pmx opmux-16e1 pdh multiplexer combines 16 e1 links over a fiber optic link. a pair of opmux-16e1 offers simple and low-cost connectivity for 16 e1 channels t distance up to 50km. opmux-16e1 has found wide applications in carriers, paging stations, electricity, railway, oil-fields and banks, as point-to-point applications and central-site to multipoint application. its compact 1-u high enclosure facilitates easy installation and maintenance. features:  multiplexes 16 e1 channels over a single fiber optic link  range up to 50km  one pcm voice service channel, one management port for chx-pdh nms  conforms with itu g.703, g.742, g.823, g.829  comprehensive alarm and monitoring functions  compact 1u high enclosure specifications： e1 interface  baud rate: 2048kbps±50ppm  code: hdb3  impedance: 75Ω (unbalanced) or 120Ω (balanced)  framing: compliant with itu-t g.703, g.704, g.732, g.823  jitter: compliant with itu-t g.823, g.736. g.742  connector: bnc (unbalanced), rj45 (balanced) fiber optic link  baud rate: 33.792mbps  fiber: single mode 1310nm or 1550nm  output power: ≥ -15dbm  receive sensitivity: ≤ -36dbm  connector: sc, fc others  voice service channel: 2-wire fxs pcm, rj11 connector  console port: rs232, 57600bps async physical specifications  operating environment:  temperature: 50c ~ 500c  humidity: 5% – 95%, non-condensing  power supply: -48vdc (±20%), 220vac (±20%)  power: ≤ 10w  dimension: 482 x 210 x 44 (mm)