Datasheet

-22 Cisco IGX 8400 Series Installation and Configuration, Release 9.3.0
Table C-33 Wiring List, DB-15 to DB-25 Adapter Cable (LDI as DTE)
1
Note Two adapter cables are available for the LDI card. The choice of cable determines whether
the LDI card functions as a DCE or as a DTE. These can be ordered from Cisco Systems or made
by the customer. Make sure the correct cable is used for the type of user device connected.
DB-15 Pin No.
(LDI) IGX Name
DB-25 Pin No.
(User) Description
1 Frm. Gnd. 1 Frame Ground
2 RxD 3 Received Data to DTE
3 RTS 4 Request to Send
4 TxD 2 Transmit Data from DTE
5 CTS 5 Clear to Send
6 XTC 24 External Transmit Clock
7 RxC 17 Receive Clock
8 SG 7 Signal Ground
9 DTR 20 Data Terminal Ready
10 DSR 6 Data Set Ready
11 +VS 9 +12V test voltage
2
12 –VS 10 –12V test voltage
2
13 DCD 8 Data Carrier Detect (RLSD)
14 RL 21 Remote Loop output
15 MOD n.c. Connects internally to DB-15-8
(3) LL 18 Local Loop output
3
1. You can order this cable in lengths of 10 ft., 25 ft., 50 ft., 75 ft., and 100 ft. The Cisco model number is
CAB-5626E-xx, where xx is the length, as follows: 10=10 ft.; 25=25 ft.; 50=50 ft.; 75=75 ft., and 00=100 ft.
2. You can use one of these pins to force a control pin to stay high or low.
3. No LDI local loop output is available. Try using DTR output: DB-15-9.