V.35 (CT-212) Data rate : N x 64 Kbps, N=1~36 Connector : M34 female E1 (CT-213) E1 interface : ITU-T G.703 E1 frame : Framed (fractional mode) or Unframed (transparent mode) E1 line type : both 120Ω symmetrical and 75Ω coaxial E1 connector both RJ-48C and BNC are provided T1 (CT-213T) T1 interface : ITU-T G.703 T1 line code : AMI or B8ZS T1 frame : SF or ESF (transparent mode) T1 connector : RJ-48C Timing Loop, Internal, DTE Loopback function DSL, E1, T1 Loopback types Local Loopback, Remote Loopback, V.54 Loopback Built-in test patterns 511, 2047, PRBS (215 -1) Local interface RS-232/DB-9 for VT-100 Telnet access 10/100 BaseT Ethernet port SNMP management 10/100 BaseT Ethernet port, Ethernet SNMP agent Remote management Through EOC Dimension 242 mm (W) x 60 mm (H) x 167 mm (D)