Larscom TerraUno T1/E1 DSU A89-1000A-001 Digital Access Wan Maker.

Product was received in damaged and opened OEM packaging.

Interface Specifications:
Full and fractional T1 and E1 Rate
1.544 Mbps ±32 ppm (T1) or 2.048 Mbps ±50 ppm (E1) Framing
T1: D4 or ESF per AT&T 62411; CSU functionality; E1: per G.703 and G.704, with or without CRC-4; E1 unframed (TerraUno only) Line Coding
T1: AMI, AMI with bit 7 stuffing, or B8ZS; E1: HDB3 Connector
RJ48 (BNC with 75 ohm cable adapter) Impedance
T1: 100 ohms balanced; E1: 120 ohms balanced / 75 ohms unbalanced with adapter Clocking
Network, DTE (TerraUno only), internal Data Ports
EIA530 configurable to V.35, X.21, RS422/449 Interface Type
EIA 530; DB25S connector Data Rates
Nx56 kbps or Nx64 kbps (N = 1 to 24 for T1, or 1 to 31 for E1) Management Ports
10Base-T Ethernet port (RJ48) for Telnet, SMTP, TFTP, SNMP (TerraBoss only); RS232 port (DE9P) for Terminal Interface
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