ADCP-75-210 • Issue 1 • March 2007

Table 2. RAN Specifications

ITEM

SPECIFICATION

COMMENT

Power

 

 

 

 

 

AC power ingress

240 VAC, 20 Amps, single phase

 

 

 

 

Battery backup options

 

-48 volts

extended

120 minutes

@25 degrees C (degrees F)

glitch

5 minutes

for four bands

 

 

 

RAN box power use

2700 Watts Max.

 

 

16 Amps Max.

 

 

 

 

cPCI rack power

-48 VDC

 

 

 

 

Optical

 

 

 

 

 

Fiber cable ingress

Nylon connector accommodates

For larger cable sizes, refer to the

 

cable diameters in range 0.38-

note in Section 1.6.2 on Page 9.

 

0.50 inches (0.97-1.27 cm).

 

 

 

 

Fiber type

Corning SMF-28 or equivalent

 

 

 

 

Optical connectors

LC

Standard on SFP transceivers

 

 

 

Insertion loss

0.2 dB Typical, 0.4 dB Max.

 

 

 

 

Number of fibers required

1-4 fiber runs per RAN

 

 

 

 

Fiber configuration

Star (point to point) or ring

Ran ring limited to 3 SIFs

 

 

 

Fiber data link protocol

OC-48

 

 

 

 

Wavelengths per fiber

1 (1310 nm)

Without WDM/CWDM option

with WDM option

2 (1310/1550)

 

with CWDM option

8 (1470-1610)

20 nm increments (ITU-GRID)

 

 

 

Optical transceiver type

SFP

Dual LC connector

 

 

 

Optical Tx power

-3 dBm Max, -10 dBm Min.

Finistar FTRJ-1320-1

 

 

(or equivalent)

Optical Rx sensitivity

-22 dBm Typical, -18 dBm Max.

 

 

 

 

Optical link margin

2 dB

Estimated

 

 

 

Optical link loss

6 dB

Estimated

 

 

 

Optical Rx saturation level

-3 dBm

Min. Max. operational power

 

 

 

Optical Rx damage level

-3 dBm

Min. Max survivable power

 

 

 

Optical safety class

1

ANSI Z 136.2

 

 

 

RF

 

 

 

 

 

Tuning frequency

Receive Path

Transmit Path

PCS band

1850-1910 MHz

1930-1990 MHz

Cellular band

824-849 MHz

869-894 MHz

SMR 800 band

806-824 MHz

851-869 MHz

SMR 900 band

896-901 MHz

935-940 MHz

 

 

 

Instantaneous bandwidth

15 MHz

 

 

 

 

Receiver noise figure

 

Measured at Hub output connec-

PCS band

6 dB

tor (BIM, RxP) without BTS at 10

Cellular band

5 dB

dB gain and a single RAN

 

 

 

Page 7

© 2007, ADC Telecommunications, Inc.