User's Manual

ZyWALL USG 20/20W User’s Guide
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CHAPTER 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.
This table provides hardware specifications.
It is recommended that you do NOT wall-mount the ZyWALL. A
wall-mounting kit is not included.
Table 228 Default Login Information
ATTRIBUTE SPECIFICATION
Default IP Address
(P2, P3)
192.168.1.1
Default Subnet Mask
(P2, P3)
255.255.255.0 (24 bits)
Default Password 1234
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
(3G)
See www.zyxel.com for the supported 3G cards.
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.