-3
Data Channel Support
Sync. Data Interfaces:
RS-232C/D, RS-449/422, V.24, X.21, and V.35
with IGX 8 as DCE or DTE.
High-Speed Data Rates
(HDM):
2.4 Kbps to 1.344 Mbps.
Low-Speed Data Rates:
2.4 to 19.2 Kbps per LDM port.
Ports per card:
LDI: 4 or 8.
SDI: 4.
Control Leads Supported:
SDI: Per interface standards.
SDI: Up to 7 in each direction for fast EIA.
LDI: 3 in each direction for DCE and DTE for each port.
Control Lead Sync
w/Data:
Control leads are sampled every 50 ms. and changes will normally
follow data within 100 to 1000 msec. Fast EIA lead will be within 1
byte.
DS0A Interface:
Superrate, 56 Kbps to 512 Kbps (8 DS0s) per port.
Subrate: One 2.4/4.8/9.6/19.2/ or 56 Kbps per DS0
Per Bell TR-TSY-000458, TR-TSY-000280, TR-TSY-000083, and
TR-TSY-000077.
Data Clocking:
Synchronous and isochronous clocking.
Normal, looped, and split clock configurations.
Pleisochronous
Clock Range:
±
2 percent of nominal data rate.
