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Installing the VoIP Outdoor Intercom with Keypad

Intercom Setup

Operations Guide 930809M CyberData Corporation

2.4.5.1 Time Zone Strings

The posix time zone string tells the internal date and time utilities how to handle daylight savings

time for different time zones. Table 2-8 shows some common strings.

Time Zone Time Zone String

US Pacific time PST8PDT,M3.2.0/2:00:00,M11.1.0/2:00:00

US Mountain time MST7MDT,M3.2.0/2:00:00,M11.1.0/2:00:00

US Eastern Time EST5EDT,M3.2.0/2:00:00,M11.1.0/2:00:00

Phoenix Arizona

a.Phoenix, Arizona does not use daylight savings time.

MST7

US Central Time CST6DST,M3.2.0/2:00:00,M11.1.0/2:00:00

Ta b l e 2-9 shows a breakdown of the parts that constitute the following time zone string:

● CST6DST,M3.2.0/2:00:00,M11.1.0/2:00:00

Time Zone String

Part

Meaning

CST6CDT The time zone offset from GMT and three character identifiers for the time zone.

CST Central Standard Time

6 The (hour) offset from GMT/UTC

CDT

Central Daylight Time

M3.2.0/2:00:00 The date and time when daylight savings begins.

M3 The third month (March)

.2 The 2nd occurrence of the day (next item) in the month

.0 Sunday

/2:00:00

Time of day to change

M11.1.0/2:00:00 The date and time when daylight savings ends.

M11 The eleventh month (November)

.1 The 1st occurrence of the day (ne

xt item) in the month

.0 Sunday

/2:00:00 Time of day to change

Table 2-8. Common Time Zone Strings

Table 2-9. Time Zone String Parts

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 118 119

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