德國HIRSCHMANN交換機
RS20-0800M2M2TDHEHC RS20-0800M2M2TDHPHC RS20-0800M2M2EDHEHC RS20-0800M2M2EDHPHC
RS20-0800M2M2SDBEHC RS20-0800M2M2SDBPHC RS20-0800M2M2TDBEHC RS20-0800M2M2TDBPHC
RS20-0800S2S2SDBEHC RS20-0800S2S2SDBPHC RS20-0800S2S2TDBEHC RS20-0800S2S2TDBPHC
RS20-0800S2S2EDBEHC RS20-0800S2S2EDBPHC RS20-0800T1T1SDAEHC RS20-0800T1T1SDAPHC
RS20-0800T1T1TDAEHC RS20-0800T1T1TDAPHC RS20-0800T1T1EDAEHC RS20-0800T1T1EDAPHC
RS20-0800T1T1SDHEHC RS20-0800T1T1SDHPHC RS20-0800T1T1TDHEHC RS20-0800T1T1TDHPHC
RS20-0800T1T1EDHEHC RS20-0800T1T1EDHPHC RS20-0800T1T1SDBEHC RS20-0800T1T1SDBPHC
RS20-1600S2S2SDBEHC RS20-1600S2S2SDBPHC RS20-1600S2S2TDBEHC RS20-1600S2S2TDBPHC