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Zhone Technologies, Inc. IMACS Product Book, Version 4
March 2001 Page 104
Quiet Tone Yes Yes Yes Yes Yes
Digital MilliWatt Yes Yes Yes Yes Yes
Tone Direction
Toward User Yes Yes Yes Yes Yes
Toward Network Yes Yes Yes Yes Yes
• This feature is only supported in Cross-Connect Systems
Data Diagnostics
Data diagnostics support varies among data cards. Refer to Table 27 for detailed information on data card
diagnostics. Generally, data card diagnostics supported include the setting of various levels of loop backs toward
the network or the attached DTE equipment. Other support includes the ability to generate and respond to industry-
standard loop-up and loop-down codes that are compatible with DDS, V.54 and/or Fractional T1 (FT1) formats.
The DS0-DP data card generates and detects DS0-DP loop back codes.
Table 27—Diagnostic Capabilities of Data Ports
EIA530
HSU
2-port
V.35
HSU
2-port
EIA530/V.35
HSU
4-port
SRU OCU-DP
2/5/10-port
DS0-DP
4-port
LOOP BACKS
On-Card Loop backs
EIA530
HSU
2-port
V.35
HSU
2-port
EIA530/V.35
HSU
4-port
SRU OCU-DP
2/5/10-port
DS0-DP
4-port
Toward DTE Yes Yes Yes Yes Yes Yes
Toward Network Yes Yes Yes Yes Yes Yes
In-Band Loop back Code Generation
EIA530
HSU
2-port
V.35
HSU
2-port
EIA530/V.35
HSU
4-port
SRU OCU-DP
2/5/10-port
DS0-DP
4-port
Latching DDS-OCU Yes Yes Yes Yes Yes Yes
Latching DDS-DSU Yes Yes Yes Yes No Yes
Latching DDS-CSU Yes Yes Yes Yes Yes Yes
Latching DDS-DS0 Yes Yes Yes No Yes Yes
ITU (CCITT) V.54 Yes Yes Yes No No No
ANSI Fractional T1 (FT1) Yes Yes Yes No No No
Control Lead Handling
EIA530
HSU
2-port
V.35
HSU
2-port
EIA530/V.35
HSU
4-port
SRU OCU-DP
2/5/10-port
DS0-DP
4-port
Set CTS Yes Yes Yes Yes N/A N/A
Set RLSD Yes Yes Yes Yes N/A N/A
Set DSR Yes Yes Yes No N/A N/A
Monitor RTS Yes Yes Yes Yes N/A N/A
Monitor DTR Yes Yes Yes No N/A N/A