Datacom DM991C Manuál stáhnout pdf (Strana 28)

Product Manual - DM991 Series V Family - 204.4092.08 28

• Link Speed – it is possible operation velocity on the interface at 100Mbits/s or 10Mbits/s;

• Flow control - allows enabling flow control on the interface. Should it be operating on Full

Duplex mode, pause frames will be used. Should it be on Half Duplex mode, back

pressure mode will be used;

• On pause frames - when there is LAN clogging, the equipment will send pause frames to

the link partner, so that it will wait for a determined time until sending the next data

package;

• On back pressure - when there is LAN clogging, the equipment generates net collisions to

limit traffic.

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DM991CE 1
DM991SE 1
WARRANTY 2
CONTACTS 3
CONVENTIONS 4
FIGURE INDEX 8
TABLE INDEX 9
1. GENERAL RECOMMENDATION 10
2. INTRODUCTION 11
IN - 6 LAN 12
2.2. DM991C/CE 2W/4W 13
IN- 6 LAN 14
3. G.SHDSL INTERFACE 15
3.3. Training (Activation) 16
3.4. Data Mode 17
3.4.2. CRC Anomaly 18
3.4.4. SNR Margin Defect 19
3.4.5. LOSW Defect 19
3.4.6. LOSW Failure 19
3.5.1. Terminal Type 19
3.5.2. Frame Mode 19
3.6. Performance 20
3.8. Electrical Protection 21
5. G.703 - G.704 INTERFACE 25
5.2. DM991C/CE 26
6. ETHERNET INTERFACE 27
7. STRAPS 29
7.2. DM991C/CE 30
8. DIP-SWITCHES 32
8.3. LDR Enabling (DIP A8) 34
8.6. CRC4 Enabling (DIP B3) 34
8.8. Terminal type (DIP B5) 35
8.9. Configuration (DIP B6) 35
8.11. Four wire operation 35
8.12. DIPs Summary 36
9. OPERATION DESCRIPTION 37
9.2.2. Plesiochronous Mode 38
9.2.3. Synchronous Mode 39
9.3.1. Clock Source 39
9.3.2. External (CT113) 39
9.3.3. CT104 sinc. CT113 40
9.4. Converter Mode 41
10. TERMINAL MANAGEMENT 42
10.1. Equipment Information 43
10.2. Password Configuration 44
10.3. Language Configuration 44
10.5. Configuration Menu 46
10.6. Test Menu 52
10.7. Status Menu 55
10.8. Performance Menu 59
11. REMOTE MANAGEMENT 61
12. TESTS 62
12.2. E1 Interface Tests 63
12.3.1. LDL Test 64
13. CONVERTER MODE TESTS 65
14. FIRMWARE DOWNLOAD 67
15.1. Installation 68
15.2. Operation 68
15.3. Accessory 69
16. G.703 - G.704 70
16.1.1. CRC4 Multiframe 71
17. PANEL LEDS 75
18.1. DM991S/SE 78
18.2. DM991C/CE 78
19.2. Power 81
19.3. Power Input 81
19.3.2. DM991C/CE 82
19.4. Dimensions 83
19.5. Weight 83
20. APPLICABLE STANDARDS 84
Phone: +55 51 3358-0100 89
Support: +55 51 3358-0122 89
Fax: +55 51 3358-0101 89

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