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Ethernet interfaces
121
OnSite 2800 Series User Manual
B • Specifications
Ethernet interfaces
10/100Base-TX Ethernet WAN port
4-port 10/100Base-TX Ethernet LAN switch (Model 2805)
10/100Base-TX Ethernet LAN port (all other models)
All ports full duplex, autosensing, auto-MDIX 10/100 Full Duplex/Autosensing Ethernet RJ-45
Sync serial interface
ITU-T X.21 or V.35 interface
Female DB-15 and DB-25 connectors (receptacles)
DTE orientation. (DCE orientation for X.21 is available from the Patton factory upon special request).
T1/E1 interface (Model 2803 only)
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T1: RJ-48C connector (receptacle)
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E1: RJ-48C connector (receptacle) and dual BNC coaxial connectors (receptacles)
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Line Rate
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1.544 Mbps (T1) in accordance with ANSI T1.403
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2.048 Mbps (E1) in accordance with ITU-T G.703
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Line Coding
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T1 AMI or B8ZS (default), selectable
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E1 AMI or HDB3 (default), selectable
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Clocking is software selectable as Internal or Network Timing source (default)
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T1 Line Build-out
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Transmit: Selectable for 0, -7.5, -15, -22.5 dB
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Receive: Automatic
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Line Framing
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T1 ESF (default) and unframed
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E1 CRC (default), non-CRC-4, and unframed
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Isolation 1,500 Vrms
PPP support
X.21 or V.35 WAN
Frame-Relay (8 PVCs)
RFC1490, FRF.12 fragmentation
LMI, Q.933D, ANSI 617D, Gang of Four
Содержание OnSite 2800 Series
Страница 112: ...112 Chapter 9 LEDs status and monitoring Chapter contents Status LEDs 113...
Страница 124: ...124 Appendix C Cabling Chapter contents Introduction 125 Serial console 125 Ethernet 10Base T and 100Base T 126...
Страница 132: ...132 Appendix E OnSite 2800 Series factory configuration Chapter contents Introduction 133...
Страница 134: ...134 Appendix F Installation checklist Chapter contents Introduction 135...