Zhone IMACS-200 Benutzerhandbuch
A-8
System Standards and Specifications
Model No.
Running Head
A.4.4
SRU port Specifications
SRU Ports
Number of Ports
5
Physical Interface
female 8-pin RJ-48
Electrical Interface
RS232C, ITU-T V.28
Operational Interface
DCE - Full Duplex
Interface Settings
Asynchronous, Synchronous
Sub-rate Framing Format
DS0-A, DS0-B with 5 divisions per DS0
Sub-rate Time slot Number
1 through 5 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, 19.2, 28.8 and 38.4 kbps
Asynchronous Data
Format
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)
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
Standards Compatibility
AT&T
TR 54075
Subrate Data Multiplexing - A Service of DATAPHONE
Digital Service
Digital Service
ITU-T
V.28
Electrical characteristics for unbalanced double-current
interchange circuits
interchange circuits
X.50 Division 3
Fundamental Parameters of a Multiplexing Scheme for the
International Interface Between Synchronous Data Networks
(note: does not support 600 bps data)
International Interface Between Synchronous Data Networks
(note: does not support 600 bps data)
V.14
Transmission of Start-Stop Characters over Synchronous
Bearer Channels (using async to sync converters)
Bearer Channels (using async to sync converters)
EIA
RS 232
Interface Between DTE and DCE Employing Serial Binary
Data Interchange
Data Interchange