Instruction manual
FEATURES AND SERVICES
The items to administered under System include (default):
● Assign Primary Synchronization Source (No slot)
● Enable Automatic Synchronization Source Switching (enabled)
Hardware Requirements
Requires a TN767 CP plus ZTN131. The TN767 CP provides 24 ports.
DS1 Interface Connection Information
Detailed connection information is provided in the following figures:
● Figure 2-14—
Direct DS1 Connection Between Adjacent System 25 Cabinets
● Figure 2-15—
Direct DS1 Connection Between System 25 Cabinets (Located 1310
Feet Apart, Maximum)
● Figure 2-16— System 25 Connection to DS1 Facility Located 4310 Feet (Maximum)
Away
● Figure 2-17
—System 25 Connection to
● Figure 2-18—System 25 Connection to
● Figure 2-19
—System 25 Connection
Interface)
● Figure 2-20—System 25 Connection to
DS1 Facility Located 4311 Feet or More Away
DS1 Facility (Off-Premises Cabling)
to DS1 Facility (Non-Metallic Transmission
DS1 551 CSU
SYSTEM 25
TN767
OCTOPUS
. CABLE
OCTOPUS
CABLE
<
>
LEG 8
LEG 8
SYSTEM 25
TN767
Figure 2-14. Direct DS1 Connection Between Adjacent System 25 Cabinets
2-124