PF 端口

在 IP400 模拟中继扩展模块的背面可找到这些端口。它们是模拟分机端口，在 IP Office 系统发生电源故障时，它们可与模拟环路启动中继一起使用。

依据适当的国家和当地规章要求，连接到这些端口的所有电话应清楚地标记为电源故障分机。

PF	引脚	说明
	1	未使用。
	2	引脚 2 通过振铃电容在内部连接到引脚 5。
	3	未使用。
	4	负极。
	5	正极。
	6	引脚 6 通过振铃电容在内部连接到引脚 5。
	7	未使用。
	8	未使用。

•	电线最低规格： AWG 26。

•

电缆最大长度：

•	AWG26： 500m / 1640'。

•	AWG24、AWG22： 1000m / 3280'。

© 2010 Avaya LLC
15-601042 CHS Issue 21.e.-
14:06, 30 March 2010
(pf_port.htm)

Performance figures, data and operation quoted in this document are typical and must be specifically confirmed in writing by Avaya before they become applicable to any particular order or contract. The company reserves the right to make alterations or amendments at its own discretion. The publication of information in this document does not imply freedom from patent or any other protective rights of Avaya or others.

All trademarks identified by (R) or TM are registered trademarks or trademarks respectively of Avaya LLC. All other trademarks are the property of their respective owners.

Last Modified: 10/03/2010