Cabletron Systems FDCMIM-24 Скачать руководство пользователя страница 8 | Manualshive

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INTRODUCTION

Page 1-2

Figure 1-1. FDCMIM-04 / 24 / 34 / 44 FDDI Concentrator

Media Interface Modules

1.2

OVERVIEW

The FDCMIM is a concentrator module that resides in an MMAC
network hub containing a Flexible Network Bus (FNB). The FDCMIM
acts as a modular component in a Dual Attached Concentrator.

FDCMIMs (and their attached stations) gain access to an FDDI dual
ring network through an FDMMIM, FDMMIM-04, FDMMIM-24, or
FDMMIM-30 the Cabletron Systems X3T9.5 compliant Dual Attached
Concentrator and Ethernet to FDDI Bridge Media Interface Modules.
The FDCMIM connects to the FDMMIM through the FDDI portion of
the MMAC Flexible Network Bus.

STP-PMD

FDDI

FDCMIM-44

SN

PWR

FNB

1

2

3

4

LNK

PST

LNK

PST

LNK

PST

LNK

PST

SMF-PMD

FDDI

FDCMIM-34

SN

LNK

PST

LNK

PST

LNK

PST

LNK

PST

1

2

3

4

PWR

FNB

UTP-PMD

FDDI

FDCMIM-24

SN

PWR

FNB

1

2

3

4

LNK

PST

LNK

PST

LNK

PST

LNK

PST

FDDI

FDCMIM-04

SN

LNK

PST

LNK

PST

LNK

PST

LNK

PST

1

2

3

4

PWR

FNB

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Содержание FDCMIM-24

Страница 1: ...FDCMIM 04 08 24 28 34 38 44 48 FDDI CONCENTRATORS INSTALLATION GUIDE CABLETRON SYSTEMS P O Box 5005 Rochester NH 03867 0505...

Страница 2: ...N CONTAINED IN IT EVEN IF CABLETRON SYSTEMS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Copyright November 1993 by Cabletron Systems Inc P O Box 5005 Rochester NH 03...

Страница 3: ...anual 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 correct the in...

Страница 4: ...enance checks or adjustments The output is factory set and does not allow any user adjustment Class 1 Laser transceivers comply with the following safety standards 21 CFR 1040 10 and 1040 11 U S Depar...

Страница 5: ...Bm or 55x10 6 watts Removing the optical connector from the transceiver allows laser radiation to emit directly from the optical port The maximum radiance from the optical port under worst case condit...

Страница 6: ...ding MIMs to an MMAC 2 1 2 3 MMAC Configurations 2 3 2 3 1 FDCMIMs Exclusively 2 4 2 3 2 IRM3 and Ethernet MIMs with FDCMIMs 2 5 2 3 3 EMME and RMIMs with FDCMIMs 2 5 2 3 4 TRMM and Token Ring MIMs wi...

Страница 7: ...s have eight master ports where X varies depending on the cable transmitter type that accept different connectors Chapter 4 Specifications lists the operating specifications for the different availabl...

Страница 8: ...network through an FDMMIM FDMMIM 04 FDMMIM 24 or FDMMIM 30 the Cabletron Systems X3T9 5 compliant Dual Attached Concentrator and Ethernet to FDDI Bridge Media Interface Modules The FDCMIM connects to...

Страница 9: ...g stand alone FDDI concentrator Since FDCMIMs connect through the MMAC backplane through an isolated FDDI bus you can link several modules and their subsequent stations together without the need for a...

Страница 10: ...fore calling please have the following information ready The product type e g FDCMIM 24 or FDCMIM 38 The product serial number Note Locate the serial number on the FDCMIM front panel You can contact C...

Страница 11: ...slot numbers increment from bottom to top MMAC 5FNB MMAC 8FNB and MMAC M8FNB slot numbers increment from right to left Slot 1 the farthest slot to the right or to the bottom in every MMAC is a narrow...

Страница 12: ...t of a single power supply This means that the hub does not have redundant power the ability of one power supply to assume the entire load if one supply fails Figure 2 2 FDCMIMs in an MMAC 5FNB Figure...

Страница 13: ...me MMAC hub comprise a stand alone FDDI single ring concentrator This section describes four FDCMIM stand alone configurations FDCMIMs exclusively using shunting and non shunting MMAC hubs IRM3 Ethern...

