With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
esconLinkEntry
escon Link Entry
1.3.6.1.4.1.2.6.119.4.14.2.1.1
Table of objects that describe an ESCON channel link. This table is indexed by ifIndex from MIB-II, by host link address, and by (host) partition number.
Back to ibm-ibmescon MIB page.
IPHost Network monitor allows you to monitor esconLinkEntry on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM switches right now.