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Cabletron Systems TPXMIM-20 Installation Manual
TPXMIM
INSTALLATION
GUIDE
CABLETRON SYSTEMS, P.O. Box 5005, Rochester, NH 03867-0505
TPXMIM-22
10BASE-T
ETHERNET
E
P
I
M
SN
2
X
3
X
4
X
11
12
13
14
15
16
17
18
19
20
21
22
ETHERNET
A B C
17
X
18
X
19
X
20
X
21
X
22
X
11
X
12
X
13
X
14
X
15
X
16
X
5
X
6
X
7
X
8
X
9
X
10
X
RCV LNK
RCV LNK RCV LNK
1
2
3
4
5
6
7
8
9
10
CLN
TPXMIM-20
10BASE-T
ETHERNET
E
P
I
M
SN
2
X
3
X
4
X
ETHERNET
A B C
5
X
6
X
7
X
8
X
9
X
10
X
RCV LNK RCV LNK
1
2
3
4
5
6
7
8
9
10
CLN
SN
TPXMIM-34
10BASE-T
ETHERNET
E
P
I
M
1 2
1
24
13
ETHERNET
A B C
CLN
1
2
3
4
5
6
7
8
9
10
11
12
RCV LNK
13
14
15
16
17
18
19
20
21
22
23
24
RCV LNK
SN
TPXMIM-33
10BASE-T
ETHERNET
1 2
1
ETHERNET
A B C
CLN
1
2
3
4
5
6
7
8
9
10
11
12
RCV LNK
EPIM SEL
EPIM SEL
EPIM
EPIM
E
P
I
M
Summary of TPXMIM-20
Page 1
Tpxmim installation guide cabletron systems, p.O. Box 5005, rochester, nh 03867-0505 tpxmim-22 10base-t ethernet e p i m sn 2 x 3 x 4 x 11 12 13 14 15 16 17 18 19 20 21 22 ethernet a b c 17 x 18 x 19 x 20 x 21 x 22 x 11 x 12 x 13 x 14 x 15 x 16 x 5 x 6 x 7 x 8 x 9 x 10 x rcv lnk rcv lnk rcv lnk 1 2 ...
Page 2: Notice
Tpxmim installation guide i notice cabletron systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult cabletron systems to determine whether any such changes have been made. The hardware...
Page 3
Notice ii tpxmim installation guide fcc notice this device complies with part 15 of the fcc rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may caus...
Page 4
Tpxmim installation guide iii cabletron systems, inc. Program license agreement important: before utilizing this product, carefully read this license agreement. This document is an agreement between you, the end user, and cabletron systems, inc. (“cabletron”) that sets forth your rights and obligati...
Page 5
Iv tpxmim installation guide exclusion of warranty and disclaimer of liability 1. Exclusion of warranty. Except as may be specifically provided by cabletron in writing, cabletron makes no warranty, expressed or implied, concerning the program (including its documentation and media). Cabletron discla...
Page 6: Contents
Contents tpxmim installation guide v contents chapter 1 introduction 1.1 using this manual.......................................................................... 1 1.2 tpxmim features .......................................................................... 2 1.3 overview...........................
Page 7
Contents vi tpxmim installation guide 3.5.5 connecting a fiber optic cable to an epim-f1/f2, or epim-f3....................................................................... 33 3.5.6 connecting a thin-net segment to an epim-c ............... 35 3.5.7 connecting an aui cable to an epim-a ..............
Page 8: Chapter 1
Tpxmim installation guide page 1 chapter 1 introduction the twisted pair switching media interface module (tpxmim) is a switchable multi-channel ethernet repeater that resides in a multi media access center ® (mmac) hub. This manual explains how to: • install the tpxmim • connect the module to an ex...
Page 9: Installation/configuration
Chapter 1: introduction page 2 tpxmim installation guide chapter 3, installation/configuration , provides instructions/guidelines on how to install the tpxmim into an mmac-fnb, set the board or individual ports to a specific mmac channel, install/replace an optional epim, and connect segments to you...
Page 10: 1.3
Overview tpxmim installation guide page 3 mib navigation assigning the tpxmim board or individual ports to specific ethernet channels, or obtaining tpxmim board or port statistics, requires a multi- channel management device (e.G., emme or emm-e6) and access to a mib walking tool. The emme or emm-e6...
Page 11: Epim-T
Chapter 1: introduction page 4 tpxmim installation guide the tpxmim repeats (regenerates, retimes, and transmits) each packet it receives, assuring data integrity and maximum data path distance. Using repeater interface controller (ric) technology, each tpxmim complies fully with the 10base-t ieee 8...
Page 12: 1.5
The tpxmim and mmac backplane tpxmim installation guide page 5 multi-channel management modules provide bridging and optional routing control for ethernet channels a, b, and c on the mmac backplane, and channel d from the module faceplate. All channels access the same shared memory, allowing a manag...
