Lucent Technologies WaveStar OLS 40G, Installation Manual

Page: 173 / 578

Issue 1.0 March 2001
5-17
365-575-389
Installation Manual Wired Cable Installation
Serial, Parallel, and X.25 Telemetry
Cable Installation (Continued)
X.25 (TL-1)
Telemetry Cable
Installation
(continued) X.25 Telemetry Cable Connection
Table 5-8 lists the X.25 telemetry cable connection to the interconnection panel for
OLS.
Table 5-8. X.25 Telemetry Cable Connection to Interconnection Panel
Table 5-9 lists pin connections for the X.25 cable (EIA-232D). For more
information about the TL1 interface, refer to Lucent Technologies 365-575-385,
Optical Line System (OLS) Operations Systems Engineering Guide.
Table 5-9. TL1/X.25 Interface — EIA-232D Pin Connections
(Continued on next page)
System Cable Application
Interconnection
Panel Location
OLS X.25 J18
Pin Description
1 Protective Ground (Shield)
2 Transmitted Data
3 Received Data
4 Request to Send (RTS)
*
5 Clear to Send (CTS)
**
6 DSR Data Set Ready
7 Signal Ground
8 Received Line Signal Detector
15 Transmitter Signal Element Timing (DCE to DTE)
17 Receiver Signal Element Timing (DCE to DTE)
20 DTR Data Terminal Ready
*
* RTS and DTR are always on when OLS is powered.
** OLS will only transmit data via X.25 when CTS is on.