ISDN Interfaces
RBSU/RBSS and TBSU Interface Units
Strata DK I&M 6/00
16-21
ISDN
Inte
rface
s
Figure 16-12 TBSU Switch Layout
Note
It is normal for sockets IC7 and IC8 to be empty.
Table 16-12 TBSU Option Switches, Jumpers, and Connectors
TBSU
Circuit
Option
Switch
Type
Circuit Type
Description
TE
NT
All
SW 1
Push-button
N/A
N/A
Resets firmware on all TBSU circuits. Drops calls off the
TBSU.
1
SW 100
Jumper
X
X
Causes the circuit
1
to operate as TE or NT.
1. Also requires Program *60 to set TE or NT.
1
SW 101
Slide
On
On
Switches a 100-ohm resistor in/out of the circuit.
2
SW 200
Jumper
X
X
Causes the circuit
2
to operate as TE or NT
1
.
2. SW2 is for factory use only
2
SW 201
Slide
On
On
Switches a 100-ohm resistor in/out of the circuit.
Switch
Type
Circuit
Description
Short
Cut (remove)
W2
Jumper
TBSU1A uses the internal
CPU ROM (IC20)
TBSU1A uses the external
ROM (IC6 and 7)
Future Use
SW2
Jumper
For factory loop back test.
Normal operation
Used for factory
inspection only. Do
not cut this jumper.
TBSU1A
3795
SW201
SW1
SW200
ON
OFF
ON
OFF
Cct2
Cct1
Cct2
Cct1
TB1 TB2
FS
LOS
TS
BSY
CD9
CD10
CD11
CD12
PFT contacts
Monitor
J1
SW101
100
SW100
NT TE
J3
SW2
Loop
Back
W2
IC7
IC6
CUT
ROM
CPU
SHORT
J2
Reset
NT TE
100
Summary of Contents for Strata AirLink DK40i
Page 22: ...Introduction Related Documents Media xx Strata DK I M 6 00 ...
Page 48: ...DK14 Installation DK14 Wiring Diagrams 1 26 Strata DK I M 6 00 ...
Page 220: ...DK424 Installation Remote Cabinet Installation Instructions 5 68 Strata DK I M 6 00 ...
Page 262: ...DK424i Configuration Primary Reserve Power Cabinet Hardware 6 42 Strata DK I M 6 00 ...
Page 450: ...Universal Slot PCB Wiring Option Interface PCB Wiring Diagrams 10 42 Strata DK I M 6 00 ...
Page 592: ...Peripheral Installation Enhanced 911 Service E911 12 84 Strata DK I M 6 00 ...
Page 616: ...ACD Installation Spectrum Electronic Wall Boards 13 24 Strata DK I M 6 00 ...
Page 634: ...Fault Finding Fault Isolation Flowcharts 14 18 Strata DK I M 6 00 ...
Page 704: ...ISDN Interfaces ISDN Disconnect Cause Code 16 54 Strata DK I M 6 00 ...