Page 13: Note:
Chapter 1: introduction page 6 tpxmim installation guide table 1-1. Mmacs with shunting capabilities note: if your mmac does not have a shunting backplane, upgrade kits are available. For additional information on shunting backplanes, or how to upgrade your hub, contact cabletron systems technical s...
Page 14: Sel
Network management capabilities tpxmim installation guide page 7 • a sel (select) led to indicate port association selection of the epim port. The sel led on the tpxmim-33 is always lit since the epim is always active. However , the tpxmim-34 provides the software selectable option of using the epim...
Page 15: User’S Guide
Chapter 1: introduction page 8 tpxmim installation guide cabletron systems’ mmac overview and setup guide cabletron systems’ ethernet management module (emme) user’s guide cabletron systems’ emm-e6 local management user’s guide 1.9 getting help if you need additional support related to the cabletron...
Page 16: Chapter 2
Tpxmim installation guide page 9 chapter 2 specifications/requirements this chapter contains tpxmim operating specifications and general 10base-t networking guidelines. Before attempting to install the tpxmim or any additional epims, review the requirements and specifications outlined in this chapte...
Page 17
Chapter 2: specifications/requirements page 10 tpxmim installation guide minimum packet 96 bits including preamble (the tpxmim repeated: extends packet fragments using the jam [1,0] data pattern). Fault protection: each segment disconnects itself from the other segments following 31 consecutive coll...
Page 18: 2.2
Tpxmim network requirements tpxmim installation guide page 11 2.2 tpxmim network requirements the following sections provide tpxmim network port specifications. 2.2.1 tpxmim-20/22 rj45 connector specifications the tpxmim-20 and the tpxmim-22 provide rj45 connectors to attach twisted pair segments to...
Page 19
Chapter 2: specifications/requirements page 12 tpxmim installation guide table 2-1. 50-pin champ connector pinouts pin signal wire color pin signal wire color 1 rx 1- blue/white 26 rx 1+ white/blue 2 tx 1- orange/white 27 tx 1+ white/orange 3 rx 2- green/white 28 rx 2+ white/green 4 tx 2- brown/whit...
Page 20: 2.3
Network requirements tpxmim installation guide page 13 2.3 network requirements take care in planning and preparing the cabling and connections for your network. The quality of the connections, the length of cables, and other conditions of the installation play critical roles in determining the reli...
Page 21
Chapter 2: specifications/requirements page 14 tpxmim installation guide the high impedance of the ibm type 1 cable increases signal reflection. However, due to cable shielding, and the subsequent lack of crosstalk between shielded pairs, this signal reflection has little effect on the quality of th...
Page 22: 2.3.2
Network requirements tpxmim installation guide page 15 2.3.2 multimode fiber optic network when connecting a multimode fiber optic link segment to the hub (using an epim-f1/f2), ensure the network meets the following requirements: • cable type - use the epim-f1 and epim-f2 for the following multimod...
Page 23: 2.3.3
Chapter 2: specifications/requirements page 16 tpxmim installation guide • length - the maximum possible multimode fiber optic cable length is 2 km (2187.2 yards). However, ieee 802.3 foirl specifications specify a maximum of 1 km (1093.6 yards). 2.3.3 single mode fiber optic network when connecting...
Page 24: 2.3.4
Transceiver requirements tpxmim installation guide page 17 • length - if you meet all system budgets, the maximum single mode fiber optic cable length can reach 5 km (3.1 miles) with bridges at each segment end. However, ieee 802.3 foirl specifications specify a maximum of 1 km (1093.6 yards). 2.3.4...
Page 25: Chapter 3
Tpxmim installation guide page 19 chapter 3 installation/configuration this chapter contains instructions for: • unpacking the tpxmim • installing the tpxmim into a multi media access center (mmac) • configuring the tpxmim board or individual ports to run on mmac backplane channels • adding/replacin...
Page 26
Chapter 3: installation/configuration page 20 tpxmim installation guide • we suggest positioning the tpxmim next to any contiguous ric mims or mims directly controlled by the hub managing device (e.G., emme, emm-e6, etc.). This does not apply to shunting mmac-fnbs, where the data path remains unbrok...
Page 27
Installing the tpxmim tpxmim installation guide page 21 4. Secure the module to the mmac chassis by tightening the knurled knobs. If you do not tighten the knurled knobs, vibration can cause the module to lose contact with the backplane and disrupt your network. 5. Power-up the mmac (if it isn’t alr...
Page 28: 3.3
Chapter 3: installation/configuration page 22 tpxmim installation guide 3.3 configuring boards and ports the tpxmim provides state of the art flexibility by allowing you to assign whole boards or individual ports to any mmac channel (i.E., channel a, b, or c). In other words, you can: • assign an en...
