Zhone IMACS-200 ユーザーズマニュアル
System Standards and Specifications
A-9
A.4.5
HSU Port Specifications
Number of
Data Ports
Physical Interfaces
Electrical Interfaces
2
2 female 25-pin DB25 D-connectors
ITU-T V.35
Data Speeds
N x 56k and N x 64k, where N = 1 to 24 (up to 1536 kbps) - Software Configurable by
DS0
DS0
Data Format
Synchronous
Data Protocol
Transparent
Transmit Clock per Port
Internal or External (software selectable)
Clock Polarity per Port
Normal or inverted (software selectable)
Data Polarity per Port
Normal or inverted (software selectable)
Diagnostics
RTS/CTS Delay: per
Port
Port
0, 30, 60 or 100 ms (software selectable by port)
RTS Handshake per
Port
Port
Permanent, local, ignore, local (software selectable by port)
BER Test per Port
Active or inactive
BER Test Patterns All Marks, All Spaces, 1:1, 1:7, QRSS, 511, 2047
BER Test Patterns All Marks, All Spaces, 1:1, 1:7, QRSS, 511, 2047
Local Loopback per
Port
Port
None, towards DTE, towards the network
Performance Statistics
Errored Seconds, Unavailable Second, Severely Errored Second, Burst Errored Second, Loss of
Packet Seconds, Loss of Frame Count
Packet Seconds, Loss of Frame Count
Standards Compatibility
ITU-T
V.35
V.11 (10/96)
V.28
Data Transmission of 48 kbps using 60-108 kHz Group Bank
Circuits.
Electrical characteristics for balanced double-current interchange
circuits operating at data signaling rates up to 10 Mbit/s.
Electrical characteristics for unbalanced double-current
interchange circuits.
Circuits.
Electrical characteristics for balanced double-current interchange
circuits operating at data signaling rates up to 10 Mbit/s.
Electrical characteristics for unbalanced double-current
interchange circuits.
EIA
Recommendations
RS-530
RS-530
High Speed 25 Position Interface for Data Terminal Equipment,
Including Alternative 25 Position Connector.
Including Alternative 25 Position Connector.