diff --git a/contrib/etc_default/osmo-remsim-client-0 b/contrib/etc_default/osmo-remsim-client-0
index 8b70721..11f02ad 100644
--- a/contrib/etc_default/osmo-remsim-client-0
+++ b/contrib/etc_default/osmo-remsim-client-0
@@ -4,3 +4,4 @@
 REMSIM_I="0"
 REMSIM_H="2-1.1"
 REMSIM_c="0"
+REMSIM_n="0"
diff --git a/contrib/etc_default/osmo-remsim-client-1 b/contrib/etc_default/osmo-remsim-client-1
index 519dcb4..99d1da8 100644
--- a/contrib/etc_default/osmo-remsim-client-1
+++ b/contrib/etc_default/osmo-remsim-client-1
@@ -4,3 +4,4 @@
 REMSIM_I="1"
 REMSIM_H="2-1.1"
 REMSIM_c="0"
+REMSIM_n="1"
diff --git a/contrib/etc_default/osmo-remsim-client-2 b/contrib/etc_default/osmo-remsim-client-2
index 3f66289..c705df0 100644
--- a/contrib/etc_default/osmo-remsim-client-2
+++ b/contrib/etc_default/osmo-remsim-client-2
@@ -4,3 +4,4 @@
 REMSIM_I="0"
 REMSIM_H="2-1.4"
 REMSIM_c="0"
+REMSIM_n="2"
diff --git a/contrib/etc_default/osmo-remsim-client-3 b/contrib/etc_default/osmo-remsim-client-3
index 149af2b..da48eaa 100644
--- a/contrib/etc_default/osmo-remsim-client-3
+++ b/contrib/etc_default/osmo-remsim-client-3
@@ -4,3 +4,4 @@
 REMSIM_I="1"
 REMSIM_H="2-1.4"
 REMSIM_c="0"
+REMSIM_n="3"
diff --git a/contrib/systemd/osmo-remsim-client@.service b/contrib/systemd/osmo-remsim-client@.service
index 738ae4a..130f289 100644
--- a/contrib/systemd/osmo-remsim-client@.service
+++ b/contrib/systemd/osmo-remsim-client@.service
@@ -6,7 +6,7 @@
 Restart=always
 EnvironmentFile=/etc/default/osmo-remsim-client
 EnvironmentFile=/etc/default/osmo-remsim-client-%i
-ExecStart=/usr/bin/osmo-remsim-client-st2 $GLOBAL_CLIENT_OPTS -I $REMSIM_I -H $REMSIM_H -c $REMSIM_c
+ExecStart=/usr/bin/osmo-remsim-client-st2 $GLOBAL_CLIENT_OPTS -I $REMSIM_I -H $REMSIM_H -c $REMSIM_c -n $REMSIM_n
 RestartSec=2
 
 [Install]
diff --git a/doc/manuals/chapters/remsim-bankd.adoc b/doc/manuals/chapters/remsim-bankd.adoc
index be9b2c0..d35056b 100644
--- a/doc/manuals/chapters/remsim-bankd.adoc
+++ b/doc/manuals/chapters/remsim-bankd.adoc
@@ -85,6 +85,16 @@
   Specify the local TCP port to whicc the socket for incoming connections
   from `osmo-remsim-client`s is bound to.
 
+==== Examples
+.remsim-server is on 10.2.3.4, cardreader has 5 slots:
+----
+osmo-remsim-bankd -i 10.2.3.4 -n 5
+----
+.remsim-server is on 10.2.3.4, cardreader has 4 slots, local ip is 10.5.4.3
+----
+osmo-remsim-bankd -i 10.2.3.4 -n 4 -I 10.5.4.3
+----
+
 === Logging
 
 `osmo-remsim-bankd` currently logs to stdout only, and the logging
diff --git a/doc/manuals/chapters/remsim-client.adoc b/doc/manuals/chapters/remsim-client.adoc
index 0526dbb..8f90a1a 100644
--- a/doc/manuals/chapters/remsim-client.adoc
+++ b/doc/manuals/chapters/remsim-client.adoc
@@ -83,6 +83,15 @@
   and will later be overridden by the ATR as specified by
   `osmo-remsim-bankd` once a card has been mapped to this client.
 
+==== Examples
+.remsim-server is on 10.2.3.4, sysmoQMOD on usb bus, all 4 modems:
+----
+osmo-remsim-client-st2 -s 10.2.3.4 -V 1d50 -P 4004 -C 1 -I 0 -H 2-1.1 -c 0 -n 0
+osmo-remsim-client-st2 -s 10.2.3.4 -V 1d50 -P 4004 -C 1 -I 1 -H 2-1.1 -c 0 -n 1
+osmo-remsim-client-st2 -s 10.2.3.4 -V 1d50 -P 4004 -C 1 -I 0 -H 2-1.4 -c 0 -n 2
+osmo-remsim-client-st2 -s 10.2.3.4 -V 1d50 -P 4004 -C 1 -I 1 -H 2-1.4 -c 0 -n 3
+----
+
 === Logging
 
 `osmo-remsim-client` currently logs to stdout only, and the logging