Instruction manual
Figures
Figure 2-1.
Figure 2-2.
Figure 2-3.
Figure 2-4.
Figure 2-5.
Figure 2-6.
Figure 2-7.
Figure 2-8.
Figure 2-9.
Figure 2-10.
Figure 2-11.
Figure 2-12.
Figure 2-13.
Figure 2-14.
Figure 2-15.
Figure 2-16.
Figure 2-17.
Figure 2-18.
Figure 2-19.
Figure 2-20.
Figure 2-21.
Figure 2-22.
Figure 2-23.
Figure 2-24.
Figure 2-25.
Typical Direct Trunk Attendant Console Position
2-19
Direct Trunk Attendant Console Connections 2-23
Typical Switched Loop Attendant Console Position
2-24
Buttons and Display of BIS-34D
2-30
Switched Loop Attendant Console Connections 2-33
Model 23A1 Attendant Direct Extension Selector Console 2-35
Attendant Direct Extension Selector Console Connections 2-38
Automatic Route Selection Flow Chart 2-64
Automatic Route Selection Routing Pattern
2-66
Typical Bridging Arrangement
2-67
Call Accounting System-On-Premises Direct Connections
(Sharing Same AC Outlet)
2-79
Call Accounting System-On-Premises Direct Connections
(Greater Than 50 Feet From System Cabinet or Not Sharing
Same AC Outlet)
2-80
Communications Access Manager Architecture 2-102
Direct DS1 Connection Between Adjacent System 25 Cabinets 2-124
Direct DS1 Connection Between System 25 Cabinets (Located
1310 Feet Apart, Maximum)
2-125
System 25 Connection to DS1 Facility Located 4310 Feet
(Maximum) Away
2-125
System 25 Connection to DS1 Facility Located 4311 Feet or More
Away
2-126
System 25 Connection to DS1 Facility (Off-Premises Cabling) 2-126
System 25 Connection to DS1 Facility (Non-Metallic Transmission
Interface)
2-127
System 25 Connection to DS1 551 CSU
2-127
Asynchronous Data Unit Interface Signals
2-130
Dictation System Connections (FCC Registered) 2-144
Digital Tape Unit
2-145
Digital Tape Unit-On-Premises Direct Connections (Sharing
Same AC Outlet)
2-146
Delay Announcement Equipment Connections (FCC Registered) 2-151
-vi-
November 1995