ERM-01

Specifications

Technical Specification

LED indicators

Data Connectors

PWR - Power
TD - Transmit Data
RD - Receive Data
RTS - Request to Start
DCD - Data Carrier Detect
Tx CLC Loss - Transmit Clock Loss
Red Alarm - E1 Link Signal loss
Sync Loss - E1 Sync Loss
Yellow Alarm - E1 Yellow Alarm
Err - Bit Errors
Test - Test Activated

Diagnostics

Digital Loopback
Analogue Loopback
Digital Remote Loopback
Test Pattern

X.21 - 15 way D-type
V.35 - 34 way MRAC
RS530 - 25 way D-type
RS449 - 37 pin D-type via adapter cable
10BaseT - RJ45

E1 2Mbps Link

Framing - Unframed / Framed, CCS or CAS, CRC4 on or off
Bit rate - 2.048Mbps
Line Code - Either HDB3 or AMI
Line Impedance - 75 Ohm BNC or 120 Ohm Twisted Pair
Jitter Performance - According to CCITT G.823
Compliance - CCITT G.703, G.704, G.706 and G.732

Dimensions

Height - 177.8mm (4U)
Width - 465.1mm (19")

Power

110 or 220V AC
or -48V DC option

Ordering Information

ERM-01: 4U 19" Chassis - 13 Slots No PSU
ERM-01-AC: AC Power Card 110 / 220 Switchable
ERM-01-DC: -48V DC Power Card
ERM-01-ET10: Fractional 2Mbps G.703 E1 Card with 10BaseT Bridge Interface
ERM-01-X21: Fractional 2Mbps G.703 E1 Card with X.21 Interface
ERM-01-V35: Fractional 2Mbps G.703 E1 Card with V.35 Interface
ERM-01-530: Fractional 2Mbps G.703 E1 Card with RS530 Interface
ERM-01-449: Fractional 2Mbps G.703 E1 Card with RS449 Interface
ERM-01-SNMP: SNMP Management Card for ERM-01