RX-

A6

Green/White RX-

TX+ 29

29 White/Brown TX+

A7

White/Brown TX+

TX- 4

4

Brown/White TX-

A8

Brown/White TX-

Port 1/13

Pin

Pin

Pin

RX+

26

26 White/Blue

RX+

A1

White/Blue

RX+

RX-

1

1

Blue/White

RX-

A2

Blue/White

RX-

TX+

27

27 White/Orange TX+

A3

White/O

TX-

2

2

Orange/White TX-

A4

Orange/WhiteTX-

Table A-1. Twisted Pair Wiring

from an SEH-32/34 to a Punch Down Block (Continued)

From
SEH-32/34

Into and Out of 
50-Pin Feeder Cable

Into Punch Down 
Block 

Summary of Contents for SEH-24

Page 1: ...SEH 22 SEH 24 SEH 32 AND SEH 34 10BASE T STACKABLE HUB USER S GUIDE CABLETRON SYSTEMS P O Box 5005 Rochester NH 03866 5005 The Complete Networking Solution...

Page 2: ...MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copyright February 1994 by Cabletron Systems Inc P O...

Page 3: ...perator s manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to cor...

Page 4: ...ILITY IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT PROMPTLY RETURN THE UNUSED PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND CABLETRON SOFTWARE PROGRAM LICENSE 1 LICENSE You have the right t...

Page 5: ...BLETRON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES OR ON THE DURATION OR LIMI...

Page 6: ...2 2 2 1 3 Multimode Fiber Optic Cable Specifications for the EPIM F1 and EPIM F2 Modules 2 4 2 1 4 Single Mode Fiber Optic Cable Specifications for the EPIM F3 Module 2 5 2 1 5 Thin net Network Requi...

Page 7: ...SEH TO THE NETWORK 4 1 4 1 1 Connecting Network Ports SEH 22 and SEH 24 4 1 4 1 2 Connecting Network Ports SEH 32 and SEH 34 4 3 4 1 3 Connecting a UTP Segment to an EPIM T 4 4 4 1 4 Connecting a Fib...

Page 8: ...hernet and IEEE 802 3 type data communications networks and their physical layer components will be helpful when installing the SEH Chapter 1 Introduction outlines the contents of this manual briefly...

Page 9: ...network connections and rear panel HubSTACK Interconnect Bus ports for stackable connections Figure 1 1 The SEH 24 and SEH 34 SEH 24 10BASE T HUB WITH LANVIEW OUT SEH INTERCONNECT IN EPIM 1 EPIM 2 Hub...

Page 10: ...he IEEE 802 3 Repeater AUI and 10BASE T specifications and provides the flexibility to connect networks using IEEE 802 3 Ethernet Version 1 or Version 2 equipment The SEH transmits re timed data packe...

Page 11: ...the entire stack individual device or individual port You can stack together up to five SEHs for a non managed stack or one intelligent hub and up to four SEHs for a managed stack You can also add or...

Page 12: ...t it on a wall Cabletron offers an accessory package that includes brackets and mounting screws The part number for the accessory package is SEH ACCY KIT 1 7 RELATED MANUALS Us the SEHI 22 24 and SEHI...

Page 13: ...etwork using UTP STP Multimode Fiber Optic Single Mode Fiber Optic or Thin Coaxial cabling The rear panel Interconnect Bus Ports support Cabletron Systems HubSTACK Interconnect cables for stackable ap...

Page 14: ...link is 11 5 dB at all frequencies between 5 0 and 10 MHz This includes the attenuation of the cables connectors patch panels and reflection losses due to impedance mismatches in the link segment Imp...

Page 15: ...se can be caused by either crosstalk or externally induced impulses Impulse noise may cause data errors if the impulses occur at very specific times during data transmission Generally the user need no...

Page 16: ...d be calculated and taken into consideration before fiber optic cable runs are incorporated in any network design Fiber optic budget is the combination of the optical loss due to the fiber optic cable...

Page 17: ...fiber optic cable length the fiber optic budget total loss of 10 0 dB or less between stations and total network propagation delay should be calculated and considered before fiber optic cable runs are...

Page 18: ...he far end of each thin net segment Connectors A maximum of 29 tee connectors may be used throughout the length of cable segment for host connections If an excessive number of barrel connectors are us...

Page 19: ...ength The AUI Cable must not exceed 50 meters in length If 28 AWG thin office drop AUI cable is used then the maximum cable length is limited to 50 feet 15 24 meters Grounding The connector shell of t...

Page 20: ...nouts Figure 2 1 RJ45 Network Ports 2 2 2 SEH 32 and SEH 34 Network Port Specifications The SEH 32 and SEH 34 provide 50 pin Champ connectors for network connections as shown in Figure 2 2 Table 2 3 s...

Page 21: ...4 RX 5 Red Brown 10 TX 5 Gray Red 35 TX 5 Red Gray 11 RX 6 Blue Black 36 RX 6 Black Blue 12 TX 6 Orange Black 37 TX 6 Black Orange 13 RX 7 Green Black 38 RX 7 Black Green 14 TX 7 Brown Black 39 TX 7 B...