Page 30: 3.3.2
Chapter 3: installation/configuration page 24 tpxmim installation guide 8. Press the return key. If the device accepts the entry, it displays: operation code: xxxx if the module does not accept the entry, and an error message appears, begin with step #1 again and re-enter the information. If the mod...
Page 31: Mmac
Configuring boards and ports tpxmim installation guide page 25 4. Press the return key. The snmp tools screen displays: {integer string null oid ip address counter guage timeticks opaque} data type (name): 5. Enter “in” for an integer data type. 6. Press the return key. The snmp tools screen display...
Page 32: 3.4
Chapter 3: installation/configuration page 26 tpxmim installation guide 3.4 adding/replacing epims this section contains procedures on how to add/replace an ethernet port interface module (epim) to upgrade or change the capabilities of your hub. After installing your new epim, refer to appropriate e...
Page 33: 3.5
Connecting to the network tpxmim installation guide page 27 3.5 connecting to the network this section describes the various connection types for the tpxmims and each optional epim. The procedure for connecting ethernet segments to a module or an epim varies depending on the media type. Refer to the...
Page 34: 3.5.2
Chapter 3: installation/configuration page 28 tpxmim installation guide 2. At the device end of a segment, attach the segment to a 10base-t compliant ethernet device. 3. Check that the lnk (link) led on the 10base-t ethernet device and the lnk led on the tpxmim are on. If the leds are not on, perfor...
Page 35
Connecting to the network tpxmim installation guide page 29 figure 3-5. 50-pin champ connector to connect the tpxmim-33/34 into an existing twisted pair wiring system: 1. Connect a 50-pin feeder cable to the champ connector on the tpxmim. See figure 3-5. 2. Attach the feeder cable to the punch down ...
Page 36: 3.5.3
Chapter 3: installation/configuration page 30 tpxmim installation guide 4. Check that the lnk (link) light on the 10base-t ethernet device and the lnk led on the tpxmim are on. If the leds are not on, perform each of the following steps until they are: a. Check that the 10base-t device and the mmac ...
Page 37
Connecting to the network tpxmim installation guide page 31 to connect an epim-t to a twisted pair segment: 1. Connect the twisted pair segment to the module by inserting the rj45 connector on the twisted pair segment into the rj45 port on the module. (see figure 3-7.) 2. Check that the lnk led for ...
Page 38: 3.5.4
Chapter 3: installation/configuration page 32 tpxmim installation guide 3.5.4 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 equipment (dte) requires sqe. Refer to your dte manu...
Page 39: 3.5.5
Connecting to the network tpxmim installation guide page 33 3.5.5 connecting a fiber optic cable to an epim-f1/f2, or epim-f3 when connecting a fiber optic link segment to an epim-f1/f2, or epim-f3 keep the following in mind: • when connecting a fiber optic link segment with sma 906 connectors to an...
Page 40
Chapter 3: installation/configuration page 34 tpxmim installation guide caution: do not touch the ends of the fiber optic strands, and do not let the ends come in contact with dust, dirt, or other contaminants. Contamination of cable ends causes problems in data transmissions. If necessary, clean co...
Page 41: 3.5.6
Connecting to the network tpxmim installation guide page 35 3. Attach the fiber labeled 2 to the applicable transmit port (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 receive port...
Page 42
Chapter 3: installation/configuration page 36 tpxmim installation guide 3. If the internal termination switch is in the off position: a. Attach a bnc tee-connector to the bnc port on the module. B. Attach the thin-net segment to one (1) of the female connectors on the tee-connector. Caution: failure...
Page 43: 3.5.7
Connecting to the network tpxmim installation guide page 37 3.5.7 connecting an aui cable to an epim-a caution: ensure that the external transceiver to which the epim-a connects does not have the signal quality error (sqe or “heartbeat”) test function enabled. The epim does not operate if the transc...
Page 44
Chapter 3: installation/configuration page 38 tpxmim installation guide 5. Lock the aui connector into place using the connector slide latch. 6. If the transceiver pwr led is off with the aui cable connected: a. Check the aui connections for proper pinouts. Appendix b lists the pinouts for the trans...
Page 45: Chapter 4
Tpxmim installation guide page 39 chapter 4 testing/troubleshooting this chapter includes information for testing your tpxmim before and after connecting it to your network, and troubleshooting network and tpxmim operational problems. 4.1 pre-installation test before installing the tpxmim in a live ...
Page 46: 4.2
Chapter 4: testing/troubleshooting page 40 tpxmim installation guide figure 4-1. Pre-installation test 4.2 installation check-out after connecting the emme to the network, verify that the two ethernet network segments can pass packets using the emme. Again you can use two workstations set up as file...
