CL-MC-XE1-IP-Y Series (1/2/4 E1) User Manual- 4 -a. Data Rate: 2.048 Mbit/s 50 ppmb. Line Code: Bipolar with HDB3c. Test Load Impedance: 120 ohms± 5% resistive, balanced.d. LED indications for E1: ACT, ALMe. Connector Type: RJ48c(4) Power Supplya. AC: 85~264V, 47~63Hz or(Optional) DC: -36 ~ -72 Vb. (Optional) +5VDC Power Jack : external power adapter with +5VDC 110/220 VACc. Maximum Power Consumption: < 15 watts(5) Operating Environmenta. Ambient temperature: 0 ~ 40 ℃ for indoor application(Optional): 0 ~ 55 ℃b. Storage temperature: 0 ~ 85 ℃c. Relative humidity: 5 ~ 95% non condensing1-6 Order InformationFeature Options:[ Downlink Interface ] □ 1x E1 □ 2x E1 □ 4x E1[ Management ] □Craft terminal □ Craft terminal + SNMP-based MIB management[ Power ] □ 1x AC □ 1x DC □ +5VDC power jack input port □ 1x AC + 1x DC□ +5VDC power jack input port + 1x AC □ +5VDC power jack input port + 1x DCwww.carelink.com