- Paradyne Network Device Product Manual
Zhone Technologies, Inc. IMACS Product Book, Version 4
March 2001 Page 56
Table 17 depicts the OCU-DP card’s specifications. For further information regarding Performance Monitoring and
Diagnostic Capabilities, see Chapter 13, IMACS System Testing and Diagnostics.
Table 17—OCU-DP Specifications
Model Number Number of Ports Physical Interfaces
Model 8249 2 Female 8-pin RJ-48
Model 824160 5 Female 8-pin RJ-48
Model 824660 10 Female 8-pin RJ-48
Data Format Synchronous—binary, serial
Data Encoding Bipolar, return to 0, AMI
Line Interface 4-wire
Speeds 2.4; 4.8; 9.6; 14.4; 19.2, 56 and 64 Kbps
Sub-rate Framing Formatting DS0-A, DS0-B with 5, 10 or 20 divisions per DS0
Error Correction Majority vote for speeds 9.6kbps or less; BCH for 19.2, 456 and 64kbps (8249
model only)
Secondary port As described in AT&T 62310, 62411 Addendum and TA (pass through only) TSY
000077 and TA TSY000083, a separate lower speed data circuit, which may be
used for testing and maintenance. Modes are on or off.
Distances
Supported
Primary Secondary Line Loss Limit 19 Ga. 22 Ga. 24 Ga. 26 Ga.
Rate Rate Rate dB (KF) (KF) (KF) (KF)
2400 --- 2400 34 133.0 90.7 71.5 56.8
2400 133 3200 34 114.3 79.1 61.9 48.7
4800 --- 4800 34 97.6 65.8 51.1 40.2
4800 267 6400 34 86.3 57.5 44.8 35.1
9600 --- 9600 34 74.2 48.3 37.1 28.4
9600 533 12800 34 67.5 42.9 32.8 25.2
19200 --- 19200 34 60.0 36.9 27.6 21.0
19200 1067 25600 34 57.0 33.9 25.1 19.9
56000 --- 56000 43 60.7 35.0 24.5 17.6
56000 2667 72000 43 57.6 33.3 23.1 16.5
64000 --- 72000 43 57.6 33.3 23.1 16.5
Primary Port Rate Secondary Port Rate
56 kbps 2,666 bps
19.2 kbps 1,066 bps
9.6 kbps 533 bps
4.8 kbps 266 bps
2.4 kbps 133 bps
Operational Modes Software configurable per line ocu or csu
Standards Compliance
AT&T TR62411 Accunet T1.5 Service Description
TA-TSY-000077 Digital Channel Banks- Requirements for Data port Channel Unit Functions, Issue
3, April 1986
TA-TSY-000083 Generic Requirements for the Digital Data System (DDS) Network Office Channel
Unit, Issue 2, April 1986
BellCore Pub 62310 DSO Digital Local Channel Description Interface Specification (August 1993)
CCITT T1.107-1988 Digital Hierarchy- Format Specifications 1988
ANSI T1.107b-1990 Digital Hierarchy- Supplement to Format Specifications (Synchronous Digital Data
Format), June 1991