User manual

Chapter 1. Introduction
4 Version 1.2 Apr 2006
1.3 Technical Specifications
E1 Link
Framing Unframed (transparent*)
Bit Rate 2.048 Mb/s
Line Code AMI
HDB3
Line Impedance Unbalanced 75 ohms (BNC)
Balanced 120 ohms (RJ-45)
Receiver sensitivity +3 to -12dB (short haul)
"Pulse" Amplitude Nominal 2.37V+/-10% for 75 ohms
Nominal 3.00V+/-10% for 120 ohms
"Zero" Amplitude +/-0.3V
Transmit Frequency Tracking
Internal Timing
(w/external clock card option)
+/-30 ppm
Jitter Performance According to ITU-T G.823
Performance monitoring According to ITU-T G.821
Complies With ITU-T G.703, G.704, G.706 and G.732
Interface Connectors RJ-45 (wire wrap connector also available)
BNC
Test Loops LLB (Local Loop Back)
NELB (Near End Loop Back)
RLB (Remote Loop Back)
RRLB (Request Remote Loop Back)
* Transparent to framing (ITU-T G.704); transparent to ISDN PRI (30B+1D) E1 transmissions
T1 Link
Framing Unframed (transparent)
Bit Rate 1.544 Mb/s
Line Code AMI
B8ZS
Line Impedance Balanced 100 ohms (RJ-45)
Receiver sensitivity +3 to -12dB (short haul)
"Pulse" Amplitude Nominal 3.00V+/-10% for 100 ohms
"Zero" Amplitude +/-0.3V
Transmit Frequency Tracking
Internal Timing
(w/external clock card option)
+/-30 ppm
Jitter Performance According to ITU-T G.824
Performance monitoring According to ITU-T G.821
Complies With ITU-T G.703, G.704, G.706 and G.733
Interface Connectors RJ-45 (wire wrap connector also available)
Test Loops LLB (Local Loop Back)
NELB (Near End Loop Back)
RLB (Remote Loop Back)
RRLB (Request Remote Loop Back)
Optical Interface
Bit Rate 51.84Mbps
Line code Scrambled NRZ
Protection 1+1 redundant, hot swappable modules
Switch over time <50ms