Страница 14: ...nting MMAC you have two stand alone networks i e FDCMIMs in slots 2 3 and 4 would constitute one network and FDCMIMs in slots 6 and 7 would constitute the other Slot 5 the empty slot breaks the contin...

Страница 15: ...have no affect on each other 2 3 3 EMME and RMIMs with FDCMIMs The EMME a narrow i e slot 1 Ethernet management module works with the repeater interface controller family of MIMs RMIM TPRMIM CXRMIM a...

Страница 16: ...04 SN LNK PST LNK PST LNK PST LNK PST 1 2 3 4 PWR FNB FAIL POWER OK SN MMAC 5PSM OFF ON IRM3 SN ETHERNET RESET PWR MGMT CLN C O N S O L E R X T X M O D E M ON OFF BOK RCV POK 10BASE T ETHERNET 1 X 2 X...

Страница 17: ...hernet MIM it activates the relays that terminate the Ethernet section of the B and C buses This isolates the FDCMIMs from the rest of the MIMs in the hub This example uses the TPRMIM but the same is...

Страница 18: ...ur between the two devices i e within the cable Figure 2 6 RJ 45 TP PMD Port Pinouts FAIL POWER OK SN MMAC 5PSM OFF ON FDDI FDCMIM 04 SN LNK PST LNK PST LNK PST LNK PST 1 2 3 4 PWR FNB FDDI FDCMIM 04...

Страница 19: ...ber that MMACs with multiple power supplies have an On Off switch for each supply 2 Remove the FDCMIM from its protective cover Always leave the FDCMIM inside the protective cover when it is not insta...

Страница 20: ...t your network 7 Return power to the MMAC Your FDCMIM installation is now complete and you can make connections to your network Figure 2 7 Installing the FDCMIM into an MMAC FAIL POWER OK SN MMAC 5PSM...

Страница 21: ...the MMAC If the MMAC power is ON but the FDCMIM PWR LED is OFF remove the FDCMIM from the MMAC and check for bent or broken pins on the FNB backplane connectors If you find any damaged connectors do n...

Страница 22: ...an FDMMIM in conjunction with the FDCMIM to have management available If you do not have an FDMMIM in the hub and the PST LED is amber the attached station has initiated a trace With no management ava...

Страница 23: ...xists between the FDCMIM and the node at the other end of the port cable segment To ensure you maintain the link the port generates an idle signal when not transmitting data When OFF this LED indicate...

Страница 24: ...s have the following characteristics Multimode Transmitter Optical wavelength 1330 nm typical Optical output 20 0 dBm minimum 14 0 dBm maximum Optical rise time 3 5 nsec maximum Optical fall time 3 5...

Страница 25: ...ical 350 sec maximum Hysteresis 1 5 dB Unshielded Twisted Pair Transmitter Amplitude 1 080 Vpk maximum 0 920 Vpk minimum Rise time 2 nsec minimum 4 nsec maximum Fall time 2 nsec minimum 4 nsec maximum...

Страница 26: ...Overshoot 5 maximum Droop 14 symbols 3 maximum Shielded Twisted Pair Receiver Signal Detect Assert Time 10 sec typical 100 sec maximum Deassert time 10 sec typical 350 sec maximum Single Mode Transmit...

Страница 27: ...cal rise time 5 nsec maximum Optical fall time 5 nsec maximum Supply current 115 mAmps maximum Single Mode Receiver Signal Detect Assert power 33 0 dBm typical 31 0 dBm maximum Assert time 10 sec typi...

Страница 28: ...ladding diameter 128 0 m maximum 122 0 m minimum Cable attenuation 2 5 dB km typical Unshielded Shielded Twisted Pair Cable Connector Category 5 Single Mode Fiber Core diameter 8 7 m 0 5 m Cladding di...

Страница 29: ...40 km 24 miles maximum 25 km 15 miles typical Power Requirements The high bandwidth of FDDI means that FDDI MIMs consume more power than Ethernet or Token Ring MIMs Power requirements vary from one F...

Страница 30: ...nsider the maximum potential heat output of the MMAC power supplies rather than the heat output of the individual MIMs within the hub This approach ensures a more reliable heat output total to use in...

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