Maintenance Guide

Cobham Wireless
idDAS Installation and Maintenance Guide 00109GU Rev. 2.0
Page | 137
MTDI Specifications 7.2.2
RF PARAMETERS
Frequencies
See System Frequencies
Gain flatness
3 dB (p-p)
RF input power range
From APOI 0dBm composite power per band
GENERAL
Number of Digitization Modules
4 band-specific modules
Max number of sectors per
Digitization Module
4 sectors per module (via 2* A
-POI band module in combined mode)
RF Ports per module
4 QMA Connector Female
Two simplex Tx/Rx connections.
CPRI ports
2 CPRI ports for connection to MSDH and MTDI cascading:
x L1- MM connector
x
L2 –SM connector
Management
2 Ethernet ports:
x APOI – A-POI control connection
x
LAN – idDAS Web Management (local or remote)
x
Console – USB port for local connection
Power feeding
x 100/240 VAC 50/60 Hz or 48V DC
x 12V DC (bespoke)
Power consumption
For MTDI rack with 4-band modules:
x
100/240VAC or 48 V DC =140 W
x 12V DC = 120W
Operating temperature
-5 to +50°C
MECHANICAL
Dimensions (w x h x d)
17.5” x 1.75” x 13.5” (445x45x342 mm)*, 1U 19” rack
Weight
VAC and 48 V DC: 11.0 lbs (5.0 Kg)
12
V DC models: 9.0 lbs (4.1 Kg)
Ingress Protection
IP 20 , indoor unit
CPRI INTERFACE MEDIA
TYPES
DISTANCE
SUPPORTED BANDWIDTH
Single mode fibre
1310, 1550 nm
Up to 80 km
Up to 220 MHz
Multi mode fibre
850 nm
Up to 300 m
Up to 220 MHz