51

Product Specifications

The following specifications are subject to change without notice. See Chapter 2 on page 37 for a general overview of key features.

This table provides basic device specifications.

Table 228 Default Login Information

ATTRIBUTE

SPECIFICATION

Default IP Address

192.168.1.1

(P2, P3)

 

 

 

Default Subnet Mask

255.255.255.0 (24 bits)

(P2, P3)

 

 

 

Default Password

1234

 

 

This table provides hardware specifications.

Table 229 Hardware Specifications

FEATURE

SPECIFICATION

Ethernet Interfaces

Number of Ethernet interfaces: 4

 

 

Management interface

RS-232, DB9F connector

 

 

USB Slots

1, 2.0 plug and play

 

 

Compatible USB Cards

See www.zyxel.com for the supported 3G cards.

(3G)

 

 

 

Power Requirements

12V DC

 

 

Operating Environment

Temperature: 0 C to 40 C

 

Humidity: 20% to 95% (non-condensing)

 

 

Storage Environment

Temperature: -30 C to 60 C

 

Humidity: 20% to 95% (non-condensing)

 

 

MTBF

Mean Time Between Failures: 323,823 hours

 

 

Wall-mounting

The ZyWALL has wall-mounting holes on the bottom panel.

 

The centers of the holes are located 156 mm apart.

 

 

It is recommended that you do NOT wall-mount the ZyWALL. A wall-mounting kit is not included.

 

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ZyWALL USG 20/20W User’s Guide