Patton electronic 2800 user manual Ethernet interfaces, Sync serial interface, PPP support

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)

•T1: RJ-48C connector (receptacle)

•E1: RJ-48C connector (receptacle) and dual BNC coaxial connectors (receptacles)

•Line Rate

-1.544 Mbps (T1) in accordance with ANSI T1.403

-2.048 Mbps (E1) in accordance with ITU-T G.703

•Line Coding

-T1 AMI or B8ZS (default), selectable

-E1 AMI or HDB3 (default), selectable

•Clocking is software selectable as Internal or Network Timing source (default)

•T1 Line Build-out

-Transmit: Selectable for 0, -7.5, -15, -22.5 dB

-Receive: Automatic

•Line Framing

-T1 ESF (default) and unframed

-E1 CRC (default), non-CRC-4, and unframed

•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

Ethernet interfaces 121