diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index a983027..e3092f9 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -386,6 +386,8 @@
 	struct gsm_e1_subslot rsl_e1_link;
 	u_int8_t rsl_tei;
 	struct e1inp_sign_link *rsl_link;
+	/* Some BTS (specifically Ericsson RBS) have a per-TRX OML Link */
+	struct e1inp_sign_link *oml_link;
 
 	struct gsm_nm_state nm_state;
 	struct tlv_parsed nm_attr;
diff --git a/openbsc/src/e1_config.c b/openbsc/src/e1_config.c
index db290cb..9e191ba 100644
--- a/openbsc/src/e1_config.c
+++ b/openbsc/src/e1_config.c
@@ -100,10 +100,19 @@
 	}
 	sign_ts = &line->ts[e1_link->e1_ts-1];
 	e1inp_ts_config(sign_ts, line, E1INP_TS_TYPE_SIGN);
+	/* Ericsson RBS have a per-TRX OML link in parallel to RSL */
 	if (trx->bts->type == GSM_BTS_TYPE_RBS2000) {
-		/* FIXME: where to put the reference of the per-TRX OML? */
-		e1inp_sign_link_create(sign_ts, E1INP_SIGN_OML, trx,
-					trx->rsl_tei, SAPI_OML);
+		struct e1inp_sign_link *oml_link;
+		oml_link = e1inp_sign_link_create(sign_ts, E1INP_SIGN_OML, trx,
+						  trx->rsl_tei, SAPI_OML);
+		if (!oml_link) {
+			LOGP(DINP, LOGL_ERROR, "TRX (%u/$u) OML link creation "
+				"failed\n", trx->bts->nr, trx->nr);
+			return -ENOMEM;
+		}
+		if (trx->oml_link)
+			e1inp_sign_link_destroy(trx->oml_link);
+		trx->oml_link = oml_link;
 	}
 	rsl_link = e1inp_sign_link_create(sign_ts, E1INP_SIGN_RSL,
 					  trx, trx->rsl_tei, SAPI_RSL);
diff --git a/openbsc/src/e1_input.c b/openbsc/src/e1_input.c
index 79c3a5a..b55fe2e 100644
--- a/openbsc/src/e1_input.c
+++ b/openbsc/src/e1_input.c
@@ -268,7 +268,12 @@
 		return -EINVAL;
 	}
 
-	sign_link = msg->trx->bts->oml_link;
+	/* Check for TRX-specific OML link first */
+	if (msg->trx->oml_link)
+		sign_link = msg->trx->oml_link;
+	else
+		sign_link = msg->trx->bts->oml_link;
+
 	e1i_ts = sign_link->ts;
 	if (!bsc_timer_pending(&e1i_ts->sign.tx_timer)) {
 		/* notify the driver we have something to write */