Zhone Technologies IMACS-200 - Manual (Page 260)

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)
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
ITU-T V.28 Electrical characteristics for unbalanced double-current
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)
V.14 Transmission of Start-Stop Characters over Synchronous
Bearer Channels (using async to sync converters)
EIA RS 232 Interface Between DTE and DCE Employing Serial Binary
Data Interchange