Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL Electronics Inc.
April 2005
IMUX 2000 T1/E1 MDACS
5
T1 INTERFACE
Interface:
DSX-1 interface per ANSI T1.102-1993
Rate:
1.544 Mbps per ANSI T1.102-1993
(Transmit ± 30 PPM using internal timing)
Transmit Pulse Shape:
Per ANSI T1.102-1993
Formats:
Extended Superframe (ESF) per AT&T 62411, D4/
Superframe (SF) per AT&T 43801
Line Codes:
Bipolar with 8 Zero Substitution (B8ZS) & Alternate
Mark Inversion (AMI)
Output Impedance:
100 Ohms nominal per ANSI-T1.102-1993
Reframe Time:
Less than 25 milliseconds.
TIMING
Primary Timing:
Internal, External, Loop
Secondary Timing:
Internal, External, Loop
(Automatically enabled in case of primary timing failure.)
Timing Input/Output:
T1: 1.544 Mbps, (RJ11 connector)
E1: 2.048 Mbps, G.703 (RJ11 connector)
ENVIRONMENTAL
Temperature:
-20°C to +65°C operating
SWC & Fast Transient:
Power supply, alarm contacts, pilot wire interface &
transfer trip interface meet the requirements of ANSI
C.37.90-1989 & ANSI C.37.90.1. EIC 1000-4-2:1995,
IEC 1000-4-3:1997, IEC 1000-4-4:1995, IEC 1000-4-
6:1996, IEC 1000-4-8:1994, DD ENV 50204:1996.
EMI:
The chassis & modules meet ANSI C.37.90.2.
Humidity:
0-95% Non-condensing
Shock & Vibration:
The chassis and channel modules shall meet require-
ments of IEC 255-21-2 and IEC 255-21-1.
Technical Specifications
Specifications subject to change without notice.
E1 INTERFACE
Interface:
Conforms to ITU G.703
Rate:
2.048 Mbps ± 50 PPM input and output
Jitter Tolerance:
Exceeds ITU G.823
Attenuation:
Greater than 18 dB at 40Hz
Formats:
Frame format per ITU G.704 in 30-channel and 31-
channel modes.
Line Codes:
HDB3 (High Density Bipolar, Order 3 per ITU G.703,
or AMI (Alternate Mark Inversion)
Connection:
75/100 ohm BNC connector or RJ-48 connector
for twisted pair.
Frame Synchronization:
Average reframe time non-signaling DS0’s: 0.6 ms
Multi-frame based signals (Signaling): 5ms
DIGITAL ACCESS CROSS-CONNECT SWITCH
Propagation Delay (DS1/E1 through Delay):
DACS: 1 to 3 frames average (250 msec) for each pass
through.
Switch Time:
DACS DS0/T1, DS0/E1 Alternate Maps: Program-
mable down to 1ms.
Test and Diagnostics:
Loopbacks: Remote, Local and Analog DS0 & Ds1/E1
Test pattern: PRBS pattern generation/detection.
16-bit loop-up and loop-down code generation and
detection.
PHYSICAL
Dimensions:
Height: 5.25” (144 mm)
Width: 19” (483 mm per EIA RS-310)
Depth: 14.50” (370 mm)
Available in 23" width mounting.
Weight:
15 lbs (6.8 kg). for typical fully loaded shelf.
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