 E3 Network Interface
Line Rate E3 (34.368 Mbps)
Framing ITU-T G.751
Line Coding
HDB3
Input Signal
ITU-T G.703
Output Signal
ITU-T G.703
Electrical
75 ohm coax Connector BNC or 1.6/ 5.6 DIN (via adapter)
Timing Sources
Looped or internal clock
T3 Network Interface
Line Rate
DS3 (44.736 Mbps)
Framing
M13/C-bit parity (selectable)
Input Signal
+6.2 dBm to -11.7 dBm
Output Signal
DSX-3 or DS-3 high (selectable)
Impedance 75 ohm coax
Connector BNC socket
Timing Sources
Looped or internal clock
Monitoring Monitoring jacks with 20 dB attenuation
Standards T1.102, T1.404, TR-TRS-000499
Data Port selectable
HSSI
Data Rate (E3)
34 Mbps: or 1 to 24 Mbps in .5M increments
Data Rate (T3)
44 Mbps: or 1 to 35 Mbps in .5M increments
Electrical HSSI (10k series ECL, VEE + -5VDC)
Physical 50 pin SCSI-2 socket
V.35/EIA-530 selectable
Data Rate 1 to 8 Mbps in .5M increments
Electrical V.35 or RS422/423 (V.11)
Physical DB25 socket
Management
Options ASCII Terminal
SNMP
Modem
Other NMS
Configuration
Non-volatile RAM
Control Ports
DCE
DTE
Electrical EIA-232D (V.24)
Mechanical
EIA 561 (8 pin modular)
Data Rates 1.2, 2.4, 4.8, 9.6 kbps asynchronous
Performance Monitoring
Error Counts
Last 24 hours in 15 minute increments
Error Events
Event errors
Errored seconds
Bursty seconds
Severely errored seconds
Unavailable seconds
% available seconds
% error free seconds
Alarm Status
Loss of Signal (LOS)
Out of Frame (OOF)
Alarm Indication (AIS)
Yellow Alarm (YEL)
Test/active
Alarms
Alarm Reports
Local/remote message
Auto alarm dial out
Alarm history
Messages Info
Time and date stamp
Set or clear stamp
Alarm type
Unit address
Unit ID (user defined)
Alarm Types
Loss of Signal (LOS)
Out of Frame (OOF)
Alarm Indication (AIS)
Excessive error rate
Equipment failure
Alarms cleared
Alarm Relay
Normally open, normally closed, and common
Diagnostics
Loopbacks
Line, local, payload, compatible with T1.107 and T1.107a
Regulatory
Safety NRTL listed to UL 1459
CSA 22.2 No. 950 with 0.7
EN 60950*
EMI/EMC FCC Part 15
EN 55022*
EN 50082-1*
* International version only
Environmental
Operating 0° C to 50° C
Shipping -20° C to 70° C
Rel. Humidity
5% to 95%, non-condensing
Power
AC Option 85 to 265 VAC (47 to 63 Hz)
24W nom, 30W max
DC Option 36 to 75 VDC
22W nom, 25W max
screw terminals
Physical
Dimensions
1.70" H, 16.75" W, 11.50" D
4.3 cm, 42.5 cm, 29.2 cm
Mounting 19" or 23" rack mount or desktop
Weight 12 lbs; 5.4 kg
Ordering Guide
Description Model No.
DataSMART T3/E3 IDSU, AC 15951
DataSMART T3/E3 IDSU, DC 15952
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