Page 22: ...has an internal Cabletron Systems TPT T 10BASE T Twisted Pair Transceiver The slide switch on the EPIM T determines the cross over status of the cable pairs If the switch is on the X side the pairs a...

Page 23: ...5 dBm 28 0 dBm Peak Input Power 7 6 dBm 8 2 dBm Transmitter Power 50 125 m fiber 13 0 dBm 15 0 dBm 13 0 dB 17 5 dB 62 5 125 m fiber 10 0 dBm 12 0 dBm 16 0 dB 20 5 dB 100 140 m fiber 7 0 dBm 9 0 dBm 19...

Page 24: ...or the EPIM F3 are listed below Figure 2 5 EPIM F3 Note Transmitter Power decreases as temperatures rise and increases as temperatures fall Use the Output Power Coefficient to calculate increased or d...

Page 25: ...measuring power levels with an Average Power Meter add 3 dBm to the average power measurement to correctly compare the average power values measured to the values listed above i e 33 5 dBm average 3...

Page 26: ...or Figure 2 6 shows the setting for the terminator switch Figure 2 6 EPIM C Connector Type BNC receptacle with gold center contact for use with BNC type tee connectors and RG 58 thin net cable Groundi...

Page 27: ...with dual internal transceivers It has a DB15 male connector used to attach segments to an AUI cable Figure 2 7 shows both modules Figure 2 7 The EPIM A and EPIM X DB15 Pinouts Pin 1 Logic Ref 9 Colli...

Page 28: ...r to an Ethernet Version 1 0 device In addition some Version 2 0 equipment does not support the SQE test Devices that do not support SQE test interpret the SQE test pulse as a collision 2 5 OPERATING...

Page 29: ...is on for longer than approximately 110 s This fault protection will reset automatically after one packet is transmitted received onto the fault protected segment without causing a collision POWER SUP...

Page 30: ...2 No 950 and EN 60950 the EMI requirements of FCC Class A and EN 55022 Class A and the EMC requirements of EN 50082 1 Warning It is the responsibility of the person who sells the system to which the...

Page 31: ...fully remove the SEH from the shipping box 3 Remove the SEH from the protective plastic bag and set it aside to prevent damage 4 Visually inspect the SEH If there are any signs of damage contact Cable...

Page 32: ...g sections provide instructions for stacking the SEH or installing it as a stand alone device Select one of the following subsections and perform the steps that are applicable to your installation nee...

Page 33: ...he bus port labeled OUT on the rear panel of the SEHI 2 Attach the other end of SEHI HubSTACK Interconnect cable to the bus port labeled IN on the rear panel of the SEH next in the stack SEH 24 10BASE...

Page 34: ...cket to the front of the SEH as follows 1 Locate the strain relief bracket and four 8 32 x 3 8 screws from the SEH ACCY KIT package Warning Use of longer screws may cause damage to the unit or electri...

Page 35: ...tep 1 attach the rack mounting brackets to each end of the SEH Figure 3 4 Installing the Rack Mount Brackets 3 With the mounting brackets installed position the SEH between the vertical frame members...

Page 36: ...ets to the bottom of the SEH as shown in Figure 3 6 There are two brackets one for each side Figure 3 6 Installing the Wall Mounting Brackets 2 Select the wall location for the SEH within 7 feet of a...

Page 37: ...Tighten each of the anchor screws until the anchor expands holding the anchor firmly in the wall then remove the screws completely 6 Position the SEH on the wall over the anchors and reinstall the fo...

Page 38: ...lows you to connect the SEH to power sources from 90 Vac to 264 Vac 47 63 Hz To connect the SEH to the power source 1 Plug the power cord into the back panel of the SEH 2 Plug the other end of the pow...

Page 39: ...22 24 4 1 1 Network Ports SEH 32 34 4 1 2 EPIM T 4 1 3 EPIM F1 F2 F3 4 1 4 EPIM C 4 1 5 EPIM A 4 1 6 EPIM X 4 1 7 Prior to connecting the network cabling check the connectors for the proper pinouts a...

Page 40: ...m each of the following steps until it is a Check that the 10BASE T device at the other end of the twisted pair segment is powered up b Verify that the RJ45 connector on the twisted pair segment has t...

Page 41: ...block To connect the SEH into an existing twisted pair wiring system 1 Connect a 50 pin feeder cable to the Champ connector on the SEH as shown in Figure 4 2 Figure 4 2 SEH 32 34 Network Ports 2 Atta...

Page 42: ...ot been established contact Cabletron Systems Technical Support 4 1 3 Connecting a UTP Segment to an EPIM T Before connecting a segment to the EPIM T check each end of the segment to determine if the...

Page 43: ...till has not been established contact Cabletron Systems Technical Support 4 1 4 Connecting a Fiber Optic Link Segment to an EPIM F1 EPIM F2 or EPIM F3 When connecting a fiber optic link segment to an...

Page 44: ...t When you buy fiber optic cable from Cabletron Systems it is labeled so that at one end of the cable one fiber is labeled 1 and the other fiber is labeled 2 This pattern is repeated at the other end...

