Datasheet

-18 Cisco IGX 8400 Series Installation and Configuration, Release 9.3.0
HDM EIA/TIA-449/422 Port Pin Assignments
Table C-28 contains a listing of IGX EIA/TIA-449/422 port pin assignments. A standard
EIA/TIA-449 cable is used for this application unless the interface is X.21.
Table C-28 HDM EIA/TIA-449/422 Port Pin Assignments
See Table C-29 and Table C-30 for Wire Lists for adapter cables for X.21 application. This adapter
cable is available in two models: one is used when the HDM/SDI card set operates as a DCE and the
other when the HDM/SDI operates as a DTE. It has a male DB-37 on the IGX end and a female
DB-15 (DCE) or male DB-15 (DTE) on the user-end.
Pin No. IGX Name EIA Name Source Description
1 Both Shield Ground
2 SI SI DCE Signaling Rate Indicator (to DTE)
3 Spare
4/22 TxD SD DTE Transmit Data from DTE
5/23 TxC ST DCE Transmitter Clock
6/24 RxD RD DCE Received Data to DTE
7/25 RTS RS DTE Request to Send
8/26 RxC RT DCE Receiver Clock
9/27 CTS CS DCE Clear to Send
10 LL LL DTE Local Loopback
11/29 DSR DM DCE Data Set Ready
12/30 DTR TR DTE Data Terminal Ready
13/31 DCD RR DCE Data Carrier Detect (RLSD)
14 RL RL DTE Remote Loopback
15 RI IC DCE Ring Indicator
16 SF SF DTE Signal Rate Select (to DCE)
17/35 XTC TT DTE External Transmitter Clock
18 TM TM DTE Test Mode
19 SG Both Signal Ground
20 RC DCE Receive Common
21 Spare
28 BSY IS DTE Busy (in service)
32 SS SS DTE Select Standby
33 SQ SQ DCE Signal Quality Detect
34 NS NS DTE New Synchronization
36 SB SB DCE Standby Indicator
37 SC DTE Send Common