Installation guide

A-8

Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases

OL-1165-06

Appendix A System Specifications

E3 Interface on BC-UAI-6E3 or BC-UAI-3E3

These specifications apply to the UXM-E’s six and three-port E3 back cards.

Line rate: 34.468 Mbps ± 20 ppm, asynchronous

Line code: HDB3

Clock source mode: Internal (asynchronous)

Signal level: ITU-T G.703

Framing formats: ITU-T G.804, G.832

Alarms processed: AIS

LOS

Remote alarm indication

Loss of framing

Line errors counted: BPV

Parity bit errors

Receiver input impedance: Terminated=75 ohms

Transmission modes: Point-to-point

Connector: SMB (adapter available for BNC)

Indicators: Red alarm

Yellow alarm

LOS

AIS

Idle code: Configurable

ATM mapping: HEC (G.804)

Standards: ITU-T G.804, G.823, G.832, ITU-T G.703

Payload scramble: On/Off

HCS masking: Yes/No

ATM cell rate per port: 80000 cps