Page 45: ...e applicable transmit port labeled TX on the module 4 At the other end of the fiber optic cable attach the fiber labeled 1 to the transmit port of the device 5 Attach the fiber labeled 2 to the receiv...

Page 46: ...g a Thin Net Segment to an EPIM C To connect a thin net segment to an EPIM C refer to Figure 4 5 and perform the following steps 1 Set the Internal Termination Switch to the right of the port and labe...

Page 47: ...thin coax segment or a terminator to the other female connector on the tee connector Figure 4 5 The EPIM C Attach thin net segment directly to BNC connector when internal termination switch is set to...

Page 48: ...nsceiver manual To connect an EPIM A to an external network segment 1 Attach an external transceiver to the network segment that will be connected to the AUI port Refer to the applicable transceiver m...

Page 49: ...n Systems Technical Support 4 1 7 Connecting an AUI Cable to an EPIM X Caution The signal quality error SQE switch remains in the OFF position for most network connections However some Data Terminal E...

Page 50: ...allation thoroughly making sure that you can address all stations and that the SEH and all stations are indicating normal operation Ensure that the networking software is configured properly to match...

Page 51: ...ollows 1 Check that the LNK LED if applicable for the port is on If the LED is not on a Check that the 10BASE T device at the other end of the twisted pair segment is powered up b Verify that the conn...

Page 52: ...packet is transmitted received without collisions If the LNK LED is still not on contact Cabletron Systems Technical Support 5 2 USING LANVIEW The SEH incorporates the Cabletron Systems LANVIEW Statu...

Page 53: ...lligent hub is not managing the SEH If you connect an intelligent hub to the SEH and the LED does not flash inspect the HubSTACK Interconnect cables for proper connections PWR MGMT CLN E 1 E 2 RCV LNK...

Page 54: ...ociated port segment Each SEH port has a corresponding RCV LED Network Ports RCV LEDs 1 24 EPIM 1 RCV LED E1 EPIM 2 RCV LED E2 LNK Green When a LNK LED is on it indicates an established link between t...

Page 55: ...will assist you if you are using a Punch Down block see Figure A 1 to wire your twisted pair segments The following tables are included in this appendix Table A 1 Twisted Pair Wiring from an SEH to a...

Page 56: ...Brown Violet TX Port 11 23 Pin Pin Pin RX 46 46 Violet Blue RX A41 Violet Blue RX RX 21 21 Blue Violet RX A42 Blue Violet RX TX 47 47 Violet Orange TX A43 Violet Orange TX TX 22 22 Orange Violet TX A4...

Page 57: ...Brown TX TX 14 14 Brown Black TX A28 Brown Black TX Port 6 18 Pin Pin Pin RX 36 36 Black Blue RX A21 Black Blue RX RX 11 11 Blue Black RX A22 Blue Black RX TX 37 37 Black Orange TX A23 Black OrangeTX...

Page 58: ...6 6 Blue Red TX A12 Blue Red TX Port 2 14 Pin Pin Pin RX 28 28 White Green RX A5 White Green RX RX 3 3 Green White RX A6 Green White RX TX 29 29 White Brown TX A7 White Brown TX TX 4 4 Brown White TX...

Page 59: ...8 Brown Violet TX 6 RX 6 RX 6 RX Port 11 23 Pin Pin Pin B41 Violet Blue RX 1 TX 1 TX 1 TX B42 Blue Violet RX 2 TX 2 TX 2 TX B43 Violet Orange TX 3 RX 3 RX 3 RX B44 Orange Violet TX 6 RX 6 RX 6 RX Port...

Page 60: ...3 RX B28 Brown Black TX 6 RX 6 RX 6 RX Port 6 18 Pin Pin Pin B21 Black Blue RX 1 TX 1 TX 1 TX B22 Blue Black RX 2 TX 2 TX 2 TX B23 Black Orange TX 3 RX 3 RX 3 RX B24 Orange Black TX 6 RX 6 RX 6 RX Po...

Page 61: ...X B12 Blue Red TX 6 RX 6 RX 6 RX Port 2 14 Pin Pin Pin B5 White Green RX 1 TX 1 TX 1 TX B6 Green White RX 2 TX 2 TX 2 TX B7 White Brown TX 3 RX 3 RX 3 RX B8 Brown White TX 6 RX 6 RX 6 RX Port 1 13 Pin...

Page 62: ...8 TX A41 RX A42 RX A43 TX A44 TX A1 RX A2 RX A3 TX A4 TX PIN 1 TX PIN 2 TX PIN 3 RX PIN 6 RX PIN 1 TX PIN 2 TX PIN 3 RX PIN 6 RX PIN 1 TX PIN 2 TX PIN 3 RX PIN 6 RX PIN 1 TX PIN 2 TX PIN 3 RX PIN 6 RX...

Page 63: ...Page A 9 Figure A 1 Punch Down Block 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 4 1 4 2 4 3 4 4 4 5 4...

Page 64: ...die Anwendung des Geraetes geeignet und der zum Benuetzen im Lande der Anwendung anerkannt ist SPANISH El cable principal de la red el ctrica utilizado con este equipo debe tener 2 conductores y 1 to...

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