Symmetricom SDU-2000, Руководство пользователя

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Hardware Configuration Guide
SSU-2000 Configuration Chart
234 SSU-2000 User’s Guide 12713020-002-2 Revision D – April 2004
5. Stratum 3E Clock
Module 23413015-000-0 Minimum of one Clock module per system
(item 4, 5, or 6).
Redundant configuration with automatic
switching in case of clock failure requires
two Clock modules.
The system will operate with 2E/3E clocks
combined. 2E clock must be installed in
chassis slot A1.
6. Type I Clock Module 23413015-001-0 Minimum of one Clock module per system
(item 4, 5, or 6).
Redundant configuration with automatic
switching in case of clock failure requires
two Clock modules.
Communications Module
7. Communications
Module 23413012-000-0 One required per SSU-2000 system.
Input Modules, I/O Adapter Panels and Input Cabling
8. 3-Port DS1 Input
Module 23413013-002-0 1. Accepts up to 3 DS1 or Clock signals.
2. Requires use of 3-Port I/O adapter (one
per 3-Port Input module).
9. 1-Port DS1 Input
Module 23413013-001-0 1. Accepts one DS1 or Clock signal.
2. Requires use of 4-Port I/O Adapter (one
adapter can handle up to four 1-port
DS1 or ES1 Input modules).
10. 3-Port E1 Input Module 23413014-002-0 1. Any combination of three G.703/9,
G.703/13, or Clock inputs.
2. Requires use of 3-Port I/O adapter (one
per input module in system.
11. 1-Port E1 Input Module 23413014-001-0 Requires use of 4-Port I/O Adapter (one
adapter serves up to four 1-Port Input
modules).
12. GPS Input Module 23413019-000-0 1. Supports NTP provided by the
Communications module.
2. Time-of-day provided by the Radio.
13. CC Input Module 23413279-000-0 1. Accepts one Composite Clock signal.
2. Requires use of 133
Ω
Input adapter
panel.
Table 9-3. SSU-2000 System Components (Continued)
Item Description Part Number Notes