Sru card sru card specifications – Zhone Technologies 900 User Manual
Page 87

Data Cards
IMACS System Release 5.1.6
2-21
SRU Card
SRU Card Specifications
Majority Vote Error Correction
Available for DS0-A ports operating at 9.6 Kbps or less, triggers EER ALARM
when specified threshold is exceeded
Majority Vote Error Thresholds
None, 10e-3, 10e-4, 104-5, 10e-6 or 10e-7
Standards Compatibility
Bellcore
GR-63-CORE Issue 1
Network Equipment-Building System (NEBS)
Requirements: Physical Protection
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 asynch to synch converters)
EIA
RS 232
Interface Between DTE and DCE Employing Serial Binary
Data Interchange
UL
1950
UL Standard for Safety of Information Technology
Equipment
CEN
EN 500 081-1
Electromagnetic compatibility generic emission standard Part
1 Residential, commercial and light industry
EN 500 082-1
Electromagnetic compatibility generic immunity standard
Part 1 Residential, commercial and light industry
EN 50 950/A2
Safety of information technology equipment including
electrical business equipment