Page 47
Installation check-out tpxmim installation guide page 41 figure 4-2. Installation check-out emme mmac-3fnb tpxmim-33 tpt file server workstation mmac3/fnb with emme and tpxmim office locations client workstation.
Page 48: 4.3
Chapter 4: testing/troubleshooting page 42 tpxmim installation guide 4.3 using lanview the tpxmim uses the cabletron systems built-in visual diagnostic and status monitoring system called lanview. With lanview, you can quickly scan the tpxmim leds to observe network status or diagnose network proble...
Page 49
Using lanview tpxmim installation guide page 43 table 4-1. Tpxmim lanview leds led color description error condition/ recommended action ethernet channels (a, b, c) green when on, these leds indicate that at least one tpxmim port accesses that channel. The tpxmim can have all leds on at the same tim...
Page 50
Chapter 4: testing/troubleshooting page 44 tpxmim installation guide led color description error condition/ recommended action epim sel (select) tpxmim- 33 green this led is on as long as power is applied. The epim on the tpxmim-33 is always selected (all ports are active). If the led remains off af...
Page 51: 4.4
Troubleshooting checklist tpxmim installation guide page 45 4.4 troubleshooting checklist if your tpxmim is not operating properly, the following checklist describes some of the problems that may occur with the module, possible causes for the problem, and suggestions for resolving the problem. Table...
Page 52: Appendix A
Tpxmim installation guide page 47 appendix a twisted pair wiring tables this appendix contains twisted pair wiring tables to assist you when using a punch down block (see figure a-1) to wire your twisted pair segments. This appendix includes the following tables: • table a-1 twisted pair wiring from...
Page 53
Appendix a: twisted pair wiring tables page 48 tpxmim installation guide from punch down block to rj45 wallplate into office drop into 10base-t device b40 gray/yellow tx- 6 rx- 6 rx- 6 rx- port 9/21 pin pin pin b33 yellow/orange rx+ 1 tx+ 1 tx+ 1 tx+ b34 orange/yellow rx- 2 tx- 2 tx- 2 tx- b35 yello...
Page 54
Twisted pair wiring tables tpxmim installation guide page 49 from punch down block to rj45 wallplate into office drop into 10base-t device b18 brown/red rx- 2 tx- 2 tx- 2 tx- b19 red/gray tx+ 3 rx+ 3 rx+ 3 rx+ b20 gray/red tx- 6 rx- 6 rx- 6 rx- port 4/16 pin pin pin b13 red/orange rx+ 1 tx+ 1 tx+ 1 ...
Page 55
Appendix a: twisted pair wiring tables page 50 tpxmim installation guide table a-2. Twisted pair wiring summary tpxmim 33/34 champ punch down block wall plate (if required) 10base-t ethernet device port 12 48 rx+ 23 rx- 49 tx+ 24 tx- port 11 46 rx+ 21 rx- 47 tx+ 22 tx- : : : : : : : : : : : port 1 2...
Page 56
Twisted pair wiring tables tpxmim installation guide page 51 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 6 4 7 4 8 4 9 5 0 a b c d.
Page 57: Appendix B
Tpxmim installation guide page 53 appendix b epim specifications network (twisted pair) interface internal transceiver: cabletron systems tpt transceiver. Refer to the tpt twisted pair transceiver user’s manual. Epim-t (10base-t twisted pair port) internal transceiver: cabletron systems tpt 10base-t...
Page 58
Appendix b: epim specifications page 54 tpxmim installation guide figure b-2. Cross-over switch on the epim-t epim-f1/f2 (multimode fiber optic port) internal transceiver: cabletron systems fot-f™ fiber optic transceiver type: epim-f1: sma fiber optic ports (fig. B-3) epim-f2: st fiber optic ports (...
Page 59
Epim-f3 (single mode fiber optic port) tpxmim installation guide page 55 note: the above transmitter power and receive sensitivity levels represent peak power levels after optical overshoot. You must use a peak power meter to correctly compare the above values to those you measure on any particular ...
Page 60: Parameter
Appendix b: epim specifications page 56 tpxmim installation guide note: transmitter power is inversely proportional to temperature rise. Use the output power coefficient to calculate increased or decreased power output for your operating environment. For example, typical power output at 25ºc equals ...
Page 61
Epim-c (bnc port) tpxmim installation guide page 57 note: the above transmitter power levels and receive sensitivity levels represent peak power levels after optical overshoot. You must use a peak power meter to correctly compare the above values to those you measure on any particular port. If you m...
Page 62
Appendix b: epim specifications page 58 tpxmim installation guide grounding: for safety, connect only one end of a thin-net segment to earth ground. Do not connect the bnc port of an epim-c to earth ground. Warning: connecting a thin-net segment to earth ground at more than one point could produce d...