b. Back-to-back test setup using direct digital interfaces
a. Back-to-back test setup using modems
RFL
9300
Direct
Digital
Interface
Module
RFL DCE
Emulator
(105880)
+5Vdc Com
Direct
Digital
Interface
Module
RFL 9300
RS-449
Cable
Assembly
RS-449
Cable
Assembly
c. Back-to-back test setup using fiber optic modules
RFL
9300
Fiber
Optic I/O
Module
TX
RX
RFL
9300
Fiber
Optic I/O
Module
RX
TX
Fiber
Fiber
RFL
9300
G.703
Module
2
4
9
11
RFL
9300
G.703
Module
4
2
11
9
RFL
9300
Modem
Module
1
2
3
4
RFL
9300
Modem
Module
3
4
1
2
RFL
9300
Short
Haul
Fiber
Interface
RFL DCE
Emulator
(105880)
+5Vdc Com
RFL
9300
Short
Haul
Fiber
Interface
Fiber
Service
Unit
Fiber
Service
Unit
Fiber
Fiber
RS-449
RS-449
To station battery
To station battery
d. Back-to-back test setup using SHFIs
e. Back-to-back test setup using G.703s
Figure 7-1. Back-to-back relay, test setups
RFL 9300 RFL Electronics Inc.
October 20, 2004 7 - 3 (973) 334-3100