Juniper Networks M120 Network Router User Manual


 
E1 PICs
Left: E1 RJ-48 PIC; Right: E1 Coaxial PIC
JUNOS 8.0R2 and later (Type 1)
NOTE: These PICs are not supported in JUNOS Release 8.1R1.
Software release
Four E1 or coaxial ports
Power requirement: 0.08 A @ 48 V (3.74 W)
Two versions:
4-port, 120-ohm, RJ-48
4-port, 75-ohm, coaxial
Onboard DSU functionality for E1 connectivity
Description
High-performance throughput on each port at speeds up to 2.048 Mbps, full duplex
Maximum transmission units (MTUs) of up to 4500 bytes
Per-interface diagnostics and loopback control
Per-interface shaping on output
Per-interface alarm and event counting and detection
HDB3 line coding
4-bit CRC for G.704 framed mode
Per-port loop timing
Balanced and unbalanced modes
Packet buffering, Layer 2 parsing
Full bit error rate test (BERT)
Hardware features
50 E1 PICs
M120 Internet Router PIC Guide