Juniper CBA750B How To Set Up

1

How to Set Up Your CBA750B 3G/4G Wireless WAN Bridge

The CBA750B mobile broadband series adapters enable easy-to-install wireless
WAN connectivity in fixed business locations.

The CBA750B 3G/4G wireless WAN bridge appliance provides wireless
connectivity as either a backup or primary connection for branch SRX Series
Services Gateways.

g000711

Reserved

(future use)

Signal
strength

Power over
Ethernet

Router/
Passthrough
mode

WAN data

activity

LAN

Status

(USB/ExpressCard

modem)

Power

4G LTE

WIMAX

3G HSPA+

EVDO UMTS

2G 1XRTT

Edge GPRS

Failover

Left Side Panel

g000710

Computer or

local device LAN

Power
switch

Power

(12V) Reset

g000707

W

arranty and Registration

Inf

ormation

• End-User License Agreement

• Safety Guide

• Quick Start Guide

P

ower supply adapter

Ethernet cable

Mounting hardware

CBA750B

Right Side Panel

Package Contents

Router/Passthrough

switch

ExpressCard slot ExpressCard lock

USB

(3G/4G modem ports)

g000716

Front Panel

How to Set Up Your CBA750B 3G/4G Wireless WAN Bridge

2

CBA750B 3G/4G Wireless WAN Bridge LEDs

LED State

Power Solid: On

4G On: Primary connection is 4G

3G On: Primary connection is 3G

2G On: Primary connection is 2G

Failover On: Secondary WAN is in use

O: Primary WAN operating normally

LAN On: Connected

WAN data activity On: Data is actively being transferred

O: No data is being transferred

Status (USB/
ExpressCard modem)

Green: Connected
Blinking green: Connecting
Amber: Not active, might be engaged in failover
process
Blinking amber: Connection error
Blinking red:

Modem resetting

PoE On: CBA750B is in PoE mode

Router/Passthrough
modes

Green: Router mode
O: Passthrough mode

NOTE: This LED matches the switch setting
rather than the actual configuration (it is possible
to overrule the switch settings from the
administration pages).

Set Up Your CBA750B 3G/4G Wireless WAN Bridge

1. Connect a Juniper Networks business-grade or USB/ExpressCard wireless
broadband data modem with active subscription.

(Optional) To integrate a business-grade modem:

a. Purchase a data plan. Insert a SIM card if the model requires one.

b. Connect the modem to the CBA750B.

c. Insert the screws into the modem and insert antennas (finger-tight only).

2. Plug the power supply into an electrical outlet.

3. Connect the power supply to the CBA750B and switch the device on (I).

g000711

Reserved

(future use)

Signal
strength

Power over
Ethernet

Router/
Passthrough
mode

WAN data

activity

LAN

Status

(USB/ExpressCard

modem)

Power

4G LTE

WIMAX

3G HSPA+

EVDO UMTS

2G 1XRTT

Edge GPRS

Failover

g000708

b

c

a