Installation guide

A-9

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

OL-1165-06

Appendix A System Specifications

T1 Interface on BC-UAI-8T1 or BC-UAI-4T1

These specifications apply to each port of the UXM-E’s eight and four-port T1 back cards.

Line rate: 1.544 Mbps ± 32 ppm, asynchronous

Line code: B8ZS

Clock source mode: Internal (asynchronous)

Framing formats: Extended superframe (ESF)

Alarms processed: AIS

LOS

Remote alarm indication

Loss of framing

Line errors counted: BPV

Parity bit errors

Receiver input impedance: Terminated=100 ohms

Transmission modes: Point-to-point

Connector: DB-15

Line lengths: 0–655 ft

Indicators: Red alarm

Yellow alarm

LOS

AIS

Idle code: Hex 6A

ATM mapping: HEC

Standards: ANSI T1.102, ANSI T1.404, T1.231, T403

ITU-T G.824

Payload scramble: On/Off

HCS masking: Yes/No

ATM cell rate per port: 3622 cps