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Data Cards 16-23
LDSRU-10P Card SRU Card Specifications
16.8 SRU Card Specifications
SRU Card (Models 822060 and 822160)
Number of Ports 10
Physical Interface female 8-pin RJ-48
Electrical Interface RS232C, ITU-T V.28
Operational Interface DCE - Full Duplex
Interface Settings Asynchronous, Synchronous, V.14
Sub-rate Framing Format X.50, V.14, DS0-A, DS0-B with 5, 10, or 20 divisions per DS0
Sub-rate Time slot Number 1 through 20 depending on Sub-rate Framing Format
Synchronous Data
Format Transparent
Transmit Clocking Software selectable per port; internal or external
Speeds 2.4, 4.8, 9.6, 14.4, 19.2, 28.8 and 38.4 kbps
Asynchronous Data
Format V.14 or proprietary
Stop Bits Software selectable per port; 1 or 2
Data Bits Software selectable per port; 5, 6, 7 or 8
Parity Software selectable per port; none, odd, even, space or mark
Speeds .3, 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 28.8 and 38.4 kbps
Signaling
DSR Tied to DTR
CTS Software selectable per port; on, off (tied to RTS)
CTS delay Software selectable per port; immediate, 30, 60 or 100 ms
RLSD Software selectable per port; permanently on, follows remote RTS (drop on receipt
of IDLE or CGA RED)
Diagnostics & Alarms
BERT Integral
Direction Toward DTE or toward Network
Data Patterns Off, mark, space, 1:1, 1:7, 511, 2047 zeros
Loopbacks
Local Toward DTE or toward Network
Remote - Generation Inband, latching, DDS format at CSU, DSU or OCU-DP
Remote - Detection Inband, latching and non-latching DDS Format for OCU Loop, CSU Loop and
DSU Loop. Optional automatic ten (10) minute timeout
Error Correction
Majority Vote Error Correction Available for DS0-A ports operating at 9.6 Kbps or less, triggers EER ALARM
when specified threshold is exceeded
Majority Vote Error Thresholds None, 10e-3, 10e-4, 104-5, 10e-6 or 10e-7