Meridian Link/Customer Controlled Routing Installation And Upgrade Manual page 299

Figure 81
Hardware configuration using a Gandalf LDS 120E limited-distance
modem
VME
multi-port
cable
¥
Null modem
adapter
DCE
Gandalf LDS 120E
Tx Rx
1
2 3
Twisted pairs
Figure 82
Gandalf LDS 120E limited-distance modemÑjumper option settings
TERM
T T
CST
CTR
Meridian Link Release 5C/CCR Release 3C Installation and Upgrade Guide
Chapter 11: Peripheral device cabling interface 281
DB25 straight cable
4
PHASE
A B
-dB +8dB
+13dB
Peripheral
device
¥
DCE
Gandalf LDS 120E
Tx Rx
1 2 3 4
2W 4W