User's Manual

zNID 27xx models
zNID 27xx Series Hardware Installation Guide
25
Customer facing
interfaces (Depends on
model)
• Gig E interfaces (RJ45 - 10/100/1000Base-T Ethernet)
– Auto-MDI-X crossover control
– Auto-Speed or manual selection
• FXS POTS interfaces (RJ11)
– 5 REN per line
– Battery voltage: -48VDC
– Max loop current: 40mA
– Ringing voltage: 48Vrms @ 20/25 Hz
• WiFi - 802.11b/g/n
– 2.4 GHz band
Maximum 2.4 GHz Tx power (100mW–EU models,
600mW–US models)
– 2x2 MIMO (2726, 2727) 3x3 MIMO (2728)
– Channel width: 20 MHz, 40 MHz
– Max WiFi Connect (Phy) Rates: 54Mbps (g); 300Mbps (n) for
2727/2726, 450Mbps(n) for 2728
• WiFi - 802.11ac
– 5 GHz band
Maximum 5.8 GHz Tx power (400mW–all models)
– 3x3 MIMO (2726, 2727) 4x4 MIMO (2728)
– Channel width: 20 MHz, 40 MHz, 80 MHz
– Max WiFi Connect (Phy) Rate: 1.3 Gbps for 2727/2726, 1.7 Gbps for
2728
• RF Video Output Port (F-Type coaxial connector)
– RF output impedance: 75 ohms
– RF passband: 47 to 1000 MHz
– RF output level: 17 dBmv minimum (550 MHz, 3.5% OMI per channel)
• RF Video Rx
– 1550nm optics
– Usable input power range: -8 dBm to +2 dBm
– Input power overload: +2 dBm
– Input damage level: +5 dBm
• USB
– USB 2.0 port
– 3G dongle support for uplink fallback
Table 2: zNID 27xx specifications (Continued)
Specifications Values