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
Summary of Contents for IMACS Network Device
Page 1: ...IMACS Product Book...
