Installation guide

A-10

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

OL-1165-06

Appendix A System Specifications

E1 Interface on BC-UAI-8E1 or BC-UAI-4E1

These specifications apply to the UXM-E’s eight and four-port E1 back cards.

Line rate: 2.054 Mbps ± 50 ppm, asynchronous

Line code: HDB3

Clock source mode: Internal (Asynchronous)

Framing formats: Multiframe, clear channel

Alarms processed: AIS

LOS

Remote alarm indication

Loss of framing

Line errors counted: BPV

Parity bit errors

Receiver input impedance: Terminated=75 ohms for BNC or 120 ohms for DB-15

Transmission modes: Point-to-point

Jitter: ± 50 ppm

Connector: BNC or DB-15

Indicators: Red alarm

Yellow alarm

LOS

AIS

Idle code: Hex 6A

ATM mapping: HEC

Standards: ITU-T G.703, G.704, G.706, G.732, G.735-9, G.775, G.823,

G.832, I.431

Payload scramble: On/Off

HCS masking: Yes/No

ATM cell rate per port: 4830 cps