Carrier Access SNMP manual 12.9.4 DS-1 Network Loopback, DS-1 Network Loopback Payload

12.9.4 DS-1 Network Loopback

Voice

Channels

DS-1 Network

V.35

Data

DS-1 Network Loop

Loops at DS-1 (at framer), have DS-1

Vendor check framing/errors

Commands: loop d1 network line

loop none

Figure 12-5: DS-1 Network Loopback

12.9.5 : DS-1 Network Loopback - Payload

Voice

Channels

DS-1 Network

V.35

Data

DS-1 Network Loop

Payload Only - Reframes T1

Loops at DS-1 (at framer), only loops 192 bits

and reframes the T1, corrects BPV &

recomputes CRC, have DS-1 Vendor check

framing/errors

Commands: loop d1 network payload

loop none

Figure 12-6: DS-1 Network Loopback - Payload

12-8 